{"id":43821,"date":"2019-11-25T14:11:35","date_gmt":"2019-11-25T12:11:35","guid":{"rendered":"https:\/\/omathimatikos.gr\/?p=43821"},"modified":"2019-11-25T10:23:03","modified_gmt":"2019-11-25T08:23:03","slug":"pisa-%ce%b3%ce%b9%ce%b1%cf%84%ce%af-%ce%bf%ce%b9-%ce%b5%cf%80%ce%b9%ce%b4%cf%8c%cf%83%ce%b5%ce%b9%cf%82-%cf%84%cf%89%ce%bd-%ce%b5%ce%bb%ce%bb%ce%ae%ce%bd%cf%89%ce%bd-%ce%bc%ce%b1%ce%b8%ce%b7%cf%84","status":"publish","type":"post","link":"https:\/\/omathimatikos.gr\/?p=43821","title":{"rendered":"PISA : \u0393\u03b9\u03b1\u03c4\u03af \u03bf\u03b9 \u03b5\u03c0\u03b9\u03b4\u03cc\u03c3\u03b5\u03b9\u03c2 \u03c4\u03c9\u03bd \u0395\u03bb\u03bb\u03ae\u03bd\u03c9\u03bd \u03bc\u03b1\u03b8\u03b7\u03c4\u03ce\u03bd \u03b5\u03af\u03bd\u03b1\u03b9 \u03b4\u03b9\u03b1\u03c7\u03c1\u03bf\u03bd\u03b9\u03ba\u03ac \u03ba\u03b1\u03ba\u03ad\u03c2;"},"content":{"rendered":"<h3><!--more--><\/h3>\n<header class=\"entry-header\">\n<div class=\"row\">\n<div class=\"small-12 columns\">\n<blockquote>\n<h3>\u0393\u03b9\u03b1\u03c4\u03af \u03bf\u03b9 \u03b5\u03c0\u03b9\u03b4\u03cc\u03c3\u03b5\u03b9\u03c2 \u03c4\u03bf\u03c5\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b4\u03b9\u03b1\u03c7\u03c1\u03bf\u03bd\u03b9\u03ba\u03ac \u03ba\u03b1\u03ba\u03ad\u03c2; \u039c\u03b9\u03b1 \u03bb\u03b5\u03c0\u03c4\u03bf\u03bc\u03b5\u03c1\u03ae\u03c2 \u03c0\u03b1\u03c1\u03bf\u03c5\u03c3\u03af\u03b1\u03c3\u03b7 \u03ba\u03b1\u03b9 \u03b5\u03c0\u03b5\u03be\u03b5\u03c1\u03b3\u03b1\u03c3\u03af\u03b1 \u03c4\u03c9\u03bd \u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03b5\u03c3\u03bc\u03ac\u03c4\u03c9\u03bd \u03c4\u03b7\u03c2 \u03bc\u03b5\u03b3\u03ac\u03bb\u03b7\u03c2, \u03b4\u03b9\u03b5\u03b8\u03bd\u03bf\u03cd\u03c2 \u03b5\u03ba\u03c0\u03b1\u03b9\u03b4\u03b5\u03c5\u03c4\u03b9\u03ba\u03ae\u03c2 \u03ad\u03c1\u03b5\u03c5\u03bd\u03b1\u03c2 \u03c4\u03bf\u03c5 \u039f\u039f\u03a3\u0391 \u03b4\u03af\u03bd\u03b5\u03b9 \u03c3\u03b7\u03bc\u03b1\u03bd\u03c4\u03b9\u03ba\u03ad\u03c2 \u03b1\u03c0\u03b1\u03bd\u03c4\u03ae\u03c3\u03b5\u03b9\u03c2.<\/h3>\n<\/blockquote>\n<div class=\"entry-meta\">\n<div class=\"entry-author \" style=\"text-align: right;\"><em><strong>\u0398\u039f\u0394\u03a9\u03a1\u0397\u03a3 \u0393\u0395\u03a9\u03a1\u0393\u0391\u039a\u039f\u03a0\u039f\u03a5\u039b\u039f\u03a3<\/strong><\/em><\/div>\n<\/div>\n<div class=\"share-buttons\">\n<div class=\"sharedaddy sd-sharing-enabled\">\n<div class=\"robots-nocontent sd-block sd-social sd-social-icon-text sd-sharing\">\n<div class=\"sd-content\">\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/header>\n<div class=\"content-small-row clearfix\">\n<div class=\"entry-content small-12 columns\">\n<p><span class=\"dropcap\">\u039a<\/span>\u03ac\u03b8\u03b5 \u03c4\u03c1\u03af\u03b1 \u03c7\u03c1\u03cc\u03bd\u03b9\u03b1, \u03cc\u03c4\u03b1\u03bd \u03b1\u03bd\u03b1\u03ba\u03bf\u03b9\u03bd\u03ce\u03bd\u03bf\u03bd\u03c4\u03b1\u03b9 \u03c4\u03b1 \u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03ad\u03c3\u03bc\u03b1\u03c4\u03b1 \u03c4\u03bf\u03c5 \u03b4\u03b9\u03b5\u03b8\u03bd\u03bf\u03cd\u03c2 \u03c0\u03c1\u03bf\u03b3\u03c1\u03ac\u03bc\u03bc\u03b1\u03c4\u03bf\u03c2\u00a0<strong>PISA<\/strong>, \u03bc\u03b9\u03b1\u03c2\u00a0<strong>\u03bc\u03b5\u03b3\u03ac\u03bb\u03b7\u03c2 \u03ad\u03c1\u03b5\u03c5\u03bd\u03b1\u03c2 \u03c0\u03bf\u03c5 \u03ba\u03ac\u03bd\u03b5\u03b9 \u03bf \u039f\u039f\u03a3\u0391 \u03c3\u03b5 15\u03c7\u03c1\u03bf\u03bd\u03bf\u03c5\u03c2 \u03bc\u03b1\u03b8\u03b7\u03c4\u03ad\u03c2 \u03b1\u03c0\u03cc \u03c4\u03b1 \u03ba\u03c1\u03ac\u03c4\u03b7-\u03bc\u03ad\u03bb\u03b7 \u03c4\u03bf\u03c5 \u03ba\u03b1\u03b9 \u03b1\u03c0\u03cc \u03b4\u03b5\u03ba\u03ac\u03b4\u03b5\u03c2 \u03ac\u03bb\u03bb\u03b5\u03c2 \u03c7\u03ce\u03c1\u03b5\u03c2<\/strong>, \u03b5\u03bc\u03c6\u03b1\u03bd\u03af\u03b6\u03bf\u03bd\u03c4\u03b1\u03b9 \u03bf\u03b9 \u03af\u03b4\u03b9\u03bf\u03b9 \u03c4\u03af\u03c4\u03bb\u03bf\u03b9 \u03c3\u03c4\u03b9\u03c2 \u03b5\u03b9\u03b4\u03ae\u03c3\u03b5\u03b9\u03c2, \u03c4\u03bf \u03af\u03b4\u03b9\u03bf \u03c1\u03b5\u03c0\u03bf\u03c1\u03c4\u03ac\u03b6. \u03a3\u03b5 \u03b1\u03c5\u03c4\u03ae \u03c4\u03b7\u03bd \u03c0\u03b1\u03b3\u03ba\u03cc\u03c3\u03bc\u03b9\u03b1 \u03b1\u03be\u03b9\u03bf\u03bb\u03cc\u03b3\u03b7\u03c3\u03b7 \u03c4\u03c9\u03bd \u03bc\u03b1\u03b8\u03b7\u03c4\u03ce\u03bd \u03bc\u03b5 \u03ba\u03bf\u03b9\u03bd\u03ac \u03b8\u03ad\u03bc\u03b1\u03c4\u03b1 \u03ba\u03b1\u03b9 \u03ba\u03bf\u03b9\u03bd\u03ae \u03bc\u03b5\u03b8\u03bf\u03b4\u03bf\u03bb\u03bf\u03b3\u03af\u03b1 (\u03c3\u03c4\u03b1 \u03bc\u03b1\u03b8\u03b7\u03bc\u03b1\u03c4\u03b9\u03ba\u03ac, \u03c4\u03b7\u03bd \u03ba\u03b1\u03c4\u03b1\u03bd\u03cc\u03b7\u03c3\u03b7 \u03ba\u03b5\u03b9\u03bc\u03ad\u03bd\u03bf\u03c5, \u03c4\u03b9\u03c2 \u03c6\u03c5\u03c3\u03b9\u03ba\u03ad\u03c2 \u03b5\u03c0\u03b9\u03c3\u03c4\u03ae\u03bc\u03b5\u03c2 \u03ba\u03b1\u03b9 \u03ac\u03bb\u03bb\u03b1 \u03b8\u03ad\u03bc\u03b1\u03c4\u03b1), \u03bf\u03b9 \u0388\u03bb\u03bb\u03b7\u03bd\u03b5\u03c2 \u03bc\u03b1\u03b8\u03b7\u03c4\u03ad\u03c2 \u03b4\u03b5\u03bd \u03c4\u03b1 \u03c0\u03b7\u03b3\u03b1\u03af\u03bd\u03bf\u03c5\u03bd \u03ba\u03b1\u03bb\u03ac. \u0391\u03c0\u03cc \u03c4\u03bf 2000 \u03c0\u03bf\u03c5 \u03be\u03b5\u03ba\u03af\u03bd\u03b7\u03c3\u03b5 \u03bf \u03b8\u03b5\u03c3\u03bc\u03cc\u03c2 \u03ba\u03b1\u03b9 \u03c3\u03c5\u03bc\u03bc\u03b5\u03c4\u03ad\u03c7\u03b5\u03b9 \u03b7 \u03c7\u03ce\u03c1\u03b1 \u03bc\u03b1\u03c2, \u03c0\u03bf\u03bb\u03bb\u03bf\u03af \u03b1\u03c0\u03cc \u03c4\u03bf\u03c5\u03c2 \u03bc\u03b1\u03b8\u03b7\u03c4\u03ad\u03c2 \u03bc\u03b1\u03c2 \u03c3\u03c4\u03b1\u03b8\u03b5\u03c1\u03ac \u03c0\u03b1\u03af\u03c1\u03bd\u03bf\u03c5\u03bd \u03b2\u03b1\u03b8\u03bc\u03bf\u03cd\u03c2 \u201c\u03ba\u03ac\u03c4\u03c9 \u03b1\u03c0\u03cc \u03c4\u03b7 \u03b2\u03ac\u03c3\u03b7\u201d \u03c3\u03b5 \u03cc\u03bb\u03b1 \u03c4\u03b1 \u03b8\u03ad\u03bc\u03b1\u03c4\u03b1, \u03ba\u03b1\u03b9 \u03c4\u03b1 \u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03ad\u03c3\u03bc\u03b1\u03c4\u03ac \u03c4\u03bf\u03c5\u03c2 \u03c5\u03c0\u03bf\u03bb\u03b5\u03af\u03c0\u03bf\u03bd\u03c4\u03b1\u03b9 \u03c4\u03c9\u03bd \u03bc\u03b1\u03b8\u03b7\u03c4\u03ce\u03bd \u03c3\u03c7\u03b5\u03b4\u03cc\u03bd \u03cc\u03bb\u03c9\u03bd \u03c4\u03c9\u03bd \u03ac\u03bb\u03bb\u03c9\u03bd \u03ba\u03c1\u03b1\u03c4\u03ce\u03bd-\u03bc\u03b5\u03bb\u03ce\u03bd \u03c4\u03b7\u03c2 \u0395.\u0395. \u03ba\u03b1\u03b9 \u03c4\u03bf\u03c5 \u039f\u039f\u03a3\u0391. \u03a3\u03c4\u03b9\u03c2 3 \u0394\u03b5\u03ba\u03b5\u03bc\u03b2\u03c1\u03af\u03bf\u03c5 \u03c4\u03bf\u03c5 2019, \u03cc\u03c4\u03b1\u03bd \u03b8\u03b1 \u03b1\u03bd\u03b1\u03ba\u03bf\u03b9\u03bd\u03c9\u03b8\u03bf\u03cd\u03bd \u03ba\u03b1\u03b9 \u03b5\u03c0\u03b9\u03c3\u03ae\u03bc\u03c9\u03c2 \u03c4\u03b1 \u03c0\u03c1\u03ce\u03c4\u03b1 \u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03ad\u03c3\u03bc\u03b1\u03c4\u03b1 \u03c4\u03b7\u03c2 \u03ad\u03c1\u03b5\u03c5\u03bd\u03b1\u03c2 \u03c4\u03bf\u03c5 2018, \u03b1\u03bd\u03b1\u03bc\u03ad\u03bd\u03b5\u03c4\u03b1\u03b9 \u03bd\u03b1 \u03c3\u03c5\u03bc\u03b2\u03b5\u03af \u03c4\u03bf \u03af\u03b4\u03b9\u03bf.<\/p>\n<p class=\"side-link side-link--left\"><a href=\"https:\/\/www.dianeosis.org\/wp-content\/uploads\/2019\/11\/final_pisa2015.pdf\" target=\"_blank\" rel=\"noopener noreferrer\"><span class=\"circle-for-icon\"><span class=\"icon-download-simple\">\u00ad<\/span><\/span><br \/>\n\u039a\u03b1\u03c4\u03b5\u03b2\u03ac\u03c3\u03c4\u03b5 \u03bf\u03bb\u03cc\u03ba\u03bb\u03b7\u03c1\u03b7 \u03c4\u03b7\u03bd \u03b1\u03bd\u03ac\u03bb\u03c5\u03c3\u03b7 \u03c4\u03c9\u03bd \u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03b5\u03c3\u03bc\u03ac\u03c4\u03c9\u03bd \u03b5\u03b4\u03ce<\/a><\/p>\n<p>\u0391\u03c5\u03c4\u03cc \u03c0\u03bf\u03c5 \u03b4\u03b5\u03bd \u03b5\u03af\u03bd\u03b1\u03b9 \u03b5\u03be\u03af\u03c3\u03bf\u03c5 \u03b3\u03bd\u03c9\u03c3\u03c4\u03cc, \u03cc\u03bc\u03c9\u03c2, \u03b5\u03af\u03bd\u03b1\u03b9 \u03c4\u03bf \u03cc\u03c4\u03b9 \u03b7 \u03c3\u03c5\u03b3\u03ba\u03b5\u03ba\u03c1\u03b9\u03bc\u03ad\u03bd\u03b7 \u03ad\u03c1\u03b5\u03c5\u03bd\u03b1, \u03b5\u03ba\u03c4\u03cc\u03c2 \u03b1\u03c0\u03cc \u03c4\u03b7\u03bd \u03b1\u03be\u03b9\u03bf\u03bb\u03cc\u03b3\u03b7\u03c3\u03b7 \u03c4\u03c9\u03bd \u03c0\u03b1\u03b9\u03b4\u03b9\u03ce\u03bd \u03c0\u03ac\u03bd\u03c9 \u03c3\u03b5 \u03b1\u03c5\u03c4\u03ac \u03c4\u03b1 \u03b3\u03bd\u03c9\u03c3\u03c4\u03b9\u03ba\u03ac \u03b1\u03bd\u03c4\u03b9\u03ba\u03b5\u03af\u03bc\u03b5\u03bd\u03b1, \u03c0\u03b5\u03c1\u03b9\u03ad\u03c7\u03b5\u03b9 \u03ba\u03b1\u03b9 \u03ac\u03bb\u03bb\u03b1 \u03c0\u03c1\u03ac\u03b3\u03bc\u03b1\u03c4\u03b1. \u03a3\u03c5\u03b3\u03ba\u03b5\u03ba\u03c1\u03b9\u03bc\u03ad\u03bd\u03b1, \u03bf\u03b9 \u03bc\u03b1\u03b8\u03b7\u03c4\u03ad\u03c2 \u03c0\u03bf\u03c5 \u03c3\u03c5\u03bc\u03bc\u03b5\u03c4\u03ad\u03c7\u03bf\u03c5\u03bd (<strong>\u03c0\u03b5\u03c1\u03af\u03c0\u03bf\u03c5 5.500 15\u03c7\u03c1\u03bf\u03bd\u03bf\u03b9 \u03b1\u03c0\u03cc \u03cc\u03bb\u03b7 \u03c4\u03b7\u03bd \u0395\u03bb\u03bb\u03ac\u03b4\u03b1<\/strong>, \u03b1\u03bd\u03c4\u03b9\u03c0\u03c1\u03bf\u03c3\u03c9\u03c0\u03b5\u03c5\u03c4\u03b9\u03ba\u03cc \u03c0\u03b1\u03bd\u03b5\u03bb\u03bb\u03b1\u03b4\u03b9\u03ba\u03cc \u03b4\u03b5\u03af\u03b3\u03bc\u03b1) \u03b1\u03c0\u03b1\u03bd\u03c4\u03bf\u03cd\u03bd \u03ba\u03b1\u03b9 \u03c3\u03b5 \u03ad\u03bd\u03b1\u00a0<a href=\"https:\/\/www.dianeosis.org\/wp-content\/uploads\/2019\/11\/Erotimatologio-Mathites-Geniko.pdf\" target=\"_blank\" rel=\"noopener noreferrer\">\u03b1\u03bd\u03b1\u03bb\u03c5\u03c4\u03b9\u03ba\u03cc \u03b5\u03c1\u03c9\u03c4\u03b7\u03bc\u03b1\u03c4\u03bf\u03bb\u03cc\u03b3\u03b9\u03bf<\/a>\u00a0(PDF) \u03c0\u03bf\u03c5 \u03b1\u03c6\u03bf\u03c1\u03ac \u03c4\u03bf\u03c5\u03c2 \u03af\u03b4\u03b9\u03bf\u03c5\u03c2, \u03c4\u03b9\u03c2 \u03b6\u03c9\u03ad\u03c2 \u03c4\u03bf\u03c5\u03c2 \u03ba\u03b1\u03b9 \u03c4\u03b7\u03bd \u03b5\u03bc\u03c0\u03b5\u03b9\u03c1\u03af\u03b1 \u03c4\u03bf\u03c5\u03c2 \u03c3\u03c4\u03bf \u03c3\u03c7\u03bf\u03bb\u03b5\u03af\u03bf. \u0391\u03c0\u03b1\u03bd\u03c4\u03bf\u03cd\u03bd \u03c3\u03b5 \u03b5\u03c1\u03c9\u03c4\u03ae\u03c3\u03b5\u03b9\u03c2 \u03b3\u03b9\u03b1 \u03c4\u03bf \u03c0\u03cc\u03c3\u03b1 \u03b2\u03b9\u03b2\u03bb\u03af\u03b1 \u03c5\u03c0\u03ac\u03c1\u03c7\u03bf\u03c5\u03bd \u03c3\u03c4\u03bf \u03c3\u03c0\u03af\u03c4\u03b9 \u03c4\u03bf\u03c5\u03c2, \u03c4\u03bf \u03b1\u03bd \u03c4\u03c1\u03ce\u03bd\u03b5 \u03c0\u03c1\u03c9\u03b9\u03bd\u03cc, \u03c4\u03b7 \u03b2\u03b1\u03b8\u03bc\u03af\u03b4\u03b1 \u03b5\u03ba\u03c0\u03b1\u03af\u03b4\u03b5\u03c5\u03c3\u03b7\u03c2 \u03c3\u03c4\u03b7\u03bd \u03bf\u03c0\u03bf\u03af\u03b1 \u03ad\u03c6\u03c4\u03b1\u03c3\u03b1\u03bd \u03bf\u03b9 \u03b3\u03bf\u03bd\u03b5\u03af\u03c2 \u03c4\u03bf\u03c5\u03c2, \u03c4\u03bf \u03b1\u03bd \u03c0\u03b1\u03af\u03b6\u03bf\u03c5\u03bd videogames \u03ba\u03b1\u03b9 \u03c0\u03cc\u03c3\u03bf, \u03c4\u03bf \u03b1\u03bd \u03ba\u03ac\u03bd\u03bf\u03c5\u03bd \u03b9\u03b4\u03b9\u03b1\u03af\u03c4\u03b5\u03c1\u03b1 \u03ae \u03c6\u03c1\u03bf\u03bd\u03c4\u03b9\u03c3\u03c4\u03ae\u03c1\u03b9\u03bf, \u03c4\u03bf \u03b1\u03bd \u03b1\u03b8\u03bb\u03bf\u03cd\u03bd\u03c4\u03b1\u03b9. \u03a4\u03b1\u03c5\u03c4\u03cc\u03c7\u03c1\u03bf\u03bd\u03b1,\u00a0<a href=\"https:\/\/www.dianeosis.org\/wp-content\/uploads\/2019\/11\/Erotimatologio-Diefthintes.pdf\" target=\"_blank\" rel=\"noopener noreferrer\">\u03ac\u03bb\u03bb\u03bf \u03b5\u03c1\u03c9\u03c4\u03b7\u03bc\u03b1\u03c4\u03bf\u03bb\u03cc\u03b3\u03b9\u03bf<\/a>\u00a0(PDF) \u03c3\u03c5\u03bc\u03c0\u03bb\u03b7\u03c1\u03ce\u03bd\u03bf\u03c5\u03bd \u03ba\u03b1\u03b9 \u03bf\u03b9 \u03b4\u03b9\u03b5\u03c5\u03b8\u03c5\u03bd\u03c4\u03ad\u03c2 \u03c4\u03c9\u03bd \u03c3\u03c7\u03bf\u03bb\u03b5\u03af\u03c9\u03bd \u03c4\u03bf\u03c5\u03c2, \u03b1\u03c0\u03b1\u03bd\u03c4\u03ce\u03bd\u03c4\u03b1\u03c2 \u03c3\u03b5 \u03b5\u03c1\u03c9\u03c4\u03ae\u03c3\u03b5\u03b9\u03c2 \u03b3\u03b9\u03b1 \u03c4\u03b9\u03c2 \u03c5\u03c0\u03bf\u03b4\u03bf\u03bc\u03ad\u03c2 \u03ba\u03b1\u03b9 \u03c4\u03b9\u03c2 \u03b5\u03bb\u03bb\u03b5\u03af\u03c8\u03b5\u03b9\u03c2 \u03c4\u03bf\u03c5 \u03ba\u03ac\u03b8\u03b5 \u03c3\u03c7\u03bf\u03bb\u03b5\u03af\u03bf\u03c5.<\/p>\n<p>\u03a4\u03b1 \u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03ad\u03c3\u03bc\u03b1\u03c4\u03b1 \u03c4\u03c9\u03bd \u03c0\u03b1\u03b9\u03b4\u03b9\u03ce\u03bd \u03c3\u03c4\u03bf \u03c0\u03c1\u03cc\u03b3\u03c1\u03b1\u03bc\u03bc\u03b1 PISA \u03b5\u03af\u03bd\u03b1\u03b9 \u03b1\u03c0\u03cc \u03bc\u03cc\u03bd\u03b1 \u03c4\u03bf\u03c5\u03c2 \u03c7\u03c1\u03ae\u03c3\u03b9\u03bc\u03b1 \u03ba\u03b1\u03b9 \u03c0\u03bf\u03bb\u03cd \u03b5\u03bd\u03b4\u03b5\u03b9\u03ba\u03c4\u03b9\u03ba\u03ac. \u03a4\u03bf \u03cc\u03c4\u03b9\u00a0<strong>\u03bf \u03bc\u03ad\u03c3\u03bf\u03c2 \u03cc\u03c1\u03bf\u03c2 \u03c4\u03c9\u03bd \u03b5\u03c0\u03b9\u03b4\u03cc\u03c3\u03b5\u03c9\u03bd \u03c4\u03c9\u03bd \u0395\u03bb\u03bb\u03ae\u03bd\u03c9\u03bd \u03bc\u03b1\u03b8\u03b7\u03c4\u03ce\u03bd \u03b5\u03af\u03bd\u03b1\u03b9 \u03c7\u03b1\u03bc\u03b7\u03bb\u03cc\u03c4\u03b5\u03c1\u03bf\u03c2<\/strong>\u00a0\u03b1\u03c0\u03cc \u03cc,\u03c4\u03b9 \u03c4\u03c9\u03bd \u03bc\u03b1\u03b8\u03b7\u03c4\u03ce\u03bd \u03c4\u03c9\u03bd \u03c0\u03b5\u03c1\u03b9\u03c3\u03c3\u03cc\u03c4\u03b5\u03c1\u03c9\u03bd \u03b1\u03bd\u03b5\u03c0\u03c4\u03c5\u03b3\u03bc\u03ad\u03bd\u03c9\u03bd \u03c7\u03c9\u03c1\u03ce\u03bd, \u03c4\u03bf \u03cc\u03c4\u03b9 \u03b5\u03bc\u03b5\u03af\u03c2 \u03c6\u03b1\u03af\u03bd\u03b5\u03c4\u03b1\u03b9 \u03bd\u03b1\u00a0<strong>\u03ad\u03c7\u03bf\u03c5\u03bc\u03b5 \u03c0\u03bf\u03bb\u03cd \u03bb\u03b9\u03b3\u03cc\u03c4\u03b5\u03c1\u03bf\u03c5\u03c2 \u03bc\u03b1\u03b8\u03b7\u03c4\u03ad\u03c2 \u03c5\u03c8\u03b7\u03bb\u03ce\u03bd \u03b5\u03c0\u03b9\u03b4\u03cc\u03c3\u03b5\u03c9\u03bd<\/strong>\u00a0\u03b1\u03c0\u03cc \u03cc,\u03c4\u03b9 \u03c3\u03c5\u03b3\u03ba\u03c1\u03af\u03c3\u03b9\u03bc\u03b5\u03c2 \u03c7\u03ce\u03c1\u03b5\u03c2, \u03ae \u03c4\u03bf \u03cc\u03c4\u03b9 \u03ad\u03bd\u03b1\u00a0<strong>\u03c4\u03b5\u03c1\u03ac\u03c3\u03c4\u03b9\u03bf \u03c0\u03bf\u03c3\u03bf\u03c3\u03c4\u03cc \u03c4\u03c9\u03bd \u03bc\u03b1\u03b8\u03b7\u03c4\u03ce\u03bd \u03bc\u03b1\u03c2 \u03b4\u03b5\u03bd \u03bc\u03c0\u03bf\u03c1\u03bf\u03cd\u03bd \u03bd\u03b1 \u03b1\u03bd\u03c4\u03b1\u03c0\u03b5\u03be\u03ad\u03bb\u03b8\u03bf\u03c5\u03bd \u03bf\u03cd\u03c4\u03b5 \u03c3\u03c4\u03b1 \u03b2\u03b1\u03c3\u03b9\u03ba\u03ac<\/strong>, \u03b5\u03af\u03bd\u03b1\u03b9 \u03c0\u03bf\u03bb\u03cd\u03c4\u03b9\u03bc\u03b1 \u03c3\u03c4\u03bf\u03b9\u03c7\u03b5\u03af\u03b1 \u03c0\u03bf\u03c5 \u03b1\u03c0\u03bf\u03c4\u03c5\u03c0\u03ce\u03bd\u03bf\u03c5\u03bd \u03bc\u03b9\u03b1 \u03c0\u03c1\u03bf\u03b2\u03bb\u03b7\u03bc\u03b1\u03c4\u03b9\u03ba\u03ae \u03c0\u03c1\u03b1\u03b3\u03bc\u03b1\u03c4\u03b9\u03ba\u03cc\u03c4\u03b7\u03c4\u03b1. \u038c\u03c4\u03b1\u03bd \u03cc\u03bc\u03c9\u03c2 \u03c3\u03c5\u03bd\u03b4\u03c5\u03b1\u03c3\u03c4\u03bf\u03cd\u03bd \u03bc\u03b5 \u03c4\u03b1 \u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03ad\u03c3\u03bc\u03b1\u03c4\u03b1 \u03ba\u03b1\u03b9 \u03c4\u03c9\u03bd \u03ac\u03bb\u03bb\u03c9\u03bd, \u03c0\u03b1\u03c1\u03ac\u03bb\u03bb\u03b7\u03bb\u03c9\u03bd \u03b5\u03c1\u03b5\u03c5\u03bd\u03ce\u03bd, \u03c4\u03cc\u03c4\u03b5 \u03bc\u03c0\u03bf\u03c1\u03bf\u03cd\u03bd \u03bd\u03b1 \u03b3\u03af\u03bd\u03bf\u03c5\u03bd \u03c0\u03c1\u03b1\u03b3\u03bc\u03b1\u03c4\u03b9\u03ba\u03ac \u03c0\u03bf\u03bb\u03cd\u03c4\u03b9\u03bc\u03b1. \u0393\u03b9\u03b1\u03c4\u03af \u03c4\u03cc\u03c4\u03b5 \u03bc\u03c0\u03bf\u03c1\u03bf\u03cd\u03bc\u03b5 \u03bd\u03b1 \u03b1\u03c1\u03c7\u03af\u03c3\u03bf\u03c5\u03bc\u03b5 \u03bd\u03b1 \u03ba\u03b1\u03c4\u03b1\u03bb\u03b1\u03b2\u03b1\u03af\u03bd\u03bf\u03c5\u03bc\u03b5 \u03ba\u03b1\u03b9 \u03c4\u03b9\u03c2 \u03b1\u03b9\u03c4\u03af\u03b5\u03c2 \u03c0\u03af\u03c3\u03c9 \u03b1\u03c0\u03cc \u03c4\u03bf \u03c0\u03c1\u03cc\u03b2\u03bb\u03b7\u03bc\u03b1.<\/p>\n<p>\u0397 \u03b4\u03b9\u03b1\u039d\u0395\u039f\u03c3\u03b9\u03c2, \u03bb\u03bf\u03b9\u03c0\u03cc\u03bd, \u03b4\u03b7\u03bc\u03bf\u03c3\u03b9\u03b5\u03cd\u03b5\u03b9 \u03c3\u03ae\u03bc\u03b5\u03c1\u03b1 \u03bc\u03b9\u03b1\u00a0<strong>\u03bb\u03b5\u03c0\u03c4\u03bf\u03bc\u03b5\u03c1\u03ae \u03bc\u03b5\u03bb\u03ad\u03c4\u03b7<\/strong>\u00a0\u03c0\u03ac\u03bd\u03c9 \u03c3\u03c4\u03b1 \u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03ad\u03c3\u03bc\u03b1\u03c4\u03b1 \u03c4\u03b7\u03c2\u00a0<strong>PISA \u03c4\u03bf\u03c5 2015<\/strong>, \u03c4\u03b1 \u03c0\u03b9\u03bf \u03c0\u03c1\u03cc\u03c3\u03c6\u03b1\u03c4\u03b1 \u03c0\u03bb\u03ae\u03c1\u03b7 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03b1 \u03c0\u03bf\u03c5 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b4\u03b9\u03b1\u03b8\u03ad\u03c3\u03b9\u03bc\u03b1. \u039c\u03b9\u03b1 \u03bf\u03bc\u03ac\u03b4\u03b1 \u03b5\u03c1\u03b5\u03c5\u03bd\u03b7\u03c4\u03ce\u03bd, \u03bc\u03b5 \u03c4\u03bf \u03c3\u03c5\u03bd\u03c4\u03bf\u03bd\u03b9\u03c3\u03bc\u03cc \u03ba\u03b1\u03b9 \u03c4\u03b7\u03bd \u03b5\u03c0\u03b9\u03bc\u03ad\u03bb\u03b5\u03b9\u03b1 \u03c4\u03b7\u03c2 \u0395\u03c0\u03b9\u03ba. \u039a\u03b1\u03b8\u03b7\u03b3\u03ae\u03c4\u03c1\u03b9\u03b1\u03c2 \u03c4\u03bf\u03c5 \u03a7\u03b1\u03c1\u03bf\u03ba\u03cc\u03c0\u03b5\u03b9\u03bf\u03c5 \u03a0\u03b1\u03bd\u03b5\u03c0\u03b9\u03c3\u03c4\u03b7\u03bc\u03af\u03bf\u03c5\u00a0<strong>\u03a7\u03c1\u03cd\u03c3\u03b1\u03c2 \u03a3\u03bf\u03c6\u03b9\u03b1\u03bd\u03bf\u03c0\u03bf\u03cd\u03bb\u03bf\u03c5<\/strong>, \u03c0\u03bf\u03c5 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b7 \u03b5\u03b8\u03bd\u03b9\u03ba\u03ae \u03c3\u03c5\u03bd\u03c4\u03bf\u03bd\u03af\u03c3\u03c4\u03c1\u03b9\u03b1 \u03c4\u03bf\u03c5 PISA \u03c3\u03c4\u03bf\u03bd \u039f\u039f\u03a3\u0391, \u03bc\u03b5\u03bb\u03ad\u03c4\u03b7\u03c3\u03b1\u03bd \u03bb\u03bf\u03b9\u03c0\u03cc\u03bd \u03c4\u03b1 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03b1 \u03c4\u03bf\u03c5 2015 \u03ba\u03b1\u03b9 \u03b5\u03c4\u03bf\u03af\u03bc\u03b1\u03c3\u03b1\u03bd \u03bc\u03b9\u03b1 \u03bb\u03b5\u03c0\u03c4\u03bf\u03bc\u03b5\u03c1\u03ae \u03c4\u03b5\u03c7\u03bd\u03b9\u03ba\u03ae \u03b1\u03bd\u03ac\u03bb\u03c5\u03c3\u03b7 \u03bc\u03b5\u03c1\u03b9\u03ba\u03ce\u03bd \u03b1\u03c0\u03cc \u03c4\u03b1 \u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03ad\u03c3\u03bc\u03b1\u03c4\u03b1, \u03ba\u03b1\u03c4\u03b1\u03bb\u03ae\u03b3\u03bf\u03bd\u03c4\u03b1\u03c2 \u03c3\u03b5 \u03c0\u03bf\u03bb\u03bb\u03ac \u03c7\u03c1\u03ae\u03c3\u03b9\u03bc\u03b1 \u03c3\u03c5\u03bc\u03c0\u03b5\u03c1\u03ac\u03c3\u03bc\u03b1\u03c4\u03b1.<\/p>\n<p><a class=\"button button--blue\" href=\"https:\/\/www.dianeosis.org\/wp-content\/uploads\/2019\/11\/final_pisa2015.pdf\">\u0394\u0399\u0391\u0392\u0391\u03a3\u03a4\u0395 \u039f\u039b\u039f\u039a\u039b\u0397\u03a1\u0397 \u03a4\u0397 \u039c\u0395\u039b\u0395\u03a4\u0397 \u0395\u0394\u03a9 (PDF)<\/a><\/p>\n<p>\u0398\u03b1 \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03c0\u03bf\u03cd\u03bc\u03b5 \u03cc\u03c4\u03b9 \u03c4\u03b1 \u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03ad\u03c3\u03bc\u03b1\u03c4\u03b1 \u03ba\u03b1\u03b9 \u03c4\u03b1 \u03c3\u03c5\u03bc\u03c0\u03b5\u03c1\u03ac\u03c3\u03bc\u03b1\u03c4\u03b1 \u03c4\u03ad\u03c4\u03bf\u03b9\u03c9\u03bd \u03b3\u03b9\u03b3\u03ac\u03bd\u03c4\u03b9\u03c9\u03bd \u03b5\u03c1\u03b5\u03c5\u03bd\u03ce\u03bd \u03b5\u03af\u03bd\u03b1\u03b9 \u03ad\u03bd\u03b1 \u03c4\u03b5\u03c7\u03bd\u03b9\u03ba\u03cc \u03ba\u03b1\u03b9 \u03c0\u03bf\u03bb\u03cd\u03c0\u03bb\u03bf\u03ba\u03bf \u03b8\u03ad\u03bc\u03b1, \u03c0\u03bf\u03c5 \u03b1\u03c6\u03bf\u03c1\u03ac \u03ba\u03c5\u03c1\u03af\u03c9\u03c2 \u03c4\u03bf\u03c5\u03c2 \u03b5\u03b9\u03b4\u03b9\u03ba\u03bf\u03cd\u03c2. \u0395\u03b4\u03ce \u03b8\u03b1 \u03c0\u03c1\u03bf\u03c3\u03c0\u03b1\u03b8\u03ae\u03c3\u03bf\u03c5\u03bc\u03b5 \u03bd\u03b1\u00a0<strong>\u03ba\u03b1\u03c4\u03b1\u03b3\u03c1\u03ac\u03c8\u03bf\u03c5\u03bc\u03b5 \u03bc\u03b5 \u03b1\u03c0\u03bb\u03bf\u03cd\u03c3\u03c4\u03b5\u03c1\u03bf\u03c5\u03c2 \u03cc\u03c1\u03bf\u03c5\u03c2 \u03bc\u03b5\u03c1\u03b9\u03ba\u03ac \u03b2\u03b1\u03c3\u03b9\u03ba\u03ac \u03c3\u03c4\u03bf\u03b9\u03c7\u03b5\u03af\u03b1<\/strong>\u00a0\u03b1\u03c0\u03cc \u03c4\u03b1 \u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03ad\u03c3\u03bc\u03b1\u03c4\u03b1 \u03c4\u03b7\u03c2 \u03b1\u03be\u03b9\u03bf\u03bb\u03cc\u03b3\u03b7\u03c3\u03b7\u03c2 \u03c4\u03c9\u03bd \u03bc\u03b1\u03b8\u03b7\u03c4\u03ce\u03bd \u03c3\u03c4\u03b1 \u03bc\u03b1\u03b8\u03b7\u03bc\u03b1\u03c4\u03b9\u03ba\u03ac, \u03c4\u03b7\u03bd \u03ba\u03b1\u03c4\u03b1\u03bd\u03cc\u03b7\u03c3\u03b7 \u03ba\u03b5\u03b9\u03bc\u03ad\u03bd\u03bf\u03c5 \u03ba\u03b1\u03b9 \u03c4\u03b9\u03c2 \u03c6\u03c5\u03c3\u03b9\u03ba\u03ad\u03c2 \u03b5\u03c0\u03b9\u03c3\u03c4\u03ae\u03bc\u03b5\u03c2,\u00a0<strong>\u03bc\u03b9\u03b1 \u03c3\u03cd\u03b3\u03ba\u03c1\u03b9\u03c3\u03b7<\/strong>\u00a0\u03bc\u03b5 \u03ba\u03ac\u03c0\u03bf\u03b9\u03b5\u03c2 \u03ac\u03bb\u03bb\u03b5\u03c2, \u03b5\u03c0\u03b9\u03bb\u03b5\u03b3\u03bc\u03ad\u03bd\u03b5\u03c2 \u03c7\u03ce\u03c1\u03b5\u03c2, \u03bc\u03b5\u03c1\u03b9\u03ba\u03ac \u03c3\u03c4\u03bf\u03b9\u03c7\u03b5\u03af\u03b1 \u03c0\u03bf\u03c5 \u03c0\u03c1\u03bf\u03ba\u03cd\u03c0\u03c4\u03bf\u03c5\u03bd \u03b1\u03c0\u03cc \u03c4\u03b9\u03c2 \u03b1\u03c0\u03b1\u03bd\u03c4\u03ae\u03c3\u03b5\u03b9\u03c2 \u03c4\u03c9\u03bd \u03bc\u03b1\u03b8\u03b7\u03c4\u03ce\u03bd \u03ba\u03b1\u03b9 \u03c4\u03c9\u03bd \u03b4\u03b9\u03b5\u03c5\u03b8\u03c5\u03bd\u03c4\u03ce\u03bd \u03c4\u03bf\u03c5\u03c2 \u03c3\u03c4\u03b1 \u03ac\u03bb\u03bb\u03b1 \u03b5\u03c1\u03c9\u03c4\u03b7\u03bc\u03b1\u03c4\u03bf\u03bb\u03cc\u03b3\u03b9\u03b1 \u03ba\u03b1\u03b9, \u03c4\u03b5\u03bb\u03b9\u03ba\u03ac,\u00a0<strong>\u03bc\u03b5\u03c1\u03b9\u03ba\u03ac \u03c3\u03c5\u03bc\u03c0\u03b5\u03c1\u03ac\u03c3\u03bc\u03b1\u03c4\u03b1 \u03b3\u03b9\u03b1 \u03c4\u03bf\u03c5\u03c2 \u03c0\u03b1\u03c1\u03ac\u03b3\u03bf\u03bd\u03c4\u03b5\u03c2 \u03c0\u03bf\u03c5 \u03c6\u03b1\u03af\u03bd\u03b5\u03c4\u03b1\u03b9 \u03bd\u03b1 \u03c3\u03c7\u03b5\u03c4\u03af\u03b6\u03bf\u03bd\u03c4\u03b1\u03b9 \u03bc\u03b5 \u03c4\u03b9\u03c2 \u03b5\u03c0\u03b9\u03b4\u03cc\u03c3\u03b5\u03b9\u03c2 \u03c4\u03c9\u03bd \u03c0\u03b1\u03b9\u03b4\u03b9\u03ce\u03bd<\/strong>.<\/p>\n<p>\u0391\u03bb\u03bb\u03ac \u03c0\u03c1\u03ce\u03c4\u03b1, \u03b8\u03b1 \u03be\u03b5\u03ba\u03b9\u03bd\u03ae\u03c3\u03bf\u03c5\u03bc\u03b5 \u03b1\u03c0\u03cc \u03ad\u03bd\u03b1 \u03c0\u03b9\u03bf \u03b2\u03b1\u03c3\u03b9\u03ba\u03cc \u03b5\u03c1\u03ce\u03c4\u03b7\u03bc\u03b1.<\/p>\n<h3><strong>1. \u03a4\u03b9 \u03b5\u03af\u03bd\u03b1\u03b9 \u03c4\u03bf \u03c0\u03c1\u03cc\u03b3\u03c1\u03b1\u03bc\u03bc\u03b1\u00a0<\/strong><strong>PISA<\/strong><strong>;<\/strong><\/h3>\n<p><span class=\"dropcap\">\u0397<\/span>\u03ad\u03c1\u03b5\u03c5\u03bd\u03b1 \u03c4\u03bf\u03c5 \u03c0\u03c1\u03bf\u03b3\u03c1\u03ac\u03bc\u03bc\u03b1\u03c4\u03bf\u03c2 PISA (\u201cProgramme for International Student Assessment\u201d) \u03b3\u03af\u03bd\u03b5\u03c4\u03b1\u03b9, \u03cc\u03c0\u03c9\u03c2 \u03b5\u03af\u03c0\u03b1\u03bc\u03b5, \u03ba\u03ac\u03b8\u03b5 \u03c4\u03c1\u03af\u03b1 \u03c7\u03c1\u03cc\u03bd\u03b9\u03b1 \u03c3\u03c4\u03b9\u03c2 35 \u03c7\u03ce\u03c1\u03b5\u03c2-\u03bc\u03ad\u03bb\u03b7 \u03c4\u03bf\u03c5 \u039f\u039f\u03a3\u0391 \u03ba\u03b1\u03b9 \u03c3\u03b5 \u03b4\u03b5\u03ba\u03ac\u03b4\u03b5\u03c2 \u03ac\u03bb\u03bb\u03b5\u03c2 \u03c7\u03ce\u03c1\u03b5\u03c2-\u03b5\u03c4\u03b1\u03af\u03c1\u03bf\u03c5\u03c2 (\u03c4\u03bf 2015 \u03ae\u03c4\u03b1\u03bd 37).\u00a0<strong>\u0388\u03c7\u03b5\u03b9 \u03c9\u03c2 \u03c3\u03ba\u03bf\u03c0\u03cc \u03bd\u03b1 \u03b1\u03be\u03b9\u03bf\u03bb\u03bf\u03b3\u03ae\u03c3\u03b5\u03b9 \u03c4\u03bf \u03b1\u03bd \u03ba\u03b1\u03b9 \u03ba\u03b1\u03c4\u03ac \u03c0\u03cc\u03c3\u03bf \u03bc\u03b1\u03b8\u03b7\u03c4\u03ad\u03c2 \u03c0\u03bf\u03c5 \u03c0\u03bb\u03b7\u03c3\u03b9\u03ac\u03b6\u03bf\u03c5\u03bd \u03c0\u03c1\u03bf\u03c2 \u03c4\u03bf \u03c4\u03ad\u03bb\u03bf\u03c2 \u03c4\u03b7\u03c2 \u03c5\u03c0\u03bf\u03c7\u03c1\u03b5\u03c9\u03c4\u03b9\u03ba\u03ae\u03c2 \u03b5\u03ba\u03c0\u03b1\u03af\u03b4\u03b5\u03c5\u03c3\u03ae\u03c2 \u03c4\u03bf\u03c5\u03c2 \u03ad\u03c7\u03bf\u03c5\u03bd \u03b1\u03c0\u03bf\u03ba\u03c4\u03ae\u03c3\u03b5\u03b9 \u03c4\u03b9\u03c2 \u03b3\u03bd\u03ce\u03c3\u03b5\u03b9\u03c2 \u03ba\u03b1\u03b9 \u03c4\u03b9\u03c2 \u03b9\u03ba\u03b1\u03bd\u03cc\u03c4\u03b7\u03c4\u03b5\u03c2 \u03b3\u03b9\u03b1 \u03bd\u03b1 \u03c3\u03c5\u03bc\u03bc\u03b5\u03c4\u03ac\u03c3\u03c7\u03bf\u03c5\u03bd \u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03b5\u03c3\u03bc\u03b1\u03c4\u03b9\u03ba\u03ac \u03c3\u03c4\u03b9\u03c2 \u03c3\u03cd\u03b3\u03c7\u03c1\u03bf\u03bd\u03b5\u03c2 \u03ba\u03bf\u03b9\u03bd\u03c9\u03bd\u03af\u03b5\u03c2 \u03ba\u03b1\u03b9 \u03bd\u03b1 \u03b1\u03bd\u03c4\u03b1\u03c0\u03b5\u03be\u03ad\u03bb\u03b8\u03bf\u03c5\u03bd \u03c3\u03c4\u03b9\u03c2 \u03b1\u03bd\u03ac\u03b3\u03ba\u03b5\u03c2 \u03c4\u03b7\u03c2 \u03b5\u03c0\u03bf\u03c7\u03ae\u03c2<\/strong>.<\/p>\n<p>\u0397 \u03b1\u03bd\u03ac\u03b3\u03ba\u03b7 \u03b3\u03b9\u03b1 \u03bc\u03b9\u03b1 \u03c4\u03ad\u03c4\u03bf\u03b9\u03b1, \u03b4\u03b9\u03b5\u03b8\u03bd\u03ae \u03ad\u03c1\u03b5\u03c5\u03bd\u03b1 \u03b5\u03ba\u03c6\u03c1\u03ac\u03c3\u03c4\u03b7\u03ba\u03b5 \u03c3\u03c4\u03b9\u03c2 \u03b1\u03c1\u03c7\u03ad\u03c2 \u03c4\u03b7\u03c2 \u03b4\u03b5\u03ba\u03b1\u03b5\u03c4\u03af\u03b1\u03c2 \u03c4\u03bf\u03c5 &#8217;80, \u03ba\u03c5\u03c1\u03af\u03c9\u03c2 \u03b1\u03c0\u03cc \u03b4\u03cd\u03bf \u03b5\u03bd\u03c4\u03b5\u03bb\u03ce\u03c2 \u03b4\u03b9\u03b1\u03c6\u03bf\u03c1\u03b5\u03c4\u03b9\u03ba\u03ad\u03c2 \u03bc\u03b5\u03c4\u03b1\u03be\u03cd \u03c4\u03bf\u03c5\u03c2 \u03ba\u03c5\u03b2\u03b5\u03c1\u03bd\u03ae\u03c3\u03b5\u03b9\u03c2, \u03c4\u03b7 \u03c1\u03b5\u03c0\u03bf\u03c5\u03bc\u03c0\u03bb\u03b9\u03ba\u03b1\u03bd\u03b9\u03ba\u03ae \u03c3\u03c4\u03b9\u03c2 \u0397\u03a0\u0391 \u03ba\u03b1\u03b9 \u03c4\u03b7 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https:\/\/www.dianeosis.org\/wp-content\/uploads\/2019\/11\/pisa2015-v10-48-4-580x146.png 580w\" alt=\"\" width=\"700\" height=\"176\" data-recalc-dims=\"1\" \/><\/p>\n<\/div>\n<p>\u0397 \u03af\u03b4\u03b9\u03b1 \u03b7 \u03b5\u03be\u03ad\u03c4\u03b1\u03c3\u03b7 \u03b3\u03b9\u03b1 \u03ba\u03ac\u03b8\u03b5 \u03b3\u03bd\u03c9\u03c3\u03c4\u03b9\u03ba\u03cc \u03b1\u03bd\u03c4\u03b9\u03ba\u03b5\u03af\u03bc\u03b5\u03bd\u03bf \u03b4\u03b9\u03ae\u03c1\u03ba\u03b5\u03c3\u03b5 \u03b4\u03cd\u03bf \u03ce\u03c1\u03b5\u03c2 \u03ba\u03b1\u03b9 \u03ad\u03b3\u03b9\u03bd\u03b5 \u03bc\u03b5\u00a0<strong>\u03b7\u03bb\u03b5\u03ba\u03c4\u03c1\u03bf\u03bd\u03b9\u03ba\u03cc \u03b5\u03c1\u03c9\u03c4\u03b7\u03bc\u03b1\u03c4\u03bf\u03bb\u03cc\u03b3\u03b9\u03bf<\/strong>\u00a0\u03c3\u03c4\u03bf \u03b5\u03c1\u03b3\u03b1\u03c3\u03c4\u03ae\u03c1\u03b9\u03bf \u03c0\u03bb\u03b7\u03c1\u03bf\u03c6\u03bf\u03c1\u03b9\u03ba\u03ae\u03c2 \u03c4\u03bf\u03c5 \u03ba\u03ac\u03b8\u03b5 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\u03ac\u03bb\u03bb\u03bf \u03b8\u03ad\u03bc\u03b1 \u03c0\u03b1\u03c1\u03bf\u03c5\u03c3\u03af\u03b1\u03b6\u03b5 \u03ad\u03bd\u03b1 \u03ac\u03c1\u03b8\u03c1\u03bf \u03b9\u03b1\u03c0\u03c9\u03bd\u03b9\u03ba\u03ae\u03c2 \u03b5\u03c6\u03b7\u03bc\u03b5\u03c1\u03af\u03b4\u03b1\u03c2 \u03bc\u03b5 \u03c3\u03c4\u03bf\u03b9\u03c7\u03b5\u03af\u03b1 \u03ad\u03c1\u03b5\u03c5\u03bd\u03b1\u03c2 \u03b3\u03b9\u03b1 \u03c4\u03bf bullying, \u03ba\u03b1\u03b9 \u03c4\u03bf\u03c5\u03c2 \u03b6\u03b7\u03c4\u03bf\u03cd\u03c3\u03b5 \u03bd\u03b1 \u03b1\u03c0\u03b1\u03bd\u03c4\u03ae\u03c3\u03bf\u03c5\u03bd \u03bc\u03b9\u03b1 \u03b5\u03c1\u03ce\u03c4\u03b7\u03c3\u03b7 \u03c3\u03c7\u03b5\u03c4\u03b9\u03ba\u03ae \u03bc\u03b5 \u03bc\u03b9\u03b1 \u03b5\u03c0\u03b9\u03bb\u03bf\u03b3\u03ae \u03c4\u03bf\u03c5 \u03c3\u03c5\u03bd\u03c4\u03ac\u03ba\u03c4\u03b7, \u03b1\u03bb\u03bb\u03ac \u03c4\u03bf\u03c5\u03c2 \u03ad\u03b4\u03b5\u03b9\u03c7\u03bd\u03b5 \u03ba\u03b1\u03b9 \u03c4\u03ad\u03c3\u03c3\u03b5\u03c1\u03b1 \u03b4\u03b9\u03b1\u03b3\u03c1\u03ac\u03bc\u03bc\u03b1\u03c4\u03b1, \u03ba\u03b1\u03bb\u03ce\u03bd\u03c4\u03b1\u03c2 \u03c4\u03bf\u03c5\u03c2 \u03bd\u03b1 \u03b5\u03c0\u03b9\u03bb\u03ad\u03be\u03bf\u03c5\u03bd \u03c0\u03bf\u03b9\u03bf \u03b1\u03c0\u03b5\u03b9\u03ba\u03bf\u03bd\u03af\u03b6\u03b5\u03b9 \u03c0\u03b9\u03bf \u03c3\u03c9\u03c3\u03c4\u03ac \u03c4\u03b1 \u03c3\u03c4\u03bf\u03b9\u03c7\u03b5\u03af\u03b1 \u03c0\u03bf\u03c5 \u03b1\u03bd\u03b1\u03c6\u03ad\u03c1\u03bf\u03bd\u03c4\u03b1\u03bd \u03c3\u03c4\u03bf \u03ac\u03c1\u03b8\u03c1\u03bf.<\/p>\n<p>\u039c\u03c0\u03bf\u03c1\u03b5\u03af\u03c4\u03b5 \u03bd\u03b1 \u03b2\u03c1\u03b5\u03af\u03c4\u03b5 \u03ba\u03b9 \u03ac\u03bb\u03bb\u03b1 \u03b5\u03bd\u03b4\u03b5\u03b9\u03ba\u03c4\u03b9\u03ba\u03ac \u03b8\u03ad\u03bc\u03b1\u03c4\u03b1 \u03c0\u03bf\u03c5 \u03ad\u03c7\u03bf\u03c5\u03bd \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03b7\u03b8\u03b5\u03af \u03c3\u03b5 \u03c0\u03b1\u03bb\u03b1\u03b9\u03cc\u03c4\u03b5\u03c1\u03b5\u03c2 \u03b5\u03be\u03b5\u03c4\u03ac\u03c3\u03b5\u03b9\u03c2\u00a0<a href=\"https:\/\/www.oecd.org\/pisa\/pisaproducts\/Take%20the%20test%20e%20book.pdf\" target=\"_blank\" rel=\"noopener noreferrer\">\u03b5\u03b4\u03ce<\/a>\u00a0(PDF). \u0395\u03af\u03bd\u03b1\u03b9 \u03c3\u03b7\u03bc\u03b1\u03bd\u03c4\u03b9\u03ba\u03cc \u03c4\u03bf \u03cc\u03c4\u03b9\u00a0<strong>\u03c4\u03bf \u03bc\u03b9\u03c3\u03cc \u03b5\u03ba\u03b1\u03c4\u03bf\u03bc\u03bc\u03cd\u03c1\u03b9\u03bf \u03bc\u03b1\u03b8\u03b7\u03c4\u03ad\u03c2 \u03c0\u03bf\u03c5 \u03c3\u03c5\u03bc\u03bc\u03b5\u03c4\u03ad\u03c7\u03bf\u03c5\u03bd \u03c3\u03c4\u03bf \u03c0\u03c1\u03cc\u03b3\u03c1\u03b1\u03bc\u03bc\u03b1 PISA \u03ba\u03ac\u03b8\u03b5 \u03c6\u03bf\u03c1\u03ac \u03b1\u03c0\u03b1\u03bd\u03c4\u03bf\u03cd\u03bd \u03cc\u03bb\u03bf\u03b9 \u03c3\u03c4\u03b1 \u03af\u03b4\u03b9\u03b1 \u03b8\u03ad\u03bc\u03b1\u03c4\u03b1<\/strong>, \u03bc\u03b5 \u03c4\u03b7\u03bd 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\u03b5\u03ba\u03b4\u03af\u03b4\u03b5\u03b9 \u03bf \u03bf\u03c1\u03b3\u03b1\u03bd\u03b9\u03c3\u03bc\u03cc\u03c2. \u039c\u03c0\u03bf\u03c1\u03b5\u03af\u03c4\u03b5 \u03bd\u03b1 \u03b2\u03c1\u03b5\u03af\u03c4\u03b5 \u03cc\u03bb\u03b1 \u03c4\u03b1 \u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03ad\u03c3\u03bc\u03b1\u03c4\u03b1 \u03ba\u03b1\u03b9 \u03cc\u03bb\u03b5\u03c2 \u03c4\u03b9\u03c2 \u03b5\u03ba\u03b8\u03ad\u03c3\u03b5\u03b9\u03c2 \u03cc\u03bb\u03c9\u03bd \u03c4\u03c9\u03bd \u03b5\u03c1\u03b5\u03c5\u03bd\u03ce\u03bd\u00a0<a href=\"https:\/\/www.oecd.org\/pisa\/data\/2015database\/\" target=\"_blank\" rel=\"noopener noreferrer\">\u03b5\u03b4\u03ce<\/a>. \u038c\u03c0\u03c9\u03c2 \u03b5\u03af\u03c0\u03b1\u03bc\u03b5, \u03c3\u03b5 \u03bb\u03af\u03b3\u03b5\u03c2 \u03b7\u03bc\u03ad\u03c1\u03b5\u03c2 \u03b1\u03bd\u03b1\u03bc\u03ad\u03bd\u03b5\u03c4\u03b1\u03b9 \u03bd\u03b1 \u03b4\u03b7\u03bc\u03bf\u03c3\u03b9\u03b5\u03c5\u03c4\u03bf\u03cd\u03bd \u03c4\u03b1 \u03c0\u03c1\u03ce\u03c4\u03b1 \u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03ad\u03c3\u03bc\u03b1\u03c4\u03b1 \u03c4\u03b7\u03c2 \u03ad\u03c1\u03b5\u03c5\u03bd\u03b1\u03c2 \u03c4\u03bf\u03c5 2018.<\/p>\n<p>\u0391\u03c2 \u03b4\u03bf\u03cd\u03bc\u03b5 \u03cc\u03bc\u03c9\u03c2 \u03c0\u03ce\u03c2 \u03c4\u03b1 \u03c0\u03ae\u03b3\u03b1\u03bd \u03bf\u03b9 \u0388\u03bb\u03bb\u03b7\u03bd\u03b5\u03c2 -\u03ba\u03b1\u03b9 \u03bf\u03b9 \u03ac\u03bb\u03bb\u03bf\u03b9- \u03bc\u03b1\u03b8\u03b7\u03c4\u03ad\u03c2 \u03c4\u03bf 2015.<\/p>\n<h3><strong>2. \u03a4\u03b1 \u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03ad\u03c3\u03bc\u03b1\u03c4\u03b1 \u03c4\u03bf\u03c5\u00a0<\/strong><strong>PISA<\/strong><strong>\u00a02015<\/strong><\/h3>\n<p><span class=\"dropcap\">\u038c<\/span>\u03c0\u03c9\u03c2 \u03b5\u03af\u03c0\u03b1\u03bc\u03b5 \u03ba\u03b1\u03b9 \u03c3\u03c4\u03b7\u03bd \u03b5\u03b9\u03c3\u03b1\u03b3\u03c9\u03b3\u03ae, \u03c4\u03b1 \u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03ad\u03c3\u03bc\u03b1\u03c4\u03b1 \u03c4\u03c9\u03bd 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\u03bc\u03bf\u03bd\u03ac\u03b4\u03b5\u03c2.\u00a0<strong>\u039f\u03b9 \u0388\u03bb\u03bb\u03b7\u03bd\u03b5\u03c2 \u03bc\u03b1\u03b8\u03b7\u03c4\u03ad\u03c2 \u03c0\u03ae\u03c1\u03b1\u03bd \u03ba\u03b1\u03c4\u03ac \u03bc\u03ad\u03c3\u03bf \u03cc\u03c1\u03bf 455 \u03bc\u03bf\u03bd\u03ac\u03b4\u03b5\u03c2<\/strong>. \u03a3\u03c4\u03b7\u03bd \u03ba\u03b1\u03c4\u03b1\u03bd\u03cc\u03b7\u03c3\u03b7 \u03ba\u03b5\u03af\u03bc\u03b5\u03bd\u03bf\u03c5 \u03bf \u03bc\u03ad\u03c3\u03bf\u03c2 \u03cc\u03c1\u03bf\u03c2 \u03c4\u03bf\u03c5 \u039f\u039f\u03a3\u0391 \u03ae\u03c4\u03b1\u03bd \u03b5\u03c0\u03af\u03c3\u03b7\u03c2 493 \u03bc\u03bf\u03bd\u03ac\u03b4\u03b5\u03c2.\u00a0<strong>\u039f\u03b9 \u0388\u03bb\u03bb\u03b7\u03bd\u03b5\u03c2 \u03bc\u03b1\u03b8\u03b7\u03c4\u03ad\u03c2 \u03b5\u03ba\u03b5\u03af \u03c0\u03ae\u03c1\u03b1\u03bd 467<\/strong>. \u039f \u03bc\u03ad\u03c3\u03bf\u03c2 \u03cc\u03c1\u03bf\u03c2 \u03c4\u03bf\u03c5 \u039f\u039f\u03a3\u0391 \u03c3\u03c4\u03b1 \u03bc\u03b1\u03b8\u03b7\u03bc\u03b1\u03c4\u03b9\u03ba\u03ac, \u03b4\u03b5, \u03ae\u03c4\u03b1\u03bd 490 \u03bc\u03bf\u03bd\u03ac\u03b4\u03b5\u03c2 -\u03bf\u03b9\u00a0<strong>\u0388\u03bb\u03bb\u03b7\u03bd\u03b5\u03c2 \u03c3\u03c4\u03b1 \u03bc\u03b1\u03b8\u03b7\u03bc\u03b1\u03c4\u03b9\u03ba\u03ac \u03c0\u03ae\u03c1\u03b1\u03bd 454<\/strong>.<\/p>\n<p>\u03a3\u03b5 \u03b3\u03b5\u03bd\u03b9\u03ba\u03ad\u03c2 \u03b3\u03c1\u03b1\u03bc\u03bc\u03ad\u03c2 \u03b7 \u03b5\u03c0\u03af\u03b4\u03bf\u03c3\u03b7 \u03c4\u03c9\u03bd \u03bc\u03b1\u03b8\u03b7\u03c4\u03ce\u03bd \u03b1\u03c0\u03cc \u03c4\u03b7 \u03c7\u03ce\u03c1\u03b1 \u03bc\u03b1\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9\u00a0<strong>\u03b1\u03bd\u03c4\u03af\u03c3\u03c4\u03bf\u03b9\u03c7\u03b7 \u03bc\u03b5 \u03c4\u03b7\u03bd \u03b5\u03c0\u03af\u03b4\u03bf\u03c3\u03b7 \u03bc\u03b1\u03b8\u03b7\u03c4\u03ce\u03bd \u03b1\u03c0\u03cc \u03c4\u03b7 \u03a7\u03b9\u03bb\u03ae, \u03c4\u03b7 \u03a3\u03bb\u03bf\u03b2\u03b1\u03ba\u03af\u03b1 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\u039a\u03cc\u03c3\u03bf\u03b2\u03bf \u03ba\u03b1\u03b9 \u03c4\u03b7 \u0392\u03cc\u03c1\u03b5\u03b9\u03b1 \u039c\u03b1\u03ba\u03b5\u03b4\u03bf\u03bd\u03af\u03b1 \u03c4\u03b1 \u03c0\u03b7\u03b3\u03b1\u03af\u03bd\u03bf\u03c5\u03bd \u03c7\u03b5\u03b9\u03c1\u03cc\u03c4\u03b5\u03c1\u03b1 \u03b1\u03c0\u03cc \u03c4\u03bf\u03c5\u03c2 \u03b4\u03b9\u03ba\u03bf\u03cd\u03c2 \u03bc\u03b1\u03c2 \u03c3\u03b5 \u03cc\u03bb\u03b1 \u03c4\u03b1 \u03b8\u03ad\u03bc\u03b1\u03c4\u03b1. \u03a9\u03c3\u03c4\u03cc\u03c3\u03bf,\u00a0<strong>\u03bf\u03b9 \u03bc\u03b1\u03b8\u03b7\u03c4\u03ad\u03c2 \u03b1\u03c0\u03cc \u03cc\u03bb\u03b5\u03c2 \u03c4\u03b9\u03c2 \u03c5\u03c0\u03cc\u03bb\u03bf\u03b9\u03c0\u03b5\u03c2 \u03b5\u03c5\u03c1\u03c9\u03c0\u03b1\u03ca\u03ba\u03ad\u03c2 \u03c7\u03ce\u03c1\u03b5\u03c2 \u03c4\u03b1 \u03c0\u03b7\u03b3\u03b1\u03af\u03bd\u03bf\u03c5\u03bd \u03ba\u03b1\u03bb\u03cd\u03c4\u03b5\u03c1\u03b1<\/strong>.<\/p>\n<p>\u039f\u03b9 \u03bc\u03b1\u03b8\u03b7\u03c4\u03ad\u03c2 \u03b1\u03c0\u03cc \u03c4\u03b7 \u03a3\u03b9\u03b3\u03ba\u03b1\u03c0\u03bf\u03cd\u03c1\u03b7, \u03b4\u03b5, \u03b5\u03af\u03bd\u03b1\u03b9 \u03bf\u03b9 \u03ba\u03b1\u03bb\u03cd\u03c4\u03b5\u03c1\u03bf\u03b9 \u03b1\u03c0\u03cc \u03cc\u03bb\u03bf\u03c5\u03c2. \u03a3\u03c4\u03b9\u03c2 \u03c6\u03c5\u03c3\u03b9\u03ba\u03ad\u03c2 \u03b5\u03c0\u03b9\u03c3\u03c4\u03ae\u03bc\u03b5\u03c2 \u03c0\u03ad\u03c4\u03c5\u03c7\u03b1\u03bd \u03bc\u03ad\u03c3\u03bf \u03cc\u03c1\u03bf 556, 101 \u03bf\u03bb\u03cc\u03ba\u03bb\u03b7\u03c1\u03b5\u03c2 \u03bc\u03bf\u03bd\u03ac\u03b4\u03b5\u03c2 \u03c0\u03b5\u03c1\u03b9\u03c3\u03c3\u03cc\u03c4\u03b5\u03c1\u03b5\u03c2 \u03b1\u03c0\u03cc \u03c4\u03bf\u03c5\u03c2 \u03b4\u03b9\u03ba\u03bf\u03cd\u03c2 \u03bc\u03b1\u03c2. \u03a3\u03cd\u03bc\u03c6\u03c9\u03bd\u03b1 \u03bc\u03b5 \u03c4\u03bf\u03c5\u03c2 \u03b5\u03c1\u03b5\u03c5\u03bd\u03b7\u03c4\u03ad\u03c2, \u03b7 \u03c6\u03bf\u03af\u03c4\u03b7\u03c3\u03b7 \u03c3\u03c4\u03bf \u03c3\u03c7\u03bf\u03bb\u03b5\u03af\u03bf \u03b3\u03b9\u03b1 \u03ad\u03bd\u03b1 \u03c3\u03c7\u03bf\u03bb\u03b9\u03ba\u03cc \u03ad\u03c4\u03bf\u03c2 \u03b2\u03b5\u03bb\u03c4\u03b9\u03ce\u03bd\u03b5\u03b9 \u03c4\u03b9\u03c2 \u03b5\u03c0\u03b9\u03b4\u03cc\u03c3\u03b5\u03b9\u03c2 \u03b5\u03bd\u03cc\u03c2 \u03bc\u03b1\u03b8\u03b7\u03c4\u03ae \u03ba\u03b1\u03c4\u03ac \u03c0\u03b5\u03c1\u03af\u03c0\u03bf\u03c5 38 \u03bc\u03bf\u03bd\u03ac\u03b4\u03b5\u03c2 -\u03b1\u03c5\u03c4\u03cc \u03c3\u03b7\u03bc\u03b1\u03af\u03bd\u03b5\u03b9 \u03cc\u03c4\u03b9\u00a0<strong>\u03bf \u03bc\u03ad\u03c3\u03bf\u03c2 15\u03c7\u03c1\u03bf\u03bd\u03bf\u03c2 \u0388\u03bb\u03bb\u03b7\u03bd\u03b1\u03c2 \u03bc\u03b1\u03b8\u03b7\u03c4\u03ae\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 \u03c3\u03b1\u03bd \u03bd\u03b1 \u03ad\u03c7\u03b5\u03b9 \u03c0\u03ac\u03b5\u03b9 2,5 \u03c7\u03c1\u03cc\u03bd\u03b9\u03b1 \u03c3\u03c7\u03bf\u03bb\u03b5\u03af\u03bf \u03bb\u03b9\u03b3\u03cc\u03c4\u03b5\u03c1\u03b1 \u03b1\u03c0\u03cc \u03c4\u03bf \u03bc\u03ad\u03c3\u03bf 15\u03c7\u03c1\u03bf\u03bd\u03bf 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https:\/\/www.dianeosis.org\/wp-content\/uploads\/2019\/11\/pisa2015_synopsi-v10-6-1-1200x926.png 1200w, https:\/\/www.dianeosis.org\/wp-content\/uploads\/2019\/11\/pisa2015_synopsi-v10-6-1-580x448.png 580w\" alt=\"\" width=\"700\" height=\"540\" data-recalc-dims=\"1\" \/><\/p>\n<\/div>\n<div class=\"large-image-container\">\n<p><img decoding=\"async\" loading=\"lazy\" class=\"size-full wp-image-20573 image-outside-container aligncenter\" src=\"https:\/\/i0.wp.com\/www.dianeosis.org\/wp-content\/uploads\/2019\/11\/pisa2015_synopsi-v10-2-1.png?resize=700%2C433&#038;ssl=1\" sizes=\"(max-width: 1687px) 100vw, 1687px\" srcset=\"https:\/\/i0.wp.com\/www.dianeosis.org\/wp-content\/uploads\/2019\/11\/pisa2015_synopsi-v10-2-1.png?resize=700%2C433&#038;ssl=1 1687w, https:\/\/www.dianeosis.org\/wp-content\/uploads\/2019\/11\/pisa2015_synopsi-v10-2-1-768x475.png 768w, https:\/\/www.dianeosis.org\/wp-content\/uploads\/2019\/11\/pisa2015_synopsi-v10-2-1-1200x743.png 1200w, https:\/\/www.dianeosis.org\/wp-content\/uploads\/2019\/11\/pisa2015_synopsi-v10-2-1-580x359.png 580w\" alt=\"\" width=\"700\" height=\"433\" data-recalc-dims=\"1\" \/><\/p>\n<\/div>\n<p>\u03a3\u03c4\u03bf\u03bd \u03c0\u03af\u03bd\u03b1\u03ba\u03b1\u00a0<a href=\"https:\/\/www.dianeosis.org\/wp-content\/uploads\/2019\/11\/pisa2015_pinakas-1-parartima-v2.pdf\" target=\"_blank\" rel=\"noopener noreferrer\">\u03c0\u03bf\u03c5 \u03b8\u03b1 \u03b2\u03c1\u03b5\u03af\u03c4\u03b5 \u03b5\u03b4\u03ce<\/a>\u00a0(PDF) \u03bc\u03c0\u03bf\u03c1\u03b5\u03af\u03c4\u03b5 \u03bd\u03b1 \u03b4\u03b5\u03af\u03c4\u03b5 \u03c4\u03b1 \u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03ad\u03c3\u03bc\u03b1\u03c4\u03b1 \u03cc\u03bb\u03c9\u03bd \u03c4\u03c9\u03bd \u03c7\u03c9\u03c1\u03ce\u03bd \u03b3\u03b9\u03b1 \u03c4\u03bf 2015. \u0393\u03af\u03bd\u03b5\u03c4\u03b1\u03b9 \u03c3\u03b1\u03c6\u03ad\u03c2 \u03cc\u03c4\u03b9 \u03ba\u03ac\u03c0\u03bf\u03b9\u03b5\u03c2 \u03c7\u03ce\u03c1\u03b5\u03c2 \u03c4\u03b1 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target=\"_blank\" rel=\"noopener noreferrer\">\u03c3\u03b5 \u03b1\u03c5\u03c4\u03cc\u03bd \u03c4\u03bf\u03bd \u03c0\u03af\u03bd\u03b1\u03ba\u03b1<\/a>\u00a0(PDF). \u038c\u03c0\u03c9\u03c2 \u03b3\u03c1\u03ac\u03c6\u03bf\u03c5\u03bd \u03bf\u03b9 \u03b5\u03c1\u03b5\u03c5\u03bd\u03b7\u03c4\u03ad\u03c2, \u03bf\u03b9 \u03bc\u03b1\u03b8\u03b7\u03c4\u03ad\u03c2 \u03c0\u03bf\u03c5 \u03bc\u03b5 \u03c4\u03b7\u03bd \u03b5\u03c0\u03af\u03b4\u03bf\u03c3\u03ae \u03c4\u03bf\u03c5\u03c2 \u03c3\u03c4\u03b7\u03bd \u03b5\u03be\u03ad\u03c4\u03b1\u03c3\u03b7 \u03c4\u03c9\u03bd \u03c6\u03c5\u03c3\u03b9\u03ba\u03ce\u03bd \u03b5\u03c0\u03b9\u03c3\u03c4\u03b7\u03bc\u03ce\u03bd \u03c0\u03b1\u03af\u03c1\u03bd\u03bf\u03c5\u03bd<strong>\u00a0\u03b2\u03b1\u03b8\u03bc\u03cc \u03c0\u03ac\u03bd\u03c9 \u03b1\u03c0\u03cc 708<\/strong>, \u03ba\u03b1\u03b9 \u03b5\u03c0\u03bf\u03bc\u03ad\u03bd\u03c9\u03c2 \u03ba\u03b1\u03c4\u03b1\u03c4\u03ac\u03c3\u03c3\u03bf\u03bd\u03c4\u03b1\u03b9 \u03c3\u03c4\u03b7 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\u03c0\u03bf\u03bb\u03cd\u03c0\u03bb\u03bf\u03ba\u03c9\u03bd \u03c0\u03b5\u03b9\u03c1\u03b1\u03bc\u03ac\u03c4\u03c9\u03bd, \u03b5\u03c1\u03b5\u03c5\u03bd\u03ce\u03bd \u03ba\u03b1\u03b9 \u03c0\u03c1\u03bf\u03c3\u03bf\u03bc\u03bf\u03b9\u03ce\u03c3\u03b5\u03c9\u03bd \u03ba\u03b1\u03b9 \u03bd\u03b1 \u03b1\u03b9\u03c4\u03b9\u03bf\u03bb\u03bf\u03b3\u03ae\u03c3\u03bf\u03c5\u03bd \u03c4\u03b9\u03c2 \u03b5\u03c0\u03b9\u03bb\u03bf\u03b3\u03ad\u03c2 \u03c4\u03bf\u03c5\u03c2<\/strong>\u201d. \u03a3\u03c7\u03b7\u03bc\u03b1\u03c4\u03b9\u03ba\u03ac \u03bc\u03c0\u03bf\u03c1\u03bf\u03cd\u03bc\u03b5 \u03bd\u03b1 \u03c0\u03bf\u03cd\u03bc\u03b5 \u03cc\u03c4\u03b9 \u03b2\u03b1\u03b8\u03bc\u03af\u03b4\u03b5\u03c2 5 \u03ba\u03b1\u03b9 6 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b1\u03c5\u03c4\u03ad\u03c2 \u03c0\u03bf\u03c5 \u03c0\u03b5\u03c1\u03b9\u03bb\u03b1\u03bc\u03b2\u03ac\u03bd\u03bf\u03c5\u03bd \u03c4\u03bf\u03c5\u03c2 \u00ab\u03c0\u03bf\u03bb\u03cd \u03ba\u03b1\u03bb\u03bf\u03cd\u03c2\u00bb \u03bc\u03b1\u03b8\u03b7\u03c4\u03ad\u03c2, \u03ba\u03b1\u03b9 \u03bc\u03ac\u03bb\u03b9\u03c3\u03c4\u03b1 \u03cc\u03c7\u03b9 \u03b1\u03c0\u03b1\u03c1\u03b1\u03af\u03c4\u03b7\u03c4\u03b1 \u03b1\u03c5\u03c4\u03bf\u03cd\u03c2 \u03c0\u03bf\u03c5 \u03b5\u03af\u03bd\u03b1\u03b9 \u03ba\u03b1\u03bb\u03bf\u03af \u03c3\u03c4\u03b1 \u03bc\u03b1\u03b8\u03ae\u03bc\u03b1\u03c4\u03b1 \u03c4\u03bf\u03c5 \u03c3\u03c7\u03bf\u03bb\u03b5\u03af\u03bf\u03c5 (\u03c3\u03c4\u03b9\u03c2 \u03b2\u03b1\u03b8\u03bc\u03af\u03b4\u03b5\u03c2 \u03b1\u03c5\u03c4\u03ad\u03c2 \u03bc\u03c0\u03bf\u03c1\u03bf\u03cd\u03bd \u03bd\u03b1 \u03b2\u03c1\u03b5\u03b8\u03bf\u03cd\u03bd \u03ba\u03b1\u03b9 \u03bc\u03b1\u03b8\u03b7\u03c4\u03ad\u03c2 \u03c0\u03bf\u03c5 \u03b4\u03b5\u03bd \u03c4\u03b1 \u03c0\u03b7\u03b3\u03b1\u03af\u03bd\u03bf\u03c5\u03bd \u03ba\u03b1\u03bb\u03ac \u03c3\u03c4\u03bf \u03c3\u03c7\u03bf\u03bb\u03b5\u03af\u03bf) \u03b1\u03bb\u03bb\u03ac \u03bc\u03cc\u03bd\u03bf \u03b1\u03c5\u03c4\u03bf\u03cd\u03c2 \u03c0\u03bf\u03c5 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b5\u03be\u03b1\u03b9\u03c1\u03b5\u03c4\u03b9\u03ba\u03ac \u03b9\u03ba\u03b1\u03bd\u03bf\u03af \u03c3\u03c4\u03b1 \u03b8\u03ad\u03bc\u03b1\u03c4\u03b1 \u03c0\u03bf\u03c5 \u03b4\u03b9\u03b5\u03c1\u03b5\u03c5\u03bd\u03ac \u03b7 \u03b5\u03be\u03ad\u03c4\u03b1\u03c3\u03b7 \u03c4\u03bf\u03c5 PISA.<\/p>\n<p><strong>\u03a4\u03bf \u03b2\u03b1\u03c3\u03b9\u03ba\u03cc \u03b5\u03c0\u03af\u03c0\u03b5\u03b4\u03bf \u03b5\u03b3\u03b3\u03c1\u03b1\u03bc\u03bc\u03b1\u03c4\u03b9\u03c3\u03bc\u03bf\u03cd, \u03c0\u03ac\u03bd\u03c4\u03c9\u03c2, \u03b8\u03b5\u03c9\u03c1\u03b5\u03af\u03c4\u03b1\u03b9 \u03c4\u03bf \u03b5\u03c0\u03af\u03c0\u03b5\u03b4\u03bf 2<\/strong>. \u201c\u039f\u03b9 \u03bc\u03b1\u03b8\u03b7\u03c4\u03ad\u03c2 \u03c0\u03bf\u03c5 \u03b1\u03bd\u03ae\u03ba\u03bf\u03c5\u03bd \u03c3\u03b5 \u03b1\u03c5\u03c4\u03cc\u201d, \u03b3\u03c1\u03ac\u03c6\u03bf\u03c5\u03bd \u03bf\u03b9 \u03b5\u03c1\u03b5\u03c5\u03bd\u03b7\u03c4\u03ad\u03c2, \u201c\u03bc\u03c0\u03bf\u03c1\u03bf\u03cd\u03bd \u03bd\u03b1 \u03b1\u03bd\u03c4\u03b9\u03bc\u03b5\u03c4\u03c9\u03c0\u03af\u03c3\u03bf\u03c5\u03bd \u03c4\u03b9\u03c2 \u03c0\u03c1\u03bf\u03ba\u03bb\u03ae\u03c3\u03b5\u03b9\u03c2 \u03c4\u03b7\u03c2 \u03c3\u03cd\u03b3\u03c7\u03c1\u03bf\u03bd\u03b7\u03c2 \u03ba\u03bf\u03b9\u03bd\u03c9\u03bd\u03b9\u03ba\u03ae\u03c2, \u03c0\u03bf\u03bb\u03b9\u03c4\u03b9\u03ba\u03ae\u03c2 \u03ba\u03b1\u03b9 \u03bf\u03b9\u03ba\u03bf\u03bd\u03bf\u03bc\u03b9\u03ba\u03ae\u03c2 \u03b6\u03c9\u03ae\u03c2\u201d. \u038c\u03c3\u03bf\u03b9 \u03b5\u03af\u03bd\u03b1\u03b9 \u03c0\u03b1\u03c1\u03b1\u03ba\u03ac\u03c4\u03c9, \u03b4\u03b5\u03bd \u03bc\u03c0\u03bf\u03c1\u03bf\u03cd\u03bd.\u00a0<strong>\u0397<\/strong>\u00a0<strong>\u03c7\u03ce\u03c1\u03b1 \u03bc\u03b1\u03c2, \u03c3\u03cd\u03bc\u03c6\u03c9\u03bd\u03b1 \u03bc\u03b5 \u03c4\u03bf\u03bd \u03bc\u03ad\u03c3\u03bf \u03cc\u03c1\u03bf \u03c4\u03b7\u03c2 \u03b5\u03c0\u03af\u03b4\u03bf\u03c3\u03b7\u03c2 \u03c4\u03c9\u03bd \u03bc\u03b1\u03b8\u03b7\u03c4\u03ce\u03bd<\/strong>\u00a0<strong>\u03c4\u03b7\u03c2 \u03ba\u03b1\u03b9 \u03c3\u03c4\u03b1 \u03c4\u03c1\u03af\u03b1 \u03b8\u03ad\u03bc\u03b1\u03c4\u03b1 \u03c4\u03b7\u03c2 \u03b5\u03be\u03ad\u03c4\u03b1\u03c3\u03b7\u03c2, \u03ba\u03b1\u03c4\u03b1\u03c4\u03ac\u03c3\u03c3\u03b5\u03c4\u03b1\u03b9 \u03c3\u03c4\u03bf<\/strong>\u00a0<strong>\u03b5\u03c0\u03af\u03c0\u03b5\u03b4\u03bf 2<\/strong>.\u00a0<strong>\u0388\u03bd\u03b1 \u03c0\u03bf\u03bb\u03cd \u03bc\u03b5\u03b3\u03ac\u03bb\u03bf \u03c0\u03bf\u03c3\u03bf\u03c3\u03c4\u03cc \u03c4\u03c9\u03bd \u03bc\u03b1\u03b8\u03b7\u03c4\u03ce\u03bd \u03c4\u03b7\u03c2 \u03cc\u03bc\u03c9\u03c2 \u03b2\u03c1\u03af\u03c3\u03ba\u03b5\u03c4\u03b1\u03b9 \u03c3\u03c4\u03b7\u03bd \u03b2\u03b1\u03b8\u03bc\u03af\u03b4\u03b1 1<\/strong>\u00a0(\u03c0\u03bf\u03c5 \u03c7\u03c9\u03c1\u03af\u03b6\u03b5\u03c4\u03b1\u03b9 \u03c3\u03c4\u03b9\u03c2 \u03c5\u03c0\u03bf\u03ba\u03b1\u03c4\u03b7\u03b3\u03bf\u03c1\u03af\u03b5\u03c2 1a \u03ba\u03b1\u03b9 1b) \u03ae \u03ba\u03b1\u03b9 \u03ba\u03ac\u03c4\u03c9 \u03b1\u03c0\u03cc \u03b1\u03c5\u03c4\u03ae\u03bd.<\/p>\n<p>\u0391\u03c5\u03c4\u03bf\u03af \u03b5\u03af\u03bd\u03b1\u03b9 \u03bf\u03b9 \u03bc\u03b1\u03b8\u03b7\u03c4\u03ad\u03c2 \u03c0\u03bf\u03c5\u00a0<strong>\u03b4\u03b5\u03bd \u03ad\u03c7\u03bf\u03c5\u03bd \u03b5\u03c0\u03b1\u03c1\u03ba\u03b5\u03af\u03c2 \u03b3\u03bd\u03ce\u03c3\u03b5\u03b9\u03c2 \u03ba\u03b1\u03b9 \u03b9\u03ba\u03b1\u03bd\u03cc\u03c4\u03b7\u03c4\u03b5\u03c2 \u03b3\u03b9\u03b1 \u03bd\u03b1 \u03b1\u03bd\u03c4\u03b1\u03c0\u03b5\u03be\u03ad\u03bb\u03b8\u03bf\u03c5\u03bd \u03c3\u03c4\u03b1 \u03b8\u03ad\u03bc\u03b1\u03c4\u03b1 \u03c4\u03b7\u03c2 \u03b1\u03be\u03b9\u03bf\u03bb\u03cc\u03b3\u03b7\u03c3\u03b7\u03c2 \u03c4\u03bf\u03c5 \u03c0\u03c1\u03bf\u03b3\u03c1\u03ac\u03bc\u03bc\u03b1\u03c4\u03bf\u03c2 \u03ba\u03b1\u03b9, \u03ba\u03b1\u03c4\u2019 \u03b5\u03c0\u03ad\u03ba\u03c4\u03b1\u03c3\u03b7, \u03c3\u03b5 \u03c0\u03bf\u03bb\u03bb\u03ad\u03c2 \u03b1\u03c0\u03cc \u03c4\u03b9\u03c2 \u03b1\u03c0\u03b1\u03b9\u03c4\u03ae\u03c3\u03b5\u03b9\u03c2 \u03c4\u03c9\u03bd \u03c3\u03cd\u03b3\u03c7\u03c1\u03bf\u03bd\u03c9\u03bd \u03ba\u03bf\u03b9\u03bd\u03c9\u03bd\u03b9\u03ce\u03bd<\/strong>.<\/p>\n<p>\u03a3\u03b5 \u03b1\u03c5\u03c4\u03cc \u03c4\u03bf \u03b3\u03c1\u03b1\u03c6\u03ae\u03bc\u03b1 \u03ba\u03b1\u03b9 \u03c4\u03bf\u03c5\u03c2 \u03c0\u03b1\u03c1\u03b1\u03ba\u03ac\u03c4\u03c9 \u03c0\u03af\u03bd\u03b1\u03ba\u03b5\u03c2 \u03bc\u03c0\u03bf\u03c1\u03b5\u03af\u03c4\u03b5 \u03bd\u03b1 \u03b4\u03b5\u03af\u03c4\u03b5 \u03c4\u03bf\u03c5\u03c2 \u03bc\u03b1\u03b8\u03b7\u03c4\u03ad\u03c2 \u03c0\u03bf\u03c5 \u03b2\u03c1\u03af\u03c3\u03ba\u03bf\u03bd\u03c4\u03b1\u03b9 \u03ba\u03ac\u03c4\u03c9 \u03b1\u03c0\u03cc \u03c4\u03b7 \u03b2\u03b1\u03b8\u03bc\u03af\u03b4\u03b1 2, \u03c4\u03bf\u03c5\u03c2 \u03b1\u03bd\u03b5\u03c0\u03b1\u03c1\u03ba\u03b5\u03af\u03c2 \u03b4\u03b7\u03bb\u03b1\u03b4\u03ae, \u03ba\u03b1\u03b9 \u03c4\u03bf\u03c5\u03c2 \u03bc\u03b1\u03b8\u03b7\u03c4\u03ad\u03c2 \u03c0\u03bf\u03c5 \u03b2\u03c1\u03af\u03c3\u03ba\u03bf\u03bd\u03c4\u03b1\u03b9 \u03c3\u03c4\u03b9\u03c2 \u03ba\u03b1\u03c4\u03b7\u03b3\u03bf\u03c1\u03af\u03b5\u03c2 5 \u03ba\u03b1\u03b9 6, \u03c4\u03bf\u03c5\u03c2 \u03ba\u03bf\u03c1\u03c5\u03c6\u03b1\u03af\u03bf\u03c5\u03c2, \u03c3\u03c4\u03b9\u03c2 \u03c7\u03ce\u03c1\u03b5\u03c2 \u03c0\u03bf\u03c5 \u03c3\u03c5\u03b3\u03ba\u03c1\u03af\u03bd\u03bf\u03c5\u03bc\u03b5 \u03ba\u03b1\u03b9 \u03c3\u03c4\u03b1 \u03c4\u03c1\u03af\u03b1 \u03bc\u03b1\u03b8\u03ae\u03bc\u03b1\u03c4\u03b1.<\/p>\n<div class=\"large-image-container\">\n<p><img decoding=\"async\" loading=\"lazy\" class=\"size-full wp-image-20575 image-outside-container aligncenter\" src=\"https:\/\/i0.wp.com\/www.dianeosis.org\/wp-content\/uploads\/2019\/11\/pisa2015_synopsi-v9-1-1.png?resize=700%2C475&#038;ssl=1\" sizes=\"(max-width: 1623px) 100vw, 1623px\" srcset=\"https:\/\/i0.wp.com\/www.dianeosis.org\/wp-content\/uploads\/2019\/11\/pisa2015_synopsi-v9-1-1.png?resize=700%2C475&#038;ssl=1 1623w, https:\/\/www.dianeosis.org\/wp-content\/uploads\/2019\/11\/pisa2015_synopsi-v9-1-1-768x521.png 768w, https:\/\/www.dianeosis.org\/wp-content\/uploads\/2019\/11\/pisa2015_synopsi-v9-1-1-1200x815.png 1200w, https:\/\/www.dianeosis.org\/wp-content\/uploads\/2019\/11\/pisa2015_synopsi-v9-1-1-580x394.png 580w\" alt=\"\" width=\"700\" height=\"475\" data-recalc-dims=\"1\" \/><\/p>\n<\/div>\n<div class=\"large-image-container\">\n<p><img decoding=\"async\" loading=\"lazy\" class=\"size-full wp-image-20577 image-outside-container aligncenter\" src=\"https:\/\/i0.wp.com\/www.dianeosis.org\/wp-content\/uploads\/2019\/11\/pisa2015_synopsi-v9-8-1.png?resize=700%2C233&#038;ssl=1\" sizes=\"(max-width: 1612px) 100vw, 1612px\" srcset=\"https:\/\/i0.wp.com\/www.dianeosis.org\/wp-content\/uploads\/2019\/11\/pisa2015_synopsi-v9-8-1.png?resize=700%2C233&#038;ssl=1 1612w, https:\/\/www.dianeosis.org\/wp-content\/uploads\/2019\/11\/pisa2015_synopsi-v9-8-1-768x255.png 768w, https:\/\/www.dianeosis.org\/wp-content\/uploads\/2019\/11\/pisa2015_synopsi-v9-8-1-1200x399.png 1200w, https:\/\/www.dianeosis.org\/wp-content\/uploads\/2019\/11\/pisa2015_synopsi-v9-8-1-580x193.png 580w\" alt=\"\" width=\"700\" height=\"233\" data-recalc-dims=\"1\" \/><\/p>\n<\/div>\n<div class=\"large-image-container\">\n<p><img decoding=\"async\" loading=\"lazy\" class=\"size-full wp-image-20579 image-outside-container aligncenter\" src=\"https:\/\/i0.wp.com\/www.dianeosis.org\/wp-content\/uploads\/2019\/11\/pisa2015_synopsi-v9-9-1.png?resize=700%2C230&#038;ssl=1\" sizes=\"(max-width: 1612px) 100vw, 1612px\" srcset=\"https:\/\/i0.wp.com\/www.dianeosis.org\/wp-content\/uploads\/2019\/11\/pisa2015_synopsi-v9-9-1.png?resize=700%2C230&#038;ssl=1 1612w, https:\/\/www.dianeosis.org\/wp-content\/uploads\/2019\/11\/pisa2015_synopsi-v9-9-1-768x253.png 768w, https:\/\/www.dianeosis.org\/wp-content\/uploads\/2019\/11\/pisa2015_synopsi-v9-9-1-1200x395.png 1200w, https:\/\/www.dianeosis.org\/wp-content\/uploads\/2019\/11\/pisa2015_synopsi-v9-9-1-580x191.png 580w\" alt=\"\" width=\"700\" height=\"230\" data-recalc-dims=\"1\" \/><\/p>\n<\/div>\n<p>\u038c\u03c0\u03c9\u03c2 \u03b3\u03af\u03bd\u03b5\u03c4\u03b1\u03b9 \u03c0\u03c1\u03bf\u03c6\u03b1\u03bd\u03ad\u03c2,\u00a0<strong>\u03c4\u03bf \u03c0\u03bf\u03c3\u03bf\u03c3\u03c4\u03cc \u03c4\u03c9\u03bd \u00ab\u03c0\u03bf\u03bb\u03cd \u03ba\u03b1\u03bb\u03ce\u03bd\u00bb \u03c3\u03c4\u03b7 \u03c7\u03ce\u03c1\u03b1 \u03bc\u03b1\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 \u03c0\u03ac\u03c1\u03b1 \u03c0\u03bf\u03bb\u03cd \u03c7\u03b1\u03bc\u03b7\u03bb\u03cc<\/strong>\u00a0-\u03bc\u03cc\u03bb\u03b9\u03c2 \u03c4\u03bf 2,1% \u03c4\u03bf\u03c5 \u03c3\u03c5\u03bd\u03cc\u03bb\u03bf\u03c5 \u03c3\u03c4\u03b9\u03c2 \u03c6\u03c5\u03c3\u03b9\u03ba\u03ad\u03c2 \u03b5\u03c0\u03b9\u03c3\u03c4\u03ae\u03bc\u03b5\u03c2, \u03b3\u03b9\u03b1 \u03c0\u03b1\u03c1\u03ac\u03b4\u03b5\u03b9\u03b3\u03bc\u03b1. \u03a4\u03bf \u03b1\u03bd\u03c4\u03af\u03c3\u03c4\u03bf\u03b9\u03c7\u03bf \u03c0\u03bf\u03c3\u03bf\u03c3\u03c4\u03cc \u03c3\u03c4\u03b9\u03c2 \u03c7\u03ce\u03c1\u03b5\u03c2 \u03c4\u03bf\u03c5 \u039f\u039f\u03a3\u0391 \u03b5\u03af\u03bd\u03b1\u03b9 7,7%, \u03c3\u03c4\u03b7\u03bd \u0395\u03c3\u03b8\u03bf\u03bd\u03af\u03b1 13,5% \u03ba\u03b1\u03b9 \u03c3\u03c4\u03b7 \u03a3\u03b9\u03b3\u03ba\u03b1\u03c0\u03bf\u03cd\u03c1\u03b7 \u03c4\u03bf \u03b9\u03bb\u03b9\u03b3\u03b3\u03b9\u03ce\u03b4\u03b5\u03c2 24%. \u03a6\u03b1\u03bd\u03c4\u03b1\u03c3\u03c4\u03b5\u03af\u03c4\u03b5: \u03b5\u03ba\u03b5\u03af \u03ad\u03bd\u03b1\u03c2 \u03c3\u03c4\u03bf\u03c5\u03c2 \u03c4\u03ad\u03c3\u03c3\u03b5\u03c1\u03b9\u03c2 \u03bc\u03b1\u03b8\u03b7\u03c4\u03ad\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b5\u03be\u03b1\u03b9\u03c1\u03b5\u03c4\u03b9\u03ba\u03ac \u03c5\u03c8\u03b7\u03bb\u03bf\u03cd \u03b5\u03c0\u03b9\u03c0\u03ad\u03b4\u03bf\u03c5, \u03bc\u03b5 \u03b2\u03b1\u03b8\u03b9\u03ad\u03c2 \u03b3\u03bd\u03ce\u03c3\u03b5\u03b9\u03c2, \u03b1\u03bd\u03b1\u03bb\u03c5\u03c4\u03b9\u03ba\u03ae \u03c3\u03ba\u03ad\u03c8\u03b7 \u03ba\u03b1\u03b9 \u03b5\u03c0\u03b9\u03c3\u03c4\u03b7\u03bc\u03bf\u03bd\u03b9\u03ba\u03ae \u03ba\u03b1\u03c4\u03ac\u03c1\u03c4\u03b9\u03c3\u03b7.<\/p>\n<p>\u03a3\u03c4\u03b7 \u03c7\u03ce\u03c1\u03b1 \u03bc\u03b1\u03c2\u00a0<strong>\u03bc\u03cc\u03bd\u03bf \u03c4\u03bf 0,9% \u03c4\u03c9\u03bd \u03bc\u03b1\u03b8\u03b7\u03c4\u03ce\u03bd \u03ba\u03b1\u03c4\u03cc\u03c1\u03b8\u03c9\u03c3\u03b1\u03bd \u03bd\u03b1 \u03b2\u03c1\u03b5\u03b8\u03bf\u03cd\u03bd \u03c3\u03c4\u03b9\u03c2 \u03b4\u03cd\u03bf \u03b1\u03bd\u03ce\u03c4\u03b5\u03c1\u03b5\u03c2 \u03b2\u03b1\u03b8\u03bc\u03af\u03b4\u03b5\u03c2 \u03ba\u03b1\u03b9 \u03c3\u03c4\u03b1 \u03c4\u03c1\u03af\u03b1 \u03b8\u03ad\u03bc\u03b1\u03c4\u03b1 \u03c0\u03bf\u03c5 \u03b5\u03be\u03b5\u03c4\u03ac\u03c3\u03c4\u03b7\u03ba\u03b1\u03bd<\/strong>.<\/p>\n<div class=\"large-image-container\">\n<p><img decoding=\"async\" loading=\"lazy\" class=\"size-full wp-image-20581 image-outside-container aligncenter\" src=\"https:\/\/i0.wp.com\/www.dianeosis.org\/wp-content\/uploads\/2019\/11\/pisa2015_synopsi-v9-3-1.png?resize=700%2C485&#038;ssl=1\" sizes=\"(max-width: 1530px) 100vw, 1530px\" srcset=\"https:\/\/i0.wp.com\/www.dianeosis.org\/wp-content\/uploads\/2019\/11\/pisa2015_synopsi-v9-3-1.png?resize=700%2C485&#038;ssl=1 1530w, https:\/\/www.dianeosis.org\/wp-content\/uploads\/2019\/11\/pisa2015_synopsi-v9-3-1-768x532.png 768w, https:\/\/www.dianeosis.org\/wp-content\/uploads\/2019\/11\/pisa2015_synopsi-v9-3-1-1200x831.png 1200w, https:\/\/www.dianeosis.org\/wp-content\/uploads\/2019\/11\/pisa2015_synopsi-v9-3-1-580x402.png 580w\" alt=\"\" width=\"700\" height=\"485\" data-recalc-dims=\"1\" \/><\/p>\n<\/div>\n<p>\u0391\u03bd \u03ba\u03bf\u03b9\u03c4\u03ac\u03be\u03bf\u03c5\u03bc\u03b5, \u03b4\u03b5, \u03c4\u03bf\u03c5\u03c2 \u03bc\u03b1\u03b8\u03b7\u03c4\u03ad\u03c2 \u03c0\u03bf\u03c5 \u03b2\u03c1\u03af\u03c3\u03ba\u03bf\u03bd\u03c4\u03b1\u03b9 \u03c3\u03c4\u03b7\u03bd \u03b1\u03bd\u03ce\u03c4\u03b1\u03c4\u03b7 \u03ba\u03b1\u03c4\u03b7\u03b3\u03bf\u03c1\u03af\u03b1, \u03c4\u03b7 \u03b2\u03b1\u03b8\u03bc\u03af\u03b4\u03b1 6, \u03c4\u03bf\u03c5\u03c2 \u03ba\u03b1\u03bb\u03cd\u03c4\u03b5\u03c1\u03bf\u03c5\u03c2 \u03c4\u03c9\u03bd \u03ba\u03b1\u03bb\u03cd\u03c4\u03b5\u03c1\u03c9\u03bd, \u03c4\u03cc\u03c4\u03b5 \u03bf\u03b9 \u03b1\u03c1\u03b9\u03b8\u03bc\u03bf\u03af \u03b3\u03af\u03bd\u03bf\u03bd\u03c4\u03b1\u03b9 \u03c0\u03c1\u03b1\u03b3\u03bc\u03b1\u03c4\u03b9\u03ba\u03ac \u03c0\u03bf\u03bb\u03cd \u03bc\u03b9\u03ba\u03c1\u03bf\u03af. \u039c\u03cc\u03bb\u03b9\u03c2 \u03c4\u03bf\u00a0<strong>0,5% \u03c4\u03c9\u03bd \u0395\u03bb\u03bb\u03ae\u03bd\u03c9\u03bd \u03bc\u03b1\u03b8\u03b7\u03c4\u03ce\u03bd \u03b5\u03af\u03bd\u03b1\u03b9 \u03c3\u03c4\u03b7 \u03b2\u03b1\u03b8\u03bc\u03af\u03b4\u03b1 6 \u03c3\u03c4\u03b1 \u03bc\u03b1\u03b8\u03b7\u03bc\u03b1\u03c4\u03b9\u03ba\u03ac<\/strong>. \u039c\u03cc\u03bd\u03bf\u00a0<strong>\u03c4\u03bf 0,3% \u03c4\u03c9\u03bd \u03bc\u03b1\u03b8\u03b7\u03c4\u03ce\u03bd \u03c3\u03c4\u03b7\u03bd \u03ba\u03b1\u03c4\u03b1\u03bd\u03cc\u03b7\u03c3\u03b7 \u03ba\u03b5\u03b9\u03bc\u03ad\u03bd\u03bf\u03c5<\/strong>. \u039a\u03b9 \u03cc\u03c3\u03bf \u03b3\u03b9\u03b1 \u03c4\u03b9\u03c2\u00a0<strong>\u03c6\u03c5\u03c3\u03b9\u03ba\u03ad\u03c2 \u03b5\u03c0\u03b9\u03c3\u03c4\u03ae\u03bc\u03b5\u03c2<\/strong>; \u039c\u03cc\u03bd\u03bf \u03c4\u03bf\u00a0<strong>0,1% \u03c4\u03c9\u03bd 5.500 \u03bc\u03b1\u03b8\u03b7\u03c4\u03ce\u03bd<\/strong>\u00a0\u03c0\u03bf\u03c5 \u03c3\u03c5\u03bc\u03bc\u03b5\u03c4\u03b5\u03af\u03c7\u03b1\u03bd \u03c3\u03c4\u03b7\u03bd \u03b5\u03be\u03ad\u03c4\u03b1\u03c3\u03b7 \u03ba\u03b1\u03c4\u03ac\u03c6\u03b5\u03c1\u03b1\u03bd \u03bd\u03b1 \u03ba\u03b1\u03c4\u03b1\u03c4\u03b1\u03b3\u03bf\u03cd\u03bd \u03c3\u03c4\u03b7\u03bd \u03b1\u03bd\u03ce\u03c4\u03b1\u03c4\u03b7 \u03b2\u03b1\u03b8\u03bc\u03af\u03b4\u03b1. \u03a0\u03ad\u03bd\u03c4\u03b5 (\u03ae \u03ad\u03be\u03b9) \u03c0\u03b1\u03b9\u03b4\u03b9\u03ac.<\/p>\n<p>\u0391\u03c0\u03cc \u03c4\u03b7\u03bd \u03ac\u03bb\u03bb\u03b7,\u00a0<strong>\u03c4\u03bf \u03c0\u03bf\u03c3\u03bf\u03c3\u03c4\u03cc \u03c4\u03c9\u03bd \u03bc\u03b1\u03b8\u03b7\u03c4\u03ce\u03bd \u03c0\u03bf\u03bb\u03cd \u03c7\u03b1\u03bc\u03b7\u03bb\u03ce\u03bd \u03b5\u03c0\u03b9\u03b4\u03cc\u03c3\u03b5\u03c9\u03bd \u03c3\u03c4\u03b7 \u03c7\u03ce\u03c1\u03b1 \u03bc\u03b1\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 \u03c0\u03ac\u03c1\u03b1 \u03c0\u03bf\u03bb\u03cd \u03c5\u03c8\u03b7\u03bb\u03cc<\/strong>. \u03a4\u03bf\u00a0<strong>32,7% \u03c4\u03c9\u03bd \u03bc\u03b1\u03b8\u03b7\u03c4\u03ce\u03bd \u03c3\u03c4\u03b9\u03c2 \u03c6\u03c5\u03c3\u03b9\u03ba\u03ad\u03c2 \u03b5\u03c0\u03b9\u03c3\u03c4\u03ae\u03bc\u03b5\u03c2, \u03c4\u03bf 27,3% \u03c3\u03c4\u03b7\u03bd \u03ba\u03b1\u03c4\u03b1\u03bd\u03cc\u03b7\u03c3\u03b7 \u03ba\u03b5\u03b9\u03bc\u03ad\u03bd\u03bf\u03c5 \u03ba\u03b1\u03b9 \u03c4\u03bf 35,8% \u03c3\u03c4\u03b1 \u03bc\u03b1\u03b8\u03b7\u03bc\u03b1\u03c4\u03b9\u03ba\u03ac \u03b4\u03b5\u03bd \u03ad\u03c7\u03bf\u03c5\u03bd \u03bf\u03cd\u03c4\u03b5 \u03c4\u03b9\u03c2 \u03b2\u03b1\u03c3\u03b9\u03ba\u03ad\u03c2 \u03b3\u03bd\u03ce\u03c3\u03b5\u03b9\u03c2 \u03ba\u03b1\u03b9 \u03b4\u03b5\u03bd \u03bc\u03c0\u03bf\u03c1\u03bf\u03cd\u03bd \u03bd\u03b1 \u03b1\u03bd\u03c4\u03b1\u03c0\u03b5\u03be\u03ad\u03bb\u03b8\u03bf\u03c5\u03bd \u03b9\u03ba\u03b1\u03bd\u03bf\u03c0\u03bf\u03b9\u03b7\u03c4\u03b9\u03ba\u03ac \u03bf\u03cd\u03c4\u03b5 \u03c3\u03c4\u03b1 \u03c0\u03b9\u03bf \u03b1\u03c0\u03bb\u03ac \u03c0\u03c1\u03bf\u03b2\u03bb\u03ae\u03bc\u03b1\u03c4\u03b1<\/strong>. \u039a\u03b1\u03b9 \u03c3\u03c4\u03b1 \u03c4\u03c1\u03af\u03b1 \u03b8\u03ad\u03bc\u03b1\u03c4\u03b1 \u03c4\u03bf \u03b1\u03bd\u03c4\u03af\u03c3\u03c4\u03bf\u03b9\u03c7\u03bf \u03c0\u03bf\u03c3\u03bf\u03c3\u03c4\u03cc \u03c3\u03c4\u03b7\u03bd \u0395\u03c3\u03b8\u03bf\u03bd\u03af\u03b1 \u03ba\u03c5\u03bc\u03b1\u03af\u03bd\u03b5\u03c4\u03b1\u03b9 \u03b1\u03bd\u03ac\u03bc\u03b5\u03c3\u03b1 \u03c3\u03c4\u03bf 9% \u03ba\u03b1\u03b9 \u03c4\u03bf 11%, \u03b5\u03bd\u03ce \u03ba\u03b1\u03b9 \u03c3\u03c4\u03b9\u03c2 \u03c0\u03b5\u03c1\u03b9\u03c3\u03c3\u03cc\u03c4\u03b5\u03c1\u03b5\u03c2 \u03ac\u03bb\u03bb\u03b5\u03c2 \u03b5\u03c5\u03c1\u03c9\u03c0\u03b1\u03ca\u03ba\u03ad\u03c2 \u03c7\u03ce\u03c1\u03b5\u03c2 -\u03b1\u03bb\u03bb\u03ac \u03ba\u03b1\u03b9 \u03c3\u03c4\u03bf\u03bd \u03bc\u03ad\u03c3\u03bf \u03cc\u03c1\u03bf \u03c4\u03bf\u03c5 \u039f\u039f\u03a3\u0391- \u03c4\u03b1 \u03c0\u03bf\u03c3\u03bf\u03c3\u03c4\u03ac \u03b5\u03af\u03bd\u03b1\u03b9 \u03c3\u03b7\u03bc\u03b1\u03bd\u03c4\u03b9\u03ba\u03ac \u03c7\u03b1\u03bc\u03b7\u03bb\u03cc\u03c4\u03b5\u03c1\u03b1 \u03b1\u03c0\u03cc \u03cc,\u03c4\u03b9 \u03c3\u03c4\u03b7 \u03b4\u03b9\u03ba\u03ae \u03bc\u03b1\u03c2.<\/p>\n<p>\u03a4\u03ad\u03bb\u03bf\u03c2, \u03c0\u03bf\u03bb\u03cd \u03bc\u03b5\u03b3\u03ac\u03bb\u03bf \u03b5\u03af\u03bd\u03b1\u03b9 \u03ba\u03b1\u03b9 \u03c4\u03bf \u03c0\u03bf\u03c3\u03bf\u03c3\u03c4\u03cc \u03c4\u03c9\u03bd \u03c0\u03b1\u03b9\u03b4\u03b9\u03ce\u03bd \u03c0\u03bf\u03c5 \u03b4\u03b5\u03bd \u03c4\u03b1 \u03c0\u03b7\u03b3\u03b1\u03af\u03bd\u03bf\u03c5\u03bd \u03ba\u03b1\u03bb\u03ac \u03c3\u03b5 \u03c4\u03af\u03c0\u03bf\u03c4\u03b5.\u00a0<strong>\u0388\u03bd\u03b1\u03c2 \u03c3\u03c4\u03bf\u03c5\u03c2 5 \u0388\u03bb\u03bb\u03b7\u03bd\u03b5\u03c2 \u03bc\u03b1\u03b8\u03b7\u03c4\u03ad\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 \u03c3\u03c4\u03b7\u03bd \u03ba\u03b1\u03c4\u03ce\u03c4\u03b1\u03c4\u03b7 \u03ba\u03b1\u03c4\u03b7\u03b3\u03bf\u03c1\u03af\u03b1 \u03c3\u03b5 \u03cc\u03bb\u03b1 \u03c4\u03b1 \u03b8\u03ad\u03bc\u03b1\u03c4\u03b1<\/strong>.<\/p>\n<div class=\"large-image-container\">\n<p><img data-attachment-id=\"20583\" data-permalink=\"https:\/\/omathimatikos.gr\/?attachment_id=20583\" data-orig-file=\"https:\/\/i0.wp.com\/omathimatikos.gr\/wp-content\/uploads\/2017\/11\/28-17.jpg?fit=702%2C411&amp;ssl=1\" data-orig-size=\"702,411\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"28-17\" data-image-description=\"\" data-image-caption=\"\" data-medium-file=\"https:\/\/i0.wp.com\/omathimatikos.gr\/wp-content\/uploads\/2017\/11\/28-17.jpg?fit=350%2C205&amp;ssl=1\" data-large-file=\"https:\/\/i0.wp.com\/omathimatikos.gr\/wp-content\/uploads\/2017\/11\/28-17.jpg?fit=523%2C306&amp;ssl=1\" decoding=\"async\" loading=\"lazy\" class=\"size-full wp-image-20583 image-outside-container aligncenter\" src=\"https:\/\/i0.wp.com\/www.dianeosis.org\/wp-content\/uploads\/2019\/11\/pisa2015_synopsi-v10-4.png?resize=700%2C495&#038;ssl=1\" sizes=\"(max-width: 1529px) 100vw, 1529px\" srcset=\"https:\/\/i0.wp.com\/www.dianeosis.org\/wp-content\/uploads\/2019\/11\/pisa2015_synopsi-v10-4.png?resize=700%2C495&#038;ssl=1 1529w, https:\/\/www.dianeosis.org\/wp-content\/uploads\/2019\/11\/pisa2015_synopsi-v10-4-768x543.png 768w, https:\/\/www.dianeosis.org\/wp-content\/uploads\/2019\/11\/pisa2015_synopsi-v10-4-1200x848.png 1200w, https:\/\/www.dianeosis.org\/wp-content\/uploads\/2019\/11\/pisa2015_synopsi-v10-4-580x410.png 580w\" alt=\"\" width=\"700\" height=\"495\" data-recalc-dims=\"1\" \/><\/p>\n<\/div>\n<h3><strong>3. \u03a4\u03b9 \u03bb\u03ad\u03bd\u03b5 \u03bf\u03b9 \u03b4\u03b9\u03b5\u03c5\u03b8\u03c5\u03bd\u03c4\u03ad\u03c2, \u03c0\u03ce\u03c2 \u03b6\u03bf\u03c5\u03bd \u03bf\u03b9 \u03bc\u03b1\u03b8\u03b7\u03c4\u03ad\u03c2;<\/strong><\/h3>\n<p><span class=\"dropcap\">\u038c<\/span>\u03c0\u03c9\u03c2 \u03c4\u03bf\u03bd\u03af\u03c3\u03b1\u03bc\u03b5 \u03c3\u03c4\u03b7\u03bd \u03b1\u03c1\u03c7\u03ae, \u03c0\u03ad\u03c1\u03b1 \u03b1\u03c0\u03cc \u03c4\u03b1 \u03c0\u03bf\u03bb\u03cd \u03c7\u03c1\u03ae\u03c3\u03b9\u03bc\u03b1 \u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03ad\u03c3\u03bc\u03b1\u03c4\u03b1 \u03c4\u03b7\u03c2 \u03b1\u03be\u03b9\u03bf\u03bb\u03cc\u03b3\u03b7\u03c3\u03b7\u03c2 \u03c4\u03c9\u03bd \u03c0\u03b1\u03b9\u03b4\u03b9\u03ce\u03bd, \u03b7 PISA \u03bc\u03b1\u03c2 \u03c0\u03c1\u03bf\u03c3\u03c6\u03ad\u03c1\u03b5\u03b9 \u03ba\u03b1\u03b9 \u03c0\u03bb\u03bf\u03cd\u03c3\u03b9\u03b1 \u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03ad\u03c3\u03bc\u03b1\u03c4\u03b1 \u03b1\u03c0\u03cc \u03c4\u03b9\u03c2 \u03b4\u03cd\u03bf \u03ac\u03bb\u03bb\u03b5\u03c2 \u03ad\u03c1\u03b5\u03c5\u03bd\u03b5\u03c2 \u03c0\u03bf\u03c5 \u03c5\u03bb\u03bf\u03c0\u03bf\u03b9\u03bf\u03cd\u03bd\u03c4\u03b1\u03b9 \u03c0\u03b1\u03c1\u03ac\u03bb\u03bb\u03b7\u03bb\u03b1: \u03c4\u03b7\u03bd \u03ad\u03c1\u03b5\u03c5\u03bd\u03b1 \u03c0\u03bf\u03c5 \u03b1\u03c0\u03b1\u03bd\u03c4\u03bf\u03cd\u03bd \u03bf\u03b9 \u03bc\u03b1\u03b8\u03b7\u03c4\u03ad\u03c2, \u03ba\u03b1\u03b9 \u03b1\u03c5\u03c4\u03ae\u03bd \u03c0\u03bf\u03c5 \u03b1\u03c0\u03b1\u03bd\u03c4\u03bf\u03cd\u03bd \u03bf\u03b9 \u03b4\u03b9\u03b5\u03c5\u03b8\u03c5\u03bd\u03c4\u03ad\u03c2 \u03c4\u03c9\u03bd \u03c3\u03c7\u03bf\u03bb\u03b5\u03af\u03c9\u03bd. \u0398\u03b1 \u03b1\u03bd\u03b1\u03c6\u03ad\u03c1\u03bf\u03c5\u03bc\u03b5 \u03bc\u03b5\u03c1\u03b9\u03ba\u03ac \u03b1\u03c0\u03cc \u03c4\u03b1 \u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03ad\u03c3\u03bc\u03b1\u03c4\u03b1 \u03b5\u03b4\u03ce, \u03c0\u03c1\u03b9\u03bd \u03bc\u03b5\u03bb\u03b5\u03c4\u03ae\u03c3\u03bf\u03c5\u03bc\u03b5 \u03c0\u03ce\u03c2 \u03c3\u03c7\u03b5\u03c4\u03af\u03b6\u03bf\u03bd\u03c4\u03b1\u03b9 \u03bc\u03b5 \u03c4\u03b1 \u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03ad\u03c3\u03bc\u03b1\u03c4\u03b1 \u03c4\u03c9\u03bd \u03bc\u03b1\u03b8\u03b7\u03c4\u03ce\u03bd \u03c3\u03c4\u03b7\u03bd \u03b5\u03be\u03ad\u03c4\u03b1\u03c3\u03b7.<\/p>\n<p>\u039f\u03b9\u00a0<strong>\u03b4\u03b9\u03b5\u03c5\u03b8\u03c5\u03bd\u03c4\u03ad\u03c2 \u03c4\u03c9\u03bd \u03b5\u03bb\u03bb\u03b7\u03bd\u03b9\u03ba\u03ce\u03bd \u03c3\u03c7\u03bf\u03bb\u03b5\u03af\u03c9\u03bd<\/strong>, \u03bb\u03bf\u03b9\u03c0\u03cc\u03bd, \u03b8\u03b5\u03c9\u03c1\u03bf\u03cd\u03bd \u03c0\u03c9\u03c2\u00a0<strong>\u03c4\u03b1 \u03b2\u03b1\u03c3\u03b9\u03ba\u03cc\u03c4\u03b5\u03c1\u03b1 \u03c0\u03c1\u03bf\u03b2\u03bb\u03ae\u03bc\u03b1\u03c4\u03b1<\/strong>\u00a0\u03c0\u03bf\u03c5 \u03b1\u03bd\u03c4\u03b9\u03bc\u03b5\u03c4\u03c9\u03c0\u03af\u03b6\u03bf\u03c5\u03bd \u03c4\u03b1 \u03c3\u03c7\u03bf\u03bb\u03b5\u03af\u03b1 \u03c4\u03bf\u03c5\u03c2 \u03c3\u03c4\u03b7 \u03b4\u03b9\u03b4\u03b1\u03c3\u03ba\u03b1\u03bb\u03af\u03b1 \u03c4\u03c9\u03bd \u03c6\u03c5\u03c3\u03b9\u03ba\u03ce\u03bd \u03b5\u03c0\u03b9\u03c3\u03c4\u03b7\u03bc\u03ce\u03bd \u03b5\u03af\u03bd\u03b1\u03b9 \u03b7\u00a0<strong>\u03b1\u03c0\u03bf\u03c5\u03c3\u03af\u03b1 \u03b5\u03c0\u03b9\u03ba\u03bf\u03c5\u03c1\u03b9\u03ba\u03bf\u03cd \u03c0\u03c1\u03bf\u03c3\u03c9\u03c0\u03b9\u03ba\u03bf\u03cd \u03c3\u03c4\u03b1 \u03b5\u03c1\u03b3\u03b1\u03c3\u03c4\u03ae\u03c1\u03b9\u03b1 \u03c4\u03bf\u03c5 \u03c3\u03c7\u03bf\u03bb\u03b5\u03af\u03bf\u03c5 \u03ba\u03b1\u03b9 \u03b7 \u03b5\u03c0\u03ac\u03c1\u03ba\u03b5\u03b9\u03b1 \u03c4\u03bf\u03c5 \u03b5\u03c1\u03b3\u03b1\u03c3\u03c4\u03b7\u03c1\u03b9\u03b1\u03ba\u03bf\u03cd \u03c5\u03bb\u03b9\u03ba\u03bf\u03cd<\/strong>. \u0395\u03b4\u03ce, \u03b2\u03b5\u03b2\u03b1\u03af\u03c9\u03c2, \u03c0\u03b1\u03c1\u03bf\u03c5\u03c3\u03b9\u03ac\u03b6\u03bf\u03bd\u03c4\u03b1\u03b9 \u03b4\u03b9\u03b1\u03c6\u03bf\u03c1\u03ad\u03c2 \u03b1\u03bd\u03ac\u03bc\u03b5\u03c3\u03b1 \u03c3\u03c4\u03b1 \u03b4\u03b7\u03bc\u03cc\u03c3\u03b9\u03b1 \u03ba\u03b1\u03b9 \u03c4\u03b1 \u03b9\u03b4\u03b9\u03c9\u03c4\u03b9\u03ba\u03ac \u03c3\u03c7\u03bf\u03bb\u03b5\u03af\u03b1. \u0395\u03bd\u03ce \u03bf\u03b9 \u03b4\u03b9\u03b5\u03c5\u03b8\u03c5\u03bd\u03c4\u03ad\u03c2 \u03c4\u03bf\u03c5 24% \u03c4\u03c9\u03bd \u03bc\u03b1\u03b8\u03b7\u03c4\u03ce\u03bd \u03b9\u03b4\u03b9\u03c9\u03c4\u03b9\u03ba\u03ce\u03bd \u03c3\u03c7\u03bf\u03bb\u03b5\u03af\u03c9\u03bd \u03b4\u03b7\u03bb\u03ce\u03bd\u03bf\u03c5\u03bd \u03cc\u03c4\u03b9 \u03ad\u03c7\u03bf\u03c5\u03bd \u03b5\u03c0\u03b1\u03c1\u03ba\u03ad\u03c2 \u03b5\u03c0\u03b9\u03ba\u03bf\u03c5\u03c1\u03b9\u03ba\u03cc \u03c0\u03c1\u03bf\u03c3\u03c9\u03c0\u03b9\u03ba\u03cc \u03c3\u03c4\u03b1 \u03b5\u03c1\u03b3\u03b1\u03c3\u03c4\u03ae\u03c1\u03b9\u03b1 \u03c4\u03bf\u03c5 \u03c3\u03c7\u03bf\u03bb\u03b5\u03af\u03bf\u03c5, \u03c4\u03bf \u03b1\u03bd\u03c4\u03af\u03c3\u03c4\u03bf\u03b9\u03c7\u03bf \u03c0\u03bf\u03c3\u03bf\u03c3\u03c4\u03cc \u03c3\u03c4\u03b1 \u03b4\u03b7\u03bc\u03cc\u03c3\u03b9\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 1,3%. \u039f\u03b9 \u03b4\u03b9\u03b5\u03c5\u03b8\u03c5\u03bd\u03c4\u03ad\u03c2 \u03c4\u03bf\u03c5 31% \u03c4\u03c9\u03bd \u03bc\u03b1\u03b8\u03b7\u03c4\u03ce\u03bd \u03c4\u03c9\u03bd \u03b4\u03b7\u03bc\u03bf\u03c3\u03af\u03c9\u03bd \u03b5\u03c0\u03b9\u03c3\u03b7\u03bc\u03b1\u03af\u03bd\u03bf\u03c5\u03bd \u03cc\u03c4\u03b9 \u03b4\u03b1\u03c0\u03b1\u03bd\u03ce\u03bd\u03c4\u03b1\u03b9 \u03c7\u03c1\u03ae\u03bc\u03b1\u03c4\u03b1 \u03b3\u03b9\u03b1 \u03c4\u03bf\u03bd \u03b5\u03ba\u03c3\u03c5\u03b3\u03c7\u03c1\u03bf\u03bd\u03b9\u03c3\u03bc\u03cc \u03c4\u03bf\u03c5 \u03b5\u03be\u03bf\u03c0\u03bb\u03b9\u03c3\u03bc\u03bf\u03cd \u03c4\u03bf\u03c5\u03c2 -\u03b1\u03bb\u03bb\u03ac \u03c4\u03bf \u03c0\u03bf\u03c3\u03bf\u03c3\u03c4\u03cc \u03c3\u03c4\u03b1 \u03b9\u03b4\u03b9\u03c9\u03c4\u03b9\u03ba\u03ac \u03b5\u03af\u03bd\u03b1\u03b9 95,5%.<\/p>\n<p>\u039c\u03bf\u03bb\u03bf\u03bd\u03cc\u03c4\u03b9 \u03bf\u03b9 \u03b4\u03b9\u03b5\u03c5\u03b8\u03c5\u03bd\u03c4\u03ad\u03c2 \u03b4\u03b7\u03bb\u03ce\u03bd\u03bf\u03c5\u03bd \u03c3\u03b5 \u03b3\u03b5\u03bd\u03b9\u03ba\u03ad\u03c2 \u03b3\u03c1\u03b1\u03bc\u03bc\u03ad\u03c2 \u03b9\u03ba\u03b1\u03bd\u03bf\u03c0\u03bf\u03b9\u03b7\u03bc\u03ad\u03bd\u03bf\u03b9 \u03bc\u03b5 \u03c4\u03bf \u03b5\u03c0\u03af\u03c0\u03b5\u03b4\u03bf \u03c4\u03bf\u03c5 \u03b5\u03be\u03bf\u03c0\u03bb\u03b9\u03c3\u03bc\u03bf\u03cd \u03c4\u03bf\u03c5 \u03c3\u03c7\u03bf\u03bb\u03b5\u03af\u03bf\u03c5 \u03c4\u03bf\u03c5\u03c2 (\u03bf\u03b9 \u03b4\u03b9\u03b5\u03c5\u03b8\u03c5\u03bd\u03c4\u03ad\u03c2 \u03c4\u03bf\u03c5 80% \u03c4\u03c9\u03bd \u03bc\u03b1\u03b8\u03b7\u03c4\u03ce\u03bd \u03b4\u03b7\u03bb\u03ce\u03bd\u03bf\u03c5\u03bd \u03b9\u03ba\u03b1\u03bd\u03bf\u03c0\u03bf\u03b9\u03b7\u03bc\u03ad\u03bd\u03bf\u03b9 \u03bc\u03b5 \u03c4\u03bf\u03bd \u03b5\u03be\u03bf\u03c0\u03bb\u03b9\u03c3\u03bc\u03cc \u03c4\u03bf\u03c5 \u03c4\u03bc\u03ae\u03bc\u03b1\u03c4\u03bf\u03c2 \u03c6\u03c5\u03c3\u03b9\u03ba\u03ce\u03bd \u03b5\u03c0\u03b9\u03c3\u03c4\u03b7\u03bc\u03ce\u03bd \u03c4\u03bf\u03c5 \u03c3\u03c7\u03bf\u03bb\u03b5\u03af\u03bf\u03c5 \u03c4\u03bf\u03c5\u03c2, \u03b5\u03bd\u03ce \u03ad\u03bd\u03b1 \u03b5\u03bd\u03c4\u03c5\u03c0\u03c9\u03c3\u03b9\u03b1\u03ba\u03cc 92% \u03b4\u03b7\u03bb\u03ce\u03bd\u03bf\u03c5\u03bd \u03c0\u03c9\u03c2 \u03bf\u03b9 \u03ba\u03b1\u03b8\u03b7\u03b3\u03b7\u03c4\u03ad\u03c2 \u03c6\u03c5\u03c3\u03b9\u03ba\u03ce\u03bd \u03b5\u03c0\u03b9\u03c3\u03c4\u03b7\u03bc\u03ce\u03bd \u03c3\u03c4\u03b1 \u03c3\u03c7\u03bf\u03bb\u03b5\u03af\u03b1 \u03c4\u03bf\u03c5\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b5\u03be\u03b1\u03b9\u03c1\u03b5\u03c4\u03b9\u03ba\u03ac \u03ba\u03b1\u03c4\u03b1\u03c1\u03c4\u03b9\u03c3\u03bc\u03ad\u03bd\u03bf\u03b9 -\u03c4\u03bf \u03b4\u03b5\u03cd\u03c4\u03b5\u03c1\u03bf \u03c5\u03c8\u03b7\u03bb\u03cc\u03c4\u03b5\u03c1\u03bf \u03c0\u03bf\u03c3\u03bf\u03c3\u03c4\u03cc \u03b1\u03bd\u03ac\u03bc\u03b5\u03c3\u03b1 \u03c3\u03c4\u03b9\u03c2 72 \u03c7\u03ce\u03c1\u03b5\u03c2 \u03c4\u03bf\u03c5 PISA, \u03bc\u03b5\u03c4\u03ac \u03c4\u03b7\u03c2 \u039a\u03cd\u03c0\u03c1\u03bf\u03c5), \u03b7 \u03b1\u03bd\u03c4\u03b9\u03c0\u03b1\u03c1\u03b1\u03b2\u03bf\u03bb\u03ae \u03bc\u03b5 \u03c4\u03b1 \u03c3\u03c4\u03bf\u03b9\u03c7\u03b5\u03af\u03b1 \u03c0\u03bf\u03c5 \u03c5\u03c0\u03ac\u03c1\u03c7\u03bf\u03c5\u03bd \u03b3\u03b9\u03b1 \u03c4\u03b1 \u03c3\u03c7\u03bf\u03bb\u03b5\u03af\u03b1 \u03b1\u03c0\u03cc \u03c4\u03bf<a href=\"https:\/\/www.kanep-gsee.gr\/sitefiles\/files\/2015_ekth.pdf\">\u00a0\u039a\u0391\u039d\u0395\u03a0 (2015)<\/a>, \u03b1\u03bb\u03bb\u03ac \u03ba\u03b1\u03b9 \u03b7 \u03c3\u03cd\u03b3\u03ba\u03c1\u03b9\u03c3\u03b7 \u03ba\u03ac\u03c0\u03bf\u03b9\u03c9\u03bd \u03b1\u03c0\u03cc \u03c4\u03b9\u03c2 \u03b1\u03c0\u03b1\u03bd\u03c4\u03ae\u03c3\u03b5\u03b9\u03c2 \u03c4\u03bf\u03c5\u03c2 \u03bc\u03b5 \u03c4\u03b9\u03c2 \u03b1\u03c0\u03b1\u03bd\u03c4\u03ae\u03c3\u03b5\u03b9\u03c2 \u03b4\u03b9\u03b5\u03c5\u03b8\u03c5\u03bd\u03c4\u03ce\u03bd \u03b1\u03c0\u03cc \u03ac\u03bb\u03bb\u03b5\u03c2 \u03c7\u03ce\u03c1\u03b5\u03c2, \u03c5\u03c0\u03bf\u03b4\u03b5\u03b9\u03ba\u03bd\u03cd\u03bf\u03c5\u03bd \u03bc\u03b9\u03b1 \u03b4\u03b9\u03b1\u03c6\u03bf\u03c1\u03b5\u03c4\u03b9\u03ba\u03ae \u03b5\u03b9\u03ba\u03cc\u03bd\u03b1. \u0393\u03b9\u03b1 \u03c0\u03b1\u03c1\u03ac\u03b4\u03b5\u03b9\u03b3\u03bc\u03b1, \u03c4\u03b1 \u03b5\u03bb\u03bb\u03b7\u03bd\u03b9\u03ba\u03ac \u03c3\u03c7\u03bf\u03bb\u03b5\u03af\u03b1 \u03c5\u03c0\u03bf\u03bb\u03b5\u03af\u03c0\u03bf\u03bd\u03c4\u03b1\u03b9 \u03ba\u03b1\u03c4\u03ac \u03c0\u03bf\u03bb\u03cd \u03c3\u03c4\u03bf\u03bd \u03b1\u03c1\u03b9\u03b8\u03bc\u03cc \u03b4\u03b9\u03b1\u03b8\u03ad\u03c3\u03b9\u03bc\u03c9\u03bd \u03b7\u03bb\u03b5\u03ba\u03c4\u03c1\u03bf\u03bd\u03b9\u03ba\u03ce\u03bd \u03c5\u03c0\u03bf\u03bb\u03bf\u03b3\u03b9\u03c3\u03c4\u03ce\u03bd \u03b1\u03bd\u03ac \u03bc\u03b1\u03b8\u03b7\u03c4\u03ae \u03c3\u03c4\u03bf \u03c3\u03c7\u03bf\u03bb\u03b5\u03af\u03bf.\u00a0<strong>\u03a3\u03c4\u03b7 \u03c7\u03ce\u03c1\u03b1 \u03bc\u03b1\u03c2 \u03c4\u03bf 2015 \u03b1\u03bd\u03c4\u03b9\u03c3\u03c4\u03bf\u03b9\u03c7\u03bf\u03cd\u03c3\u03b5 1 \u03c5\u03c0\u03bf\u03bb\u03bf\u03b3\u03b9\u03c3\u03c4\u03ae\u03c2 \u03b3\u03b9\u03b1 \u03ba\u03ac\u03b8\u03b5 4 \u03bc\u03b1\u03b8\u03b7\u03c4\u03ad\u03c2<\/strong>, \u03c4\u03b7\u03bd \u03ce\u03c1\u03b1 \u03c0\u03bf\u03c5 \u03c3\u03c4\u03b7\u03bd \u03a0\u03bf\u03c1\u03c4\u03bf\u03b3\u03b1\u03bb\u03af\u03b1 \u03ae\u03b4\u03b7 \u03b5\u03af\u03c7\u03b1\u03bd \u03c3\u03c7\u03b5\u03b4\u03cc\u03bd 1 \u03c5\u03c0\u03bf\u03bb\u03bf\u03b3\u03b9\u03c3\u03c4\u03ae \u03b3\u03b9\u03b1 \u03ba\u03ac\u03b8\u03b5 2 \u03bc\u03b1\u03b8\u03b7\u03c4\u03ad\u03c2 \u03ba\u03b1\u03b9 \u03c3\u03b5 \u03c7\u03ce\u03c1\u03b5\u03c2 \u03cc\u03c0\u03c9\u03c2 \u03b7 \u0395\u03c3\u03b8\u03bf\u03bd\u03af\u03b1 \u03ae \u03b7 \u0393\u03b1\u03bb\u03bb\u03af\u03b1 \u03c3\u03c7\u03b5\u03b4\u03cc\u03bd 1 \u03c5\u03c0\u03bf\u03bb\u03bf\u03b3\u03b9\u03c3\u03c4\u03ae \u03b3\u03b9\u03b1 \u03ba\u03ac\u03b8\u03b5 \u03bc\u03b1\u03b8\u03b7\u03c4\u03ae.<\/p>\n<div class=\"large-image-container\">\n<p><img decoding=\"async\" loading=\"lazy\" class=\"size-full wp-image-20585 image-outside-container aligncenter\" src=\"https:\/\/i0.wp.com\/www.dianeosis.org\/wp-content\/uploads\/2019\/11\/pisa2015-v10-54-12.png?resize=700%2C199&#038;ssl=1\" sizes=\"(max-width: 1570px) 100vw, 1570px\" srcset=\"https:\/\/i0.wp.com\/www.dianeosis.org\/wp-content\/uploads\/2019\/11\/pisa2015-v10-54-12.png?resize=700%2C199&#038;ssl=1 1570w, https:\/\/www.dianeosis.org\/wp-content\/uploads\/2019\/11\/pisa2015-v10-54-12-768x219.png 768w, https:\/\/www.dianeosis.org\/wp-content\/uploads\/2019\/11\/pisa2015-v10-54-12-1200x342.png 1200w, https:\/\/www.dianeosis.org\/wp-content\/uploads\/2019\/11\/pisa2015-v10-54-12-580x165.png 580w\" alt=\"\" width=\"700\" height=\"199\" data-recalc-dims=\"1\" \/><\/p>\n<\/div>\n<p>\u0388\u03bd\u03b1 \u03b1\u03c0\u03cc \u03c4\u03b1 \u03c0\u03b9\u03bf \u03b5\u03bd\u03b4\u03b9\u03b1\u03c6\u03ad\u03c1\u03bf\u03bd\u03c4\u03b1 \u03c3\u03c4\u03bf\u03b9\u03c7\u03b5\u03af\u03b1 \u03c0\u03bf\u03c5 \u03c0\u03c1\u03bf\u03ba\u03cd\u03c0\u03c4\u03bf\u03c5\u03bd \u03b1\u03c0\u03cc \u03c4\u03b7\u03bd \u03ad\u03c1\u03b5\u03c5\u03bd\u03b1 \u03b3\u03b9\u03b1 \u03c4\u03b1 \u03b5\u03bb\u03bb\u03b7\u03bd\u03b9\u03ba\u03ac \u03c3\u03c7\u03bf\u03bb\u03b5\u03af\u03b1, \u03c9\u03c3\u03c4\u03cc\u03c3\u03bf, \u03b5\u03af\u03bd\u03b1\u03b9 \u03bf\u00a0<strong>\u03b2\u03b1\u03b8\u03bc\u03cc\u03c2 \u03b1\u03c5\u03c4\u03bf\u03bd\u03bf\u03bc\u03af\u03b1\u03c2<\/strong>\u00a0\u03c4\u03bf\u03c5\u03c2, \u03bf \u03bf\u03c0\u03bf\u03af\u03bf\u03c2 \u03c0\u03c1\u03bf\u03ba\u03cd\u03c0\u03c4\u03b5\u03b9 \u03b1\u03c0\u03cc \u03bc\u03b9\u03b1 \u03c3\u03b5\u03b9\u03c1\u03ac \u03b1\u03c0\u03b1\u03bd\u03c4\u03ae\u03c3\u03b5\u03c9\u03bd \u03c4\u03c9\u03bd \u03b4\u03b9\u03b5\u03c5\u03b8\u03c5\u03bd\u03c4\u03ce\u03bd \u03b3\u03b9\u03b1 \u03b8\u03ad\u03bc\u03b1\u03c4\u03b1 \u03b1\u03c0\u03cc \u03c4\u03bf \u03b1\u03bd \u03c4\u03bf \u03c3\u03c7\u03bf\u03bb\u03b5\u03af\u03bf \u03bf\u03c1\u03af\u03b6\u03b5\u03b9 \u03c4\u03bf \u03af\u03b4\u03b9\u03bf \u03c4\u03bf\u03bd \u03bc\u03b9\u03c3\u03b8\u03cc \u03c4\u03c9\u03bd \u03ba\u03b1\u03b8\u03b7\u03b3\u03b7\u03c4\u03ce\u03bd, \u03bc\u03ad\u03c7\u03c1\u03b9 \u03c4\u03bf \u03c0\u03b5\u03c1\u03b9\u03b5\u03c7\u03cc\u03bc\u03b5\u03bd\u03bf \u03c4\u03b7\u03c2 \u03b4\u03b9\u03b4\u03b1\u03ba\u03c4\u03b9\u03ba\u03ae\u03c2 \u03cd\u03bb\u03b7\u03c2. \u0391\u03c0\u03cc \u03cc,\u03c4\u03b9 \u03b1\u03c0\u03bf\u03b4\u03b5\u03b9\u03ba\u03bd\u03cd\u03b5\u03c4\u03b1\u03b9,\u00a0<strong>\u03c4\u03b1 \u03b5\u03bb\u03bb\u03b7\u03bd\u03b9\u03ba\u03ac \u03c3\u03c7\u03bf\u03bb\u03b5\u03af\u03b1 \u03ad\u03c7\u03bf\u03c5\u03bd \u03c4\u03bf \u03bc\u03b9\u03ba\u03c1\u03cc\u03c4\u03b5\u03c1\u03bf \u03b2\u03b1\u03b8\u03bc\u03cc \u03b1\u03c5\u03c4\u03bf\u03bd\u03bf\u03bc\u03af\u03b1\u03c2 \u03b1\u03c0\u03cc \u03cc\u03bb\u03b1 \u03c4\u03b1 \u03c5\u03c0\u03cc\u03bb\u03bf\u03b9\u03c0\u03b1 \u03c3\u03c7\u03bf\u03bb\u03b5\u03af\u03b1 \u03c0\u03bf\u03c5 \u03c3\u03c5\u03bc\u03bc\u03b5\u03c4\u03ad\u03c7\u03bf\u03c5\u03bd \u03c3\u03c4\u03bf \u03c0\u03c1\u03cc\u03b3\u03c1\u03b1\u03bc\u03bc\u03b1 PISA<\/strong>. \u03a4\u03b1 \u03b4\u03b9\u03ba\u03ac \u03bc\u03b1\u03c2 \u03c3\u03c7\u03bf\u03bb\u03b5\u03af\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b1\u03c5\u03c4\u03ac \u03c3\u03c4\u03b1 \u03bf\u03c0\u03bf\u03af\u03b1 \u03bf\u03b9 \u03c0\u03b5\u03c1\u03b9\u03c3\u03c3\u03cc\u03c4\u03b5\u03c1\u03b5\u03c2 \u03b1\u03c1\u03bc\u03bf\u03b4\u03b9\u03cc\u03c4\u03b7\u03c4\u03b5\u03c2 \u03bf\u03c1\u03af\u03b6\u03bf\u03bd\u03c4\u03b1\u03b9 \u03b1\u03c0\u03cc \u03c4\u03bf \u03ba\u03b5\u03bd\u03c4\u03c1\u03b9\u03ba\u03cc \u03ba\u03c1\u03ac\u03c4\u03bf\u03c2, \u03ba\u03b1\u03b9 \u03b1\u03c5\u03c4\u03ac \u03c3\u03c4\u03b1 \u03bf\u03c0\u03bf\u03af\u03b1 \u03b7 \u03b4\u03b9\u03bf\u03af\u03ba\u03b7\u03c3\u03b7 \u03c4\u03c9\u03bd \u03c3\u03c7\u03bf\u03bb\u03b5\u03af\u03c9\u03bd \u03ad\u03c7\u03b5\u03b9 \u03c4\u03b9\u03c2 \u03bb\u03b9\u03b3\u03cc\u03c4\u03b5\u03c1\u03b5\u03c2 \u03b1\u03c1\u03bc\u03bf\u03b4\u03b9\u03cc\u03c4\u03b7\u03c4\u03b5\u03c2 \u03ba\u03b1\u03b9 \u03b5\u03c5\u03b8\u03cd\u03bd\u03b5\u03c2 (\u03c0\u03b5\u03c1\u03b9\u03c3\u03c3\u03cc\u03c4\u03b5\u03c1\u03b1 \u03c3\u03c4\u03bf\u03b9\u03c7\u03b5\u03af\u03b1\u00a0<a href=\"http:\/\/gpseducation.oecd.org\/CountryProfile?primaryCountry=GRC&amp;treshold=10&amp;topic=PI\" target=\"_blank\" rel=\"noopener noreferrer\">\u03b5\u03b4\u03ce<\/a>).<\/p>\n<p>\u0397 \u03ad\u03c1\u03b5\u03c5\u03bd\u03b1 \u03bc\u03b5 \u03c4\u03b9\u03c2 \u03b1\u03c0\u03b1\u03bd\u03c4\u03ae\u03c3\u03b5\u03b9\u03c2 \u03c4\u03c9\u03bd \u03bc\u03b1\u03b8\u03b7\u03c4\u03ce\u03bd \u03ad\u03c7\u03b5\u03b9 \u03b1\u03c0\u03cc \u03bc\u03cc\u03bd\u03b7 \u03c4\u03b7\u03c2 \u03c4\u03b5\u03c1\u03ac\u03c3\u03c4\u03b9\u03bf \u03b5\u03bd\u03b4\u03b9\u03b1\u03c6\u03ad\u03c1\u03bf\u03bd \u03ba\u03b1\u03b9 \u03c0\u03b5\u03c1\u03b9\u03ad\u03c7\u03b5\u03b9 \u03ad\u03bd\u03b1\u03bd \u03c0\u03bb\u03bf\u03cd\u03c4\u03bf \u03c3\u03c4\u03bf\u03b9\u03c7\u03b5\u03af\u03c9\u03bd \u03ba\u03b1\u03b9 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd \u03c0\u03bf\u03c5 \u03b1\u03be\u03af\u03b6\u03b5\u03b9 \u03bd\u03b1 \u03c4\u03b1 \u03bc\u03b5\u03bb\u03b5\u03c4\u03ae\u03c3\u03b5\u03b9 \u03ba\u03ac\u03b8\u03b5 \u03c0\u03bf\u03bb\u03af\u03c4\u03b7\u03c2 \u03c0\u03bf\u03c5 \u03c3\u03c7\u03b5\u03c4\u03af\u03b6\u03b5\u03c4\u03b1\u03b9 \u03bc\u03b5 (\u03ae \u03b5\u03bd\u03b4\u03b9\u03b1\u03c6\u03ad\u03c1\u03b5\u03c4\u03b1\u03b9 \u03b3\u03b9\u03b1) \u03c4\u03b7 \u03b4\u03b5\u03c5\u03c4\u03b5\u03c1\u03bf\u03b2\u03ac\u03b8\u03bc\u03b9\u03b1 \u03b5\u03ba\u03c0\u03b1\u03af\u03b4\u03b5\u03c5\u03c3\u03b7. \u039c\u03c0\u03bf\u03c1\u03b5\u03af\u03c4\u03b5 \u03bd\u03b1 \u03b4\u03b5\u03af\u03c4\u03b5 \u03b5\u03bd\u03b4\u03b5\u03b9\u03ba\u03c4\u03b9\u03ba\u03ac \u03cc\u03bb\u03b1 \u03c4\u03b1 \u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03ad\u03c3\u03bc\u03b1\u03c4\u03b1\u00a0<a href=\"http:\/\/www.oecd.org\/pisa\/publications\/pisa-2015-results-volume-iii-9789264273856-en.htm\" target=\"_blank\" rel=\"noopener noreferrer\">\u03c3\u03b5 \u03b1\u03c5\u03c4\u03cc\u03bd \u03c4\u03bf\u03bd \u03c4\u03cc\u03bc\u03bf<\/a>.<\/p>\n<p>\u0395\u03bd\u03c4\u03b5\u03bb\u03ce\u03c2 \u03b5\u03bd\u03b4\u03b5\u03b9\u03ba\u03c4\u03b9\u03ba\u03ac \u03b5\u03b4\u03ce \u03bc\u03c0o\u03c1\u03bf\u03cd\u03bc\u03b5 \u03bd\u03b1 \u03b1\u03bd\u03b1\u03c6\u03ad\u03c1\u03bf\u03c5\u03bc\u03b5, \u03b3\u03b9\u03b1 \u03c0\u03b1\u03c1\u03ac\u03b4\u03b5\u03b9\u03b3\u03bc\u03b1, \u03cc\u03c4\u03b9\u00a0<strong>\u03c4<\/strong><strong>o<\/strong><strong>\u00a016,7% \u03c4\u03c9\u03bd \u0395\u03bb\u03bb\u03ae\u03bd\u03c9\u03bd \u03bc\u03b1\u03b8\u03b7\u03c4\u03ce\u03bd \u03b4\u03b7\u03bb\u03ce\u03bd\u03bf\u03c5\u03bd \u03c0\u03c9\u03c2 \u03ad\u03c7\u03bf\u03c5\u03bd \u03c5\u03c0\u03bf\u03c3\u03c4\u03b5\u03af \u03ba\u03ac\u03c0\u03bf\u03b9\u03b1\u03c2 \u03bc\u03bf\u03c1\u03c6\u03ae\u03c2\u00a0<\/strong><strong>bullying<\/strong><strong>\u00a0\u03ba\u03b1\u03c4\u03ac \u03c4\u03b7 \u03b4\u03b9\u03ac\u03c1\u03ba\u03b5\u03b9\u03b1 \u03c4\u03bf\u03c5 \u03c4\u03b5\u03bb\u03b5\u03c5\u03c4\u03b1\u03af\u03bf\u03c5 \u03bc\u03ae\u03bd\u03b1<\/strong>\u00a0(\u03c0\u03bf\u03c3\u03bf\u03c3\u03c4\u03cc \u03bb\u03af\u03b3\u03bf \u03bc\u03b9\u03ba\u03c1\u03cc\u03c4\u03b5\u03c1\u03bf \u03b1\u03c0\u03cc \u03c4\u03bf \u039c.\u039f. \u03c4\u03c9\u03bd \u03c7\u03c9\u03c1\u03ce\u03bd \u03c4\u03bf\u03c5 \u039f\u039f\u03a3\u0391, \u03c0\u03bf\u03c5 \u03b5\u03af\u03bd\u03b1\u03b9 \u03c3\u03c4\u03bf 18,7%) \u03b5\u03bd\u03ce \u03c4\u03bf 4,3% \u03b4\u03b7\u03bb\u03ce\u03bd\u03bf\u03c5\u03bd \u03c0\u03c9\u03c2 \u03ad\u03c7\u03bf\u03c5\u03bd \u03b4\u03b5\u03c7\u03c4\u03b5\u03af \u03c3\u03c9\u03bc\u03b1\u03c4\u03b9\u03ba\u03ae \u03b2\u03af\u03b1 \u03c4\u03bf\u03bd \u03c4\u03b5\u03bb\u03b5\u03c5\u03c4\u03b1\u03af\u03bf \u03bc\u03ae\u03bd\u03b1 \u03c3\u03c4\u03bf \u03c3\u03c7\u03bf\u03bb\u03b5\u03af\u03bf (\u03b1\u03ba\u03c1\u03b9\u03b2\u03ce\u03c2 \u03af\u03b4\u03b9\u03bf \u03c0\u03bf\u03c3\u03bf\u03c3\u03c4\u03cc \u03bc\u03b5 \u03c4\u03bf \u039c.\u039f. \u03c4\u03bf\u03c5 \u039f\u039f\u03a3\u0391). \u03a4\u03bf 26,2% \u03c4\u03bf \u03bc\u03b1\u03b8\u03b7\u03c4\u03ce\u03bd \u03b4\u03b7\u03bb\u03ce\u03bd\u03bf\u03c5\u03bd \u201c\u03c0\u03bf\u03bb\u03cd \u03b9\u03ba\u03b1\u03bd\u03bf\u03c0\u03bf\u03b9\u03b7\u03bc\u03ad\u03bd\u03bf\u03b9\u201d \u03b1\u03c0\u03cc \u03c4\u03b7 \u03b6\u03c9\u03ae \u03c4\u03bf\u03c5\u03c2 (\u039c.\u039f, \u039f\u039f\u03a3\u0391: 34,1%) \u03b5\u03bd\u03ce \u03c4\u03bf 14,7% \u03b4\u03b7\u03bb\u03ce\u03bd\u03bf\u03c5\u03bd \u201c\u03ba\u03b1\u03b8\u03cc\u03bb\u03bf\u03c5 \u03b9\u03ba\u03b1\u03bd\u03bf\u03c0\u03bf\u03b9\u03b7\u03bc\u03ad\u03bd\u03bf\u03b9\u201d (\u039c.\u039f. \u039f\u039f\u03a3\u0391: 11,8%).<\/p>\n<div class=\"acf-field acf-field-message acf-field-55ed6cac5ab8f\" data-type=\"message\" data-key=\"field_55ed6cac5ab8f\">\n<div class=\"acf-input\">\n<article class=\"recommended-post recommended-post--align-right\">\n<header>\u03b4\u03b9\u03b1\u03b2\u03ac\u03c3\u03c4\u03b5 \u03b1\u03ba\u03cc\u03bc\u03b1<\/p>\n<\/header>\n<figure><img decoding=\"async\" loading=\"lazy\" class=\"attachment-recommended size-recommended wp-post-image\" src=\"https:\/\/i0.wp.com\/www.dianeosis.org\/wp-content\/uploads\/2018\/01\/anergia_newn_150118-400x240.jpg?resize=400%2C240&#038;ssl=1\" alt=\"\" width=\"400\" height=\"240\" data-recalc-dims=\"1\" \/><\/figure>\n<h1>\u03a0\u03ce\u03c2 \u039f\u03b9 \u0394\u03b9\u03b1\u03b3\u03b5\u03bd\u03b5\u03b1\u03ba\u03ad\u03c2 \u03a3\u03c7\u03ad\u03c3\u03b5\u03b9\u03c2 \u0395\u03c0\u03b7\u03c1\u03b5\u03ac\u03b6\u03bf\u03c5\u03bd \u03a4\u03b7\u03bd \u0391\u03c0\u03b1\u03c3\u03c7\u03cc\u03bb\u03b7\u03c3\u03b7 \u039a\u03b1\u03b9 \u03a4\u03b7\u03bd \u0395\u03c5\u03b7\u03bc\u03b5\u03c1\u03af\u03b1 \u03a4\u03c9\u03bd \u039d\u03ad\u03c9\u03bd \u0395\u03bb\u03bb\u03ae\u03bd\u03c9\u03bd<\/h1>\n<\/article>\n<\/div>\n<\/div>\n<p><strong><span class=\"dropcap\">\u039f<\/span>\u03b9 \u03c0\u03b1\u03c1\u03ac\u03b3\u03bf\u03bd\u03c4\u03b5\u03c2 \u03c0\u03bf\u03c5 \u03ad\u03c7\u03bf\u03c5\u03bd \u03b5\u03be\u03b1\u03b9\u03c1\u03b5\u03c4\u03b9\u03ba\u03cc \u03b5\u03bd\u03b4\u03b9\u03b1\u03c6\u03ad\u03c1\u03bf\u03bd \u03ba\u03b1\u03b9 \u03c9\u03c2 \u03c0\u03c1\u03bf\u03c2 \u03c4\u03b7\u03bd \u03c3\u03c7\u03ad\u03c3\u03b7 \u03c4\u03bf\u03c5\u03c2 \u03bc\u03b5 \u03c4\u03b9\u03c2 \u03b5\u03c0\u03b9\u03b4\u03cc\u03c3\u03b5\u03b9\u03c2 \u03c4\u03c9\u03bd \u03bc\u03b1\u03b8\u03b7\u03c4\u03ce\u03bd \u03b5\u03af\u03bd\u03b1\u03b9, \u03b2\u03b5\u03b2\u03b1\u03af\u03c9\u03c2, \u03c4\u03bf \u03ba\u03bf\u03b9\u03bd\u03c9\u03bd\u03b9\u03ba\u03cc, \u03bf\u03b9\u03ba\u03bf\u03bd\u03bf\u03bc\u03b9\u03ba\u03cc \u03ba\u03b1\u03b9 \u03c4\u03bf \u03c0\u03bf\u03bb\u03b9\u03c4\u03b9\u03c3\u03bc\u03b9\u03ba\u03cc \u03b5\u03c0\u03af\u03c0\u03b5\u03b4\u03bf \u03c4\u03b7\u03c2 \u03bf\u03b9\u03ba\u03bf\u03b3\u03ad\u03bd\u03b5\u03b9\u03ac\u03c2 \u03c4\u03bf\u03c5\u03c2<\/strong>, \u03c0\u03c1\u03ac\u03b3\u03bc\u03b1\u03c4\u03b1 \u03c0\u03bf\u03c5 \u03ba\u03b1\u03c4\u03b1\u03b3\u03c1\u03ac\u03c6\u03bf\u03bd\u03c4\u03b1\u03b9 \u03b1\u03c0\u03cc \u03c4\u03b9\u03c2 \u03b1\u03c0\u03b1\u03bd\u03c4\u03ae\u03c3\u03b5\u03b9\u03c2 \u03c4\u03c9\u03bd \u03c0\u03b1\u03b9\u03b4\u03b9\u03ce\u03bd \u03c3\u03c4\u03bf \u03b5\u03c1\u03c9\u03c4\u03b7\u03bc\u03b1\u03c4\u03bf\u03bb\u03cc\u03b3\u03b9\u03cc \u03c4\u03bf\u03c5\u03c2. \u039f \u039f\u039f\u03a3\u0391 \u03ad\u03c7\u03b5\u03b9 \u03b4\u03b7\u03bc\u03b9\u03bf\u03c5\u03c1\u03b3\u03ae\u03c3\u03b5\u03b9 \u03ad\u03bd\u03b1\u03bd \u03b5\u03b9\u03b4\u03b9\u03ba\u03cc \u03b4\u03b5\u03af\u03ba\u03c4\u03b7 \u03b3\u03b9\u2019 \u03b1\u03c5\u03c4\u03cc \u03c4\u03bf \u03c3\u03ba\u03bf\u03c0\u03cc \u03c4\u03bf\u03bd \u03bf\u03c0\u03bf\u03af\u03bf \u03b1\u03c0\u03bf\u03ba\u03b1\u03bb\u03b5\u03af ESCS (Index of Economic, Social and Cultural Status) \u03c3\u03c5\u03bd\u03b4\u03c5\u03ac\u03b6\u03bf\u03bd\u03c4\u03b1\u03c2 \u03bc\u03b9\u03b1 \u03c3\u03b5\u03b9\u03c1\u03ac \u03b1\u03c0\u03cc \u03b5\u03c1\u03c9\u03c4\u03ae\u03c3\u03b5\u03b9\u03c2 \u03c4\u03b7\u03c2 \u03ad\u03c1\u03b5\u03c5\u03bd\u03b1\u03c2, \u03cc\u03c0\u03c9\u03c2, \u03bc\u03b5\u03c4\u03b1\u03be\u03cd \u03c0\u03bf\u03bb\u03bb\u03ce\u03bd \u03ac\u03bb\u03bb\u03c9\u03bd, \u03c4\u03bf \u03b1\u03bd \u03bf\u03b9 \u03bc\u03b1\u03b8\u03b7\u03c4\u03ad\u03c2 \u03ad\u03c7\u03bf\u03c5\u03bd \u03b4\u03b9\u03ba\u03cc \u03c4\u03bf\u03c5\u03c2 \u03b4\u03c9\u03bc\u03ac\u03c4\u03b9\u03bf \u03c3\u03c4\u03bf \u03c3\u03c0\u03af\u03c4\u03b9 \u03c4\u03bf\u03c5\u03c2, \u03c4\u03bf \u03b1\u03bd \u03ad\u03c7\u03bf\u03c5\u03bd \u03ad\u03bd\u03b1 \u03ae\u03c3\u03c5\u03c7\u03bf \u03bc\u03ad\u03c1\u03bf\u03c2 \u03b3\u03b9\u03b1 \u03bd\u03b1 \u03bc\u03b5\u03bb\u03b5\u03c4\u03ac\u03bd\u03b5, \u03c4\u03b7 \u03b2\u03b1\u03b8\u03bc\u03af\u03b4\u03b1 \u03b5\u03ba\u03c0\u03b1\u03af\u03b4\u03b5\u03c5\u03c3\u03b7\u03c2 \u03c4\u03c9\u03bd \u03b3\u03bf\u03bd\u03b9\u03ce\u03bd \u03c4\u03bf\u03c5\u03c2, \u03c4\u03bf \u03c0\u03cc\u03c3\u03b1 \u03b1\u03c5\u03c4\u03bf\u03ba\u03af\u03bd\u03b7\u03c4\u03b1 \u03b4\u03b9\u03b1\u03b8\u03ad\u03c4\u03b5\u03b9 \u03b7 \u03bf\u03b9\u03ba\u03bf\u03b3\u03ad\u03bd\u03b5\u03b9\u03b1, \u03c4\u03bf \u03c0\u03cc\u03c3\u03b1 \u03b2\u03b9\u03b2\u03bb\u03af\u03b1 \u03c5\u03c0\u03ac\u03c1\u03c7\u03bf\u03c5\u03bd \u03c3\u03c4\u03bf \u03c3\u03c0\u03af\u03c4\u03b9, \u03c4\u03bf \u03b1\u03bd \u03c3\u03c4\u03bf \u03c3\u03c0\u03af\u03c4\u03b9 \u03c4\u03bf\u03c5\u03c2 \u03c5\u03c0\u03ac\u03c1\u03c7\u03bf\u03c5\u03bd \u03ad\u03c1\u03b3\u03b1 \u03c4\u03ad\u03c7\u03bd\u03b7\u03c2, \u03bc\u03bf\u03c5\u03c3\u03b9\u03ba\u03ac \u03cc\u03c1\u03b3\u03b1\u03bd\u03b1 \u03ae \u03c0\u03bb\u03c5\u03bd\u03c4\u03ae\u03c1\u03b9\u03bf \u03c0\u03b9\u03ac\u03c4\u03c9\u03bd. \u0391\u03c5\u03c4\u03cc\u03c2 \u03bf \u03b4\u03b5\u03af\u03ba\u03c4\u03b7\u03c2 \u03b1\u03c0\u03b5\u03b9\u03ba\u03bf\u03bd\u03af\u03b6\u03b5\u03b9 \u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03b5\u03c3\u03bc\u03b1\u03c4\u03b9\u03ba\u03ac \u03c0\u03cc\u03c3\u03bf\u03b9 \u03bc\u03b1\u03b8\u03b7\u03c4\u03ad\u03c2 \u03b1\u03c0\u03cc \u03ba\u03ac\u03b8\u03b5 \u03c7\u03ce\u03c1\u03b1 \u03b1\u03bd\u03ae\u03ba\u03bf\u03c5\u03bd \u03c3\u03c4\u03b7\u03bd \u03c5\u03c8\u03b7\u03bb\u03cc\u03c4\u03b5\u03c1\u03b7 \u03ba\u03b1\u03b9 \u03c0\u03cc\u03c3\u03bf\u03b9 \u03c3\u03c4\u03b7\u03bd \u03c7\u03b1\u03bc\u03b7\u03bb\u03cc\u03c4\u03b5\u03c1\u03b7 \u03ba\u03bf\u03b9\u03bd\u03c9\u03bd\u03b9\u03ba\u03bf\u03bf\u03b9\u03ba\u03bf\u03bd\u03bf\u03bc\u03b9\u03ba\u03ae \u03b2\u03b1\u03b8\u03bc\u03af\u03b4\u03b1 \u03c3\u03b5 \u03bc\u03b9\u03b1 \u03b5\u03bd\u03b9\u03b1\u03af\u03b1, \u03c0\u03b1\u03b3\u03ba\u03cc\u03c3\u03bc\u03b9\u03b1 \u03ba\u03bb\u03af\u03bc\u03b1\u03ba\u03b1. \u0393\u03b9\u03b1 \u03c0\u03b1\u03c1\u03ac\u03b4\u03b5\u03b9\u03b3\u03bc\u03b1, \u03c4\u03bf 76% \u03c4\u03c9\u03bd \u03bc\u03b1\u03b8\u03b7\u03c4\u03ce\u03bd \u03b1\u03c0\u03cc \u03c4\u03bf \u0392\u03b9\u03b5\u03c4\u03bd\u03ac\u03bc \u03b2\u03c1\u03af\u03c3\u03ba\u03bf\u03bd\u03c4\u03b1\u03b9 \u03c3\u03c4\u03bf \u03ba\u03b1\u03c4\u03ce\u03c4\u03b1\u03c4\u03bf \u03b4\u03b5\u03ba\u03b1\u03c4\u03b7\u03bc\u03cc\u03c1\u03b9\u03bf \u03c4\u03bf\u03c5 \u03b4\u03b5\u03af\u03ba\u03c4\u03b7, \u03ba\u03b1\u03b9 \u03bc\u03cc\u03bd\u03bf \u03c4\u03bf 2,5% \u03c3\u03c4\u03bf \u03b1\u03bd\u03ce\u03c4\u03b1\u03c4\u03bf. \u038c\u03c0\u03c9\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b1\u03bd\u03b1\u03bc\u03b5\u03bd\u03cc\u03bc\u03b5\u03bd\u03bf, \u03c3\u03c4\u03b9\u03c2 \u03c0\u03bb\u03bf\u03c5\u03c3\u03b9\u03cc\u03c4\u03b5\u03c1\u03b5\u03c2 \u03c7\u03ce\u03c1\u03b5\u03c2 \u03c4\u03b1 \u03c0\u03bf\u03c3\u03bf\u03c3\u03c4\u03ac \u03b1\u03bd\u03c4\u03b9\u03c3\u03c4\u03c1\u03ad\u03c6\u03bf\u03bd\u03c4\u03b1\u03b9. \u03a3\u03c4\u03b7\u03bd \u0395\u03bb\u03bb\u03ac\u03b4\u03b1, \u03c4\u03bf 13% \u03c4\u03c9\u03bd \u03bc\u03b1\u03b8\u03b7\u03c4\u03ce\u03bd \u03b5\u03af\u03bd\u03b1\u03b9 \u03c3\u03c4\u03bf \u03ba\u03b1\u03c4\u03ce\u03c4\u03b1\u03c4\u03bf \u03b4\u03b5\u03ba\u03b1\u03c4\u03b7\u03bc\u03cc\u03c1\u03b9\u03bf, \u03ba\u03b1\u03b9 \u03c4\u03bf 26% \u03c3\u03c4\u03bf \u03b1\u03bd\u03ce\u03c4\u03b1\u03c4\u03bf.<\/p>\n<p>\u03a4\u03b1 \u03b2\u03b1\u03c3\u03b9\u03ba\u03ac \u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03ad\u03c3\u03bc\u03b1\u03c4\u03b1 \u03c4\u03c9\u03bd \u03b5\u03c1\u03c9\u03c4\u03ae\u03c3\u03b5\u03c9\u03bd \u03c0\u03bf\u03c5 \u03c3\u03c5\u03bd\u03b8\u03ad\u03c4\u03bf\u03c5\u03bd \u03c4\u03bf\u03bd \u03b4\u03b5\u03af\u03ba\u03c4\u03b7 ESCS \u03bc\u03c0\u03bf\u03c1\u03b5\u03af\u03c4\u03b5 \u03bd\u03b1 \u03c4\u03b1 \u03b2\u03c1\u03b5\u03af\u03c4\u03b5 \u03c3\u03c4\u03bf \u03ba\u03b5\u03c6\u03ac\u03bb\u03b1\u03b9\u03bf 4\u00a0<a href=\"https:\/\/www.dianeosis.org\/wp-content\/uploads\/2019\/11\/final_pisa2015.pdf\">\u03c4\u03b7\u03c2 \u03ad\u03c1\u03b5\u03c5\u03bd\u03b1\u03c2<\/a>.<\/p>\n<div class=\"large-image-container\">\n<p><img decoding=\"async\" loading=\"lazy\" class=\"size-full wp-image-20587 image-outside-container aligncenter\" src=\"https:\/\/i0.wp.com\/www.dianeosis.org\/wp-content\/uploads\/2019\/11\/pisa2015-v10-61-15.png?resize=700%2C454&#038;ssl=1\" sizes=\"(max-width: 1581px) 100vw, 1581px\" srcset=\"https:\/\/i0.wp.com\/www.dianeosis.org\/wp-content\/uploads\/2019\/11\/pisa2015-v10-61-15.png?resize=700%2C454&#038;ssl=1 1581w, https:\/\/www.dianeosis.org\/wp-content\/uploads\/2019\/11\/pisa2015-v10-61-15-768x498.png 768w, https:\/\/www.dianeosis.org\/wp-content\/uploads\/2019\/11\/pisa2015-v10-61-15-1200x778.png 1200w, https:\/\/www.dianeosis.org\/wp-content\/uploads\/2019\/11\/pisa2015-v10-61-15-580x376.png 580w\" alt=\"\" width=\"700\" height=\"454\" data-recalc-dims=\"1\" \/><\/p>\n<\/div>\n<div class=\"large-image-container\">\n<p><img decoding=\"async\" loading=\"lazy\" class=\"size-full wp-image-20589 image-outside-container aligncenter\" src=\"https:\/\/i0.wp.com\/www.dianeosis.org\/wp-content\/uploads\/2019\/11\/pisa2015-v10-62-18.png?resize=700%2C335&#038;ssl=1\" sizes=\"(max-width: 1575px) 100vw, 1575px\" srcset=\"https:\/\/i0.wp.com\/www.dianeosis.org\/wp-content\/uploads\/2019\/11\/pisa2015-v10-62-18.png?resize=700%2C335&#038;ssl=1 1575w, https:\/\/www.dianeosis.org\/wp-content\/uploads\/2019\/11\/pisa2015-v10-62-18-768x368.png 768w, https:\/\/www.dianeosis.org\/wp-content\/uploads\/2019\/11\/pisa2015-v10-62-18-1200x574.png 1200w, https:\/\/www.dianeosis.org\/wp-content\/uploads\/2019\/11\/pisa2015-v10-62-18-580x278.png 580w\" alt=\"\" width=\"700\" height=\"335\" data-recalc-dims=\"1\" \/><\/p>\n<\/div>\n<div class=\"large-image-container\">\n<p><img decoding=\"async\" loading=\"lazy\" class=\"size-full wp-image-20591 image-outside-container aligncenter\" src=\"https:\/\/i0.wp.com\/www.dianeosis.org\/wp-content\/uploads\/2019\/11\/pisa2015-v10-63-19.png?resize=700%2C340&#038;ssl=1\" sizes=\"(max-width: 1571px) 100vw, 1571px\" srcset=\"https:\/\/i0.wp.com\/www.dianeosis.org\/wp-content\/uploads\/2019\/11\/pisa2015-v10-63-19.png?resize=700%2C340&#038;ssl=1 1571w, https:\/\/www.dianeosis.org\/wp-content\/uploads\/2019\/11\/pisa2015-v10-63-19-768x373.png 768w, https:\/\/www.dianeosis.org\/wp-content\/uploads\/2019\/11\/pisa2015-v10-63-19-1200x582.png 1200w, https:\/\/www.dianeosis.org\/wp-content\/uploads\/2019\/11\/pisa2015-v10-63-19-580x281.png 580w\" alt=\"\" width=\"700\" height=\"340\" data-recalc-dims=\"1\" \/><\/p>\n<\/div>\n<p>\u03a7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03ce\u03bd\u03c4\u03b1\u03c2 \u03b1\u03c5\u03c4\u03cc\u03bd \u03c4\u03bf\u03bd \u03b4\u03b5\u03af\u03ba\u03c4\u03b7 \u03bf \u039f\u039f\u03a3\u0391 \u03c7\u03c9\u03c1\u03af\u03b6\u03b5\u03b9 \u03c4\u03bf\u03c5\u03c2 \u03bc\u03b1\u03b8\u03b7\u03c4\u03ad\u03c2 \u03c3\u03b5 \u03ba\u03ac\u03c0\u03bf\u03b9\u03b5\u03c2 \u03ba\u03b1\u03c4\u03b7\u03b3\u03bf\u03c1\u03af\u03b5\u03c2. \u0391\u03c5\u03c4\u03bf\u03af \u03c0\u03bf\u03c5 \u03c4\u03bf\u03c0\u03bf\u03b8\u03b5\u03c4\u03bf\u03cd\u03bd\u03c4\u03b1\u03b9 \u03c3\u03c4\u03bf \u03c7\u03b1\u03bc\u03b7\u03bb\u03cc\u03c4\u03b5\u03c1\u03bf 1\/4 \u03c4\u03bf\u03c5 \u03b4\u03b5\u03af\u03ba\u03c4\u03b7 \u03c7\u03b1\u03c1\u03b1\u03ba\u03c4\u03b7\u03c1\u03af\u03b6\u03bf\u03bd\u03c4\u03b1\u03b9 \u201c\u03bc\u03b7-\u03c0\u03c1\u03bf\u03bd\u03bf\u03bc\u03b9\u03bf\u03cd\u03c7\u03bf\u03b9\u201d. \u0395\u03af\u03bd\u03b1\u03b9 \u03b1\u03c5\u03c4\u03bf\u03af \u03c0\u03bf\u03c5 \u03c0\u03c1\u03bf\u03ad\u03c1\u03c7\u03bf\u03bd\u03c4\u03b1\u03b9 \u03b1\u03c0\u03cc \u03bf\u03b9\u03ba\u03bf\u03b3\u03ad\u03bd\u03b5\u03b9\u03b5\u03c2 \u03bc\u03b5 \u03bb\u03b9\u03b3\u03cc\u03c4\u03b5\u03c1\u03b5\u03c2 \u03bf\u03b9\u03ba\u03bf\u03bd\u03bf\u03bc\u03b9\u03ba\u03ad\u03c2 \u03b4\u03c5\u03bd\u03b1\u03c4\u03cc\u03c4\u03b7\u03c4\u03b5\u03c2, \u03c7\u03b1\u03bc\u03b7\u03bb\u03cc\u03c4\u03b5\u03c1\u03b7 \u03bc\u03cc\u03c1\u03c6\u03c9\u03c3\u03b7 \u03ba\u03b1\u03b9 \u03bc\u03b9\u03ba\u03c1\u03cc\u03c4\u03b5\u03c1\u03b7 \u03c0\u03c1\u03cc\u03c3\u03b2\u03b1\u03c3\u03b7 \u03c3\u03b5 \u03b2\u03b9\u03b2\u03bb\u03af\u03b1, \u03c5\u03c0\u03bf\u03b4\u03bf\u03bc\u03ad\u03c2 \u03ba\u03b1\u03b9 \u03ac\u03bb\u03bb\u03b1 \u03c7\u03b1\u03c1\u03b1\u03ba\u03c4\u03b7\u03c1\u03b9\u03c3\u03c4\u03b9\u03ba\u03ac \u03c0\u03bf\u03c5 \u03c0\u03c1\u03bf\u03ba\u03cd\u03c0\u03c4\u03bf\u03c5\u03bd \u03b1\u03c0\u03cc \u03b1\u03c5\u03c4\u03ad\u03c2 \u03c4\u03b9\u03c2 \u03b5\u03c1\u03c9\u03c4\u03ae\u03c3\u03b5\u03b9\u03c2. \u0391\u03bd\u03c4\u03af\u03c3\u03c4\u03bf\u03b9\u03c7\u03b1, \u03bf\u03b9 \u03bc\u03b1\u03b8\u03b7\u03c4\u03ad\u03c2 \u03c0\u03bf\u03c5 \u03c4\u03bf\u03c0\u03bf\u03b8\u03b5\u03c4\u03bf\u03cd\u03bd\u03c4\u03b1\u03b9 \u03c3\u03c4\u03bf \u03b1\u03bd\u03ce\u03c4\u03b5\u03c1\u03bf 1\/4 \u03c4\u03bf\u03c5 \u03b4\u03b5\u03af\u03ba\u03c4\u03b7 \u03c7\u03b1\u03c1\u03b1\u03ba\u03c4\u03b7\u03c1\u03af\u03b6\u03bf\u03bd\u03c4\u03b1\u03b9 \u201c\u03c0\u03c1\u03bf\u03bd\u03bf\u03bc\u03b9\u03bf\u03cd\u03c7\u03bf\u03b9\u201d. \u0393\u03b9\u03b1 \u03c0\u03b1\u03c1\u03ac\u03b4\u03b5\u03b9\u03b3\u03bc\u03b1,<strong>\u00a0\u03c4\u03bf 47% \u03c4\u03c9\u03bd \u201c\u03c0\u03c1\u03bf\u03bd\u03bf\u03bc\u03b9\u03bf\u03cd\u03c7\u03c9\u03bd\u201d \u03bc\u03b1\u03b8\u03b7\u03c4\u03ce\u03bd \u03b4\u03b7\u03bb\u03ce\u03bd\u03bf\u03c5\u03bd \u03cc\u03c4\u03b9 \u03ad\u03c7\u03bf\u03c5\u03bd \u03c0\u03ac\u03bd\u03c9 \u03b1\u03c0\u03cc 200 \u03b2\u03b9\u03b2\u03bb\u03af\u03b1 \u03c3\u03c4\u03bf \u03c3\u03c0\u03af\u03c4\u03b9 \u03c4\u03bf\u03c5\u03c2. \u039c\u03cc\u03bd\u03bf \u03c4\u03bf 7% \u03c4\u03c9\u03bd \u201c\u03bc\u03b7-\u03c0\u03c1\u03bf\u03bd\u03bf\u03bc\u03b9\u03bf\u03cd\u03c7\u03c9\u03bd\u201d \u03b4\u03b7\u03bb\u03ce\u03bd\u03bf\u03c5\u03bd \u03c4\u03bf \u03af\u03b4\u03b9\u03bf<\/strong>.<\/p>\n<p>\u0397 \u03ad\u03c1\u03b5\u03c5\u03bd\u03b1 \u03b5\u03bd\u03c4\u03bf\u03c0\u03af\u03b6\u03b5\u03b9 \u03ba\u03b1\u03b9 \u03c4\u03bf \u03c0\u03bf\u03c3\u03bf\u03c3\u03c4\u03cc \u03c4\u03c9\u03bd \u03bc\u03b1\u03b8\u03b7\u03c4\u03ce\u03bd \u03c0\u03bf\u03c5, \u03c0\u03b1\u03c1\u2019 \u03cc\u03bb\u03bf \u03c0\u03bf\u03c5 \u03c0\u03c1\u03bf\u03ad\u03c1\u03c7\u03bf\u03bd\u03c4\u03b1\u03b9 \u03b1\u03c0\u03cc \u03c4\u03b7\u03bd \u03ba\u03b1\u03c4\u03b7\u03b3\u03bf\u03c1\u03af\u03b1 \u03c4\u03c9\u03bd \u201c\u03bc\u03b7-\u03c0\u03c1\u03bf\u03bd\u03bf\u03bc\u03b9\u03bf\u03cd\u03c7\u03c9\u03bd\u201d \u03c3\u03c4\u03b7 \u03c7\u03ce\u03c1\u03b1 \u03c4\u03bf\u03c5\u03c2, \u03b5\u03bd\u03c4\u03bf\u03cd\u03c4\u03bf\u03b9\u03c2 \u03c0\u03b5\u03c4\u03c5\u03c7\u03b1\u03af\u03bd\u03bf\u03c5\u03bd \u03b5\u03c0\u03b9\u03b4\u03cc\u03c3\u03b5\u03b9\u03c2 \u03c0\u03bf\u03c5 \u03c4\u03bf\u03c5\u03c2 \u03c6\u03ad\u03c1\u03bd\u03bf\u03c5\u03bd \u03c3\u03c4\u03bf \u03b1\u03bd\u03ce\u03c4\u03b5\u03c1\u03bf 1\/4 \u03c4\u03c9\u03bd \u03b5\u03c0\u03b9\u03b4\u03cc\u03c3\u03b5\u03c9\u03bd \u03cc\u03bb\u03c9\u03bd \u03c4\u03c9\u03bd \u03bc\u03b1\u03b8\u03b7\u03c4\u03ce\u03bd \u03b1\u03c0\u03cc \u03cc\u03bb\u03b5\u03c2 \u03c4\u03b9\u03c2 \u03c7\u03ce\u03c1\u03b5\u03c2 \u03c0\u03bf\u03c5 \u03c3\u03c5\u03bc\u03bc\u03b5\u03c4\u03ad\u03c7\u03bf\u03c5\u03bd \u03c3\u03c4\u03b7\u03bd PISA.\u00a0<strong>\u0391\u03c5\u03c4\u03bf\u03cd\u03c2 \u03c4\u03bf\u03c5\u03c2 \u03c7\u03b1\u03c1\u03b1\u03ba\u03c4\u03b7\u03c1\u03af\u03b6\u03b5\u03b9 \u201c\u03b1\u03bd\u03b8\u03b5\u03ba\u03c4\u03b9\u03ba\u03bf\u03cd\u03c2\u201d.<\/strong>\u00a0\u03a4\u03bf \u03c0\u03cc\u03c3\u03bf\u03b9 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b4\u03b5\u03af\u03c7\u03bd\u03b5\u03b9 \u03c4\u03bf \u03ba\u03b1\u03c4\u03ac \u03c0\u03cc\u03c3\u03bf \u03ad\u03bd\u03b1 \u03b5\u03ba\u03c0\u03b1\u03b9\u03b4\u03b5\u03c5\u03c4\u03b9\u03ba\u03cc \u03c3\u03cd\u03c3\u03c4\u03b7\u03bc\u03b1 \u03b4\u03af\u03bd\u03b5\u03b9 \u03b5\u03c5\u03ba\u03b1\u03b9\u03c1\u03af\u03b5\u03c2 \u03c3\u03b5 \u03c0\u03b1\u03b9\u03b4\u03b9\u03ac \u03c0\u03bf\u03c5 \u03b4\u03b5\u03bd \u03c0\u03c1\u03bf\u03ad\u03c1\u03c7\u03bf\u03bd\u03c4\u03b1\u03b9 \u03b1\u03c0\u03cc \u03b5\u03c5\u03bd\u03bf\u03ca\u03ba\u03cc \u03c0\u03b5\u03c1\u03b9\u03b2\u03ac\u03bb\u03bb\u03bf\u03bd \u03b3\u03b9\u03b1 \u03bd\u03b1 \u03b4\u03b9\u03b1\u03ba\u03c1\u03b9\u03b8\u03bf\u03cd\u03bd. \u03a3\u03c4\u03b9\u03c2 \u03c7\u03ce\u03c1\u03b5\u03c2 \u03c4\u03bf\u03c5 \u039f\u039f\u03a3\u0391 \u03c4\u03bf 29% \u03c4\u03c9\u03bd \u201c\u03bc\u03b7 \u03c0\u03c1\u03bf\u03bd\u03bf\u03bc\u03b9\u03bf\u03cd\u03c7\u03c9\u03bd\u201d \u03bc\u03b1\u03b8\u03b7\u03c4\u03ce\u03bd \u03b5\u03af\u03bd\u03b1\u03b9 \u201c\u03b1\u03bd\u03b8\u03b5\u03ba\u03c4\u03b9\u03ba\u03bf\u03af\u201d.\u00a0<strong>\u03a3\u03c4\u03b7\u03bd \u0395\u03bb\u03bb\u03ac\u03b4\u03b1, \u03cc\u03bc\u03c9\u03c2, \u03c4\u03bf \u03b1\u03bd\u03c4\u03af\u03c3\u03c4\u03bf\u03b9\u03c7\u03bf \u03c0\u03bf\u03c3\u03bf\u03c3\u03c4\u03cc \u03b5\u03af\u03bd\u03b1\u03b9 18%<\/strong>.<\/p>\n<div class=\"large-image-container\">\n<p><img decoding=\"async\" loading=\"lazy\" class=\"size-full wp-image-20593 image-outside-container aligncenter\" src=\"https:\/\/i0.wp.com\/www.dianeosis.org\/wp-content\/uploads\/2019\/11\/pisa2015_synopsi-v9-7.png?resize=700%2C560&#038;ssl=1\" sizes=\"(max-width: 1523px) 100vw, 1523px\" srcset=\"https:\/\/i0.wp.com\/www.dianeosis.org\/wp-content\/uploads\/2019\/11\/pisa2015_synopsi-v9-7.png?resize=700%2C560&#038;ssl=1 1523w, https:\/\/www.dianeosis.org\/wp-content\/uploads\/2019\/11\/pisa2015_synopsi-v9-7-768x615.png 768w, https:\/\/www.dianeosis.org\/wp-content\/uploads\/2019\/11\/pisa2015_synopsi-v9-7-1200x960.png 1200w, https:\/\/www.dianeosis.org\/wp-content\/uploads\/2019\/11\/pisa2015_synopsi-v9-7-580x464.png 580w\" alt=\"\" width=\"700\" height=\"560\" data-recalc-dims=\"1\" \/><\/p>\n<\/div>\n<p>\u0395\u03b4\u03ce \u03b1\u03be\u03af\u03b6\u03b5\u03b9 \u03bd\u03b1 \u03b1\u03bd\u03b1\u03c6\u03b5\u03c1\u03b8\u03bf\u03cd\u03bd \u03bc\u03b5\u03c1\u03b9\u03ba\u03ac \u03b2\u03b1\u03c3\u03b9\u03ba\u03ac \u03c3\u03c5\u03bc\u03c0\u03b5\u03c1\u03ac\u03c3\u03bc\u03b1\u03c4\u03b1 \u03c0\u03bf\u03c5 \u03c0\u03c1\u03bf\u03ba\u03cd\u03c0\u03c4\u03bf\u03c5\u03bd \u03b1\u03c0\u03cc \u03c4\u03b9\u03c2 \u03b1\u03c0\u03b1\u03bd\u03c4\u03ae\u03c3\u03b5\u03b9\u03c2 \u03c4\u03c9\u03bd \u03bc\u03b1\u03b8\u03b7\u03c4\u03ce\u03bd \u03c3\u03c4\u03b9\u03c2 \u03b5\u03c0\u03b9\u03bc\u03ad\u03c1\u03bf\u03c5\u03c2 \u03b5\u03c1\u03c9\u03c4\u03ae\u03c3\u03b5\u03b9\u03c2 \u03b1\u03c5\u03c4\u03bf\u03cd \u03c4\u03bf\u03c5 \u03b4\u03b5\u03af\u03ba\u03c4\u03b7. \u03a0\u03c1\u03ce\u03c4\u03bf\u03bd, \u03c5\u03c0\u03ac\u03c1\u03c7\u03bf\u03c5\u03bd \u03c3\u03b1\u03c6\u03b5\u03af\u03c2 (\u03ba\u03b1\u03b9 \u03b1\u03bd\u03b1\u03bc\u03b5\u03bd\u03cc\u03bc\u03b5\u03bd\u03b5\u03c2)\u00a0<strong>\u03b4\u03b9\u03b1\u03c6\u03bf\u03c1\u03ad\u03c2 \u03c3\u03c4\u03b9\u03c2 \u03b1\u03c0\u03b1\u03bd\u03c4\u03ae\u03c3\u03b5\u03b9\u03c2 \u03bc\u03b1\u03b8\u03b7\u03c4\u03ce\u03bd \u03b4\u03b7\u03bc\u03cc\u03c3\u03b9\u03c9\u03bd \u03ba\u03b1\u03b9 \u03b9\u03b4\u03b9\u03c9\u03c4\u03b9\u03ba\u03ce\u03bd \u03c3\u03c7\u03bf\u03bb\u03b5\u03af\u03c9\u03bd<\/strong>\u00a0\u03cc\u03c3\u03bf\u03bd \u03b1\u03c6\u03bf\u03c1\u03ac \u03c4\u03b1 \u03b1\u03bd\u03c4\u03b9\u03ba\u03b5\u03af\u03bc\u03b5\u03bd\u03b1 \u03c0\u03bf\u03c5 \u03c5\u03c0\u03ac\u03c1\u03c7\u03bf\u03c5\u03bd \u03c3\u03c4\u03bf \u03c3\u03c0\u03af\u03c4\u03b9 \u03c4\u03bf\u03c5\u03c2 \u03ba\u03b1\u03b9 \u03c4\u03bf \u03b1\u03bd\u03ce\u03c4\u03b1\u03c4\u03bf \u03bc\u03bf\u03c1\u03c6\u03c9\u03c4\u03b9\u03ba\u03cc \u03b5\u03c0\u03af\u03c0\u03b5\u03b4\u03bf \u03c4\u03c9\u03bd \u03b3\u03bf\u03bd\u03ad\u03c9\u03bd \u03c4\u03bf\u03c5\u03c2 (\u03c4\u03bf 40,2% \u03c4\u03c9\u03bd \u03bc\u03b1\u03b8\u03b7\u03c4\u03ce\u03bd \u03b4\u03b7\u03bc\u03cc\u03c3\u03b9\u03c9\u03bd \u03c3\u03c7\u03bf\u03bb\u03b5\u03af\u03c9\u03bd \u03ad\u03c7\u03bf\u03c5\u03bd \u03ad\u03c3\u03c4\u03c9 \u03ba\u03b1\u03b9 \u03ad\u03bd\u03b1\u03bd \u03b3\u03bf\u03bd\u03ad\u03b1 \u03bc\u03b5 \u03c0\u03b1\u03bd\u03b5\u03c0\u03b9\u03c3\u03c4\u03b7\u03bc\u03b9\u03b1\u03ba\u03cc \u03c4\u03af\u03c4\u03bb\u03bf -\u03c3\u03c4\u03bf\u03c5\u03c2 \u03bc\u03b1\u03b8\u03b7\u03c4\u03ad\u03c2 \u03b9\u03b4\u03b9\u03c9\u03c4\u03b9\u03ba\u03ce\u03bd \u03c3\u03c7\u03bf\u03bb\u03b5\u03af\u03c9\u03bd \u03c4\u03bf \u03c0\u03bf\u03c3\u03bf\u03c3\u03c4\u03cc \u03b5\u03af\u03bd\u03b1\u03b9 85,5%).<\/p>\n<p>\u0394\u03b5\u03cd\u03c4\u03b5\u03c1\u03bf\u03bd, \u03c4\u03bf\u00a0<strong>\u03c0\u03bf\u03c3\u03bf\u03c3\u03c4\u03cc \u03c4\u03c9\u03bd \u03b3\u03bf\u03bd\u03ad\u03c9\u03bd \u03bc\u03b5 \u03c5\u03c8\u03b7\u03bb\u03ae \u03bc\u03cc\u03c1\u03c6\u03c9\u03c3\u03b7 \u03b5\u03af\u03bd\u03b1\u03b9 \u03bc\u03b5\u03b3\u03b1\u03bb\u03cd\u03c4\u03b5\u03c1\u03bf \u03c3\u03c4\u03b9\u03c2 \u03b1\u03c3\u03c4\u03b9\u03ba\u03ad\u03c2 \u03c0\u03b5\u03c1\u03b9\u03bf\u03c7\u03ad\u03c2<\/strong>. \u03a9\u03c3\u03c4\u03cc\u03c3\u03bf, \u03cc\u03c0\u03c9\u03c2 \u03b1\u03bd\u03b1\u03c6\u03ad\u03c1\u03b5\u03b9 \u03b7 \u03ad\u03c1\u03b5\u03c5\u03bd\u03b1, \u03c3\u03c4\u03b7 \u03c7\u03ce\u03c1\u03b1 \u03bc\u03b1\u03c2 \u03c5\u03c0\u03ac\u03c1\u03c7\u03b5\u03b9 \u03bc\u03b9\u03b1 \u03c3\u03b7\u03bc\u03b1\u03bd\u03c4\u03b9\u03ba\u03ae \u03b1\u03cd\u03be\u03b7\u03c3\u03b7 \u03c3\u03b5 \u03c3\u03c7\u03ad\u03c3\u03b7 \u03bc\u03b5 \u03c0\u03c1\u03bf\u03b7\u03b3\u03bf\u03cd\u03bc\u03b5\u03bd\u03b5\u03c2 \u03ad\u03c1\u03b5\u03c5\u03bd\u03b5\u03c2 \u03c3\u03c4\u03bf \u03bc\u03bf\u03c1\u03c6\u03c9\u03c4\u03b9\u03ba\u03cc \u03b5\u03c0\u03af\u03c0\u03b5\u03b4\u03bf \u03c4\u03c9\u03bd \u03b3\u03bf\u03bd\u03ad\u03c9\u03bd \u03c3\u03b5 \u03b1\u03b3\u03c1\u03bf\u03c4\u03b9\u03ba\u03ad\u03c2 \u03c0\u03b5\u03c1\u03b9\u03bf\u03c7\u03ad\u03c2.<\/p>\n<p>\u039a\u03b1\u03c4\u03ac \u03c4\u03b1 \u03ac\u03bb\u03bb\u03b1,\u00a0<strong>\u03c4\u03bf 47% \u03c4\u03c9\u03bd \u0395\u03bb\u03bb\u03ae\u03bd\u03c9\u03bd \u03bc\u03b1\u03b8\u03b7\u03c4\u03ce\u03bd \u03bb\u03b1\u03bc\u03b2\u03ac\u03bd\u03b5\u03b9 \u03ba\u03ac\u03c0\u03bf\u03b9\u03b1\u03c2 \u03bc\u03bf\u03c1\u03c6\u03ae\u03c2 \u03b5\u03be\u03c9\u03c3\u03c7\u03bf\u03bb\u03b9\u03ba\u03ae \u03c0\u03c1\u03cc\u03c3\u03b8\u03b5\u03c4\u03b7 \u03b4\u03b9\u03b4\u03b1\u03c3\u03ba\u03b1\u03bb\u03af\u03b1<\/strong>\u00a0\u03c3\u03c4\u03b1 \u03bc\u03b1\u03b8\u03ae\u03bc\u03b1\u03c4\u03b1 \u03c6\u03c5\u03c3\u03b9\u03ba\u03ce\u03bd \u03b5\u03c0\u03b9\u03c3\u03c4\u03b7\u03bc\u03ce\u03bd. \u039f\u03b9 \u03bc\u03b9\u03c3\u03bf\u03af \u03b1\u03c0\u03cc \u03b1\u03c5\u03c4\u03bf\u03cd\u03c2 \u03ba\u03ac\u03bd\u03bf\u03c5\u03bd \u03b9\u03b4\u03b9\u03b1\u03af\u03c4\u03b5\u03c1\u03b1, \u03bf\u03b9 \u03c5\u03c0\u03cc\u03bb\u03bf\u03b9\u03c0\u03bf\u03b9 \u03ba\u03ac\u03bd\u03bf\u03c5\u03bd \u03bc\u03b1\u03b8\u03ae\u03bc\u03b1\u03c4\u03b1 \u03c3\u03b5 \u03bf\u03bb\u03b9\u03b3\u03bf\u03bc\u03b5\u03bb\u03b5\u03af\u03c2 \u03ae \u03c0\u03bf\u03bb\u03c5\u03bc\u03b5\u03bb\u03b5\u03af\u03c2 \u03bf\u03bc\u03ac\u03b4\u03b5\u03c2.<\/p>\n<p>\u03a4\u03bf 73% \u03b8\u03b5\u03c9\u03c1\u03b5\u03af \u03c3\u03b7\u03bc\u03b1\u03bd\u03c4\u03b9\u03ba\u03ac \u03cc\u03c3\u03b1 \u03bc\u03b1\u03b8\u03b1\u03af\u03bd\u03b5\u03b9 \u03c3\u03c4\u03b1 \u03bc\u03b1\u03b8\u03ae\u03bc\u03b1\u03c4\u03b1 \u03c6\u03c5\u03c3\u03b9\u03ba\u03ce\u03bd \u03b5\u03c0\u03b9\u03c3\u03c4\u03b7\u03bc\u03ce\u03bd, \u03c4\u03bf 65% \u03b4\u03b7\u03bb\u03ce\u03bd\u03bf\u03c5\u03bd \u03cc\u03c4\u03b9 \u03b4\u03b9\u03b1\u03c3\u03ba\u03b5\u03b4\u03ac\u03b6\u03bf\u03c5\u03bd \u03bd\u03b1 \u03bc\u03b1\u03b8\u03b1\u03af\u03bd\u03bf\u03c5\u03bd \u03b8\u03ad\u03bc\u03b1\u03c4\u03b1 \u03c4\u03c9\u03bd \u03c6\u03c5\u03c3\u03b9\u03ba\u03ce\u03bd \u03b5\u03c0\u03b9\u03c3\u03c4\u03b7\u03bc\u03ce\u03bd, \u03ba\u03b1\u03b9 \u03c4\u03bf 62% \u03b8\u03b5\u03c9\u03c1\u03b5\u03af \u03cc\u03c4\u03b9 \u03b1\u03c5\u03c4\u03ac \u03b8\u03b1 \u03c4\u03bf\u03c5\u03c2 \u03b2\u03bf\u03b7\u03b8\u03ae\u03c3\u03bf\u03c5\u03bd \u03c3\u03c4\u03b7\u03bd \u03b1\u03bd\u03b5\u03cd\u03c1\u03b5\u03c3\u03b7 \u03b5\u03c1\u03b3\u03b1\u03c3\u03af\u03b1\u03c2 \u03c3\u03c4\u03bf \u03bc\u03ad\u03bb\u03bb\u03bf\u03bd. \u03a9\u03c3\u03c4\u03cc\u03c3\u03bf,\u00a0<strong>\u03c4\u03bf 85,4% \u03bb\u03ad\u03bd\u03b5 \u03cc\u03c4\u03b9 \u03b4\u03b5\u03bd \u03c0\u03b5\u03c1\u03bd\u03bf\u03cd\u03bd \u03b1\u03c1\u03ba\u03b5\u03c4\u03cc \u03c7\u03c1\u03cc\u03bd\u03bf \u03c3\u03c4\u03bf \u03b5\u03c1\u03b3\u03b1\u03c3\u03c4\u03ae\u03c1\u03b9\u03bf<\/strong>\u00a0\u03ba\u03ac\u03bd\u03bf\u03bd\u03c4\u03b1\u03c2 \u03c0\u03b5\u03b9\u03c1\u03ac\u03bc\u03b1\u03c4\u03b1, \u03b5\u03bd\u03ce \u03ad\u03bd\u03b1\u00a0<strong>70,3% \u03bb\u03ad\u03bd\u03b5 \u03c0\u03c9\u03c2 \u03b4\u03b5\u03bd \u03b3\u03af\u03bd\u03b5\u03c4\u03b1\u03b9 \u03c3\u03c5\u03b6\u03ae\u03c4\u03b7\u03c3\u03b7 \u03c3\u03c4\u03b7\u03bd \u03c4\u03ac\u03be\u03b7 \u03b3\u03b9\u03b1 \u03c4\u03b1 \u03c0\u03b5\u03b9\u03c1\u03ac\u03bc\u03b1\u03c4\u03b1<\/strong>\u00a0\u03c0\u03bf\u03c5 \u03c0\u03c1\u03cc\u03ba\u03b5\u03b9\u03c4\u03b1\u03b9 \u03bd\u03b1 \u03b4\u03b9\u03b5\u03be\u03b1\u03c7\u03b8\u03bf\u03cd\u03bd.<\/p>\n<p>\u0395\u03be\u03ac\u03bb\u03bb\u03bf\u03c5, \u03c4o\u00a0<strong>53,2% \u03c4\u03c9\u03bd \u03bc\u03b1\u03b8\u03b7\u03c4\u03ce\u03bd \u03b4\u03b7\u03bb\u03ce\u03bd\u03bf\u03c5\u03bd \u03c0\u03c9\u03c2 \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03bf\u03cd\u03bd \u03c8\u03b7\u03c6\u03b9\u03b1\u03ba\u03ad\u03c2 \u03c3\u03c5\u03c3\u03ba\u03b5\u03c5\u03ad\u03c2 \u03ba\u03b1\u03b8\u03b7\u03bc\u03b5\u03c1\u03b9\u03bd\u03ac<\/strong>\u00a0\u03b3\u03b9\u03b1 \u03bd\u03b1 \u03c3\u03c5\u03bc\u03bc\u03b5\u03c4\u03ac\u03c3\u03c7\u03bf\u03c5\u03bd \u03c3\u03b5 \u03ba\u03bf\u03b9\u03bd\u03c9\u03bd\u03b9\u03ba\u03ac \u03b4\u03af\u03ba\u03c4\u03c5\u03b1, \u03ba\u03b1\u03b9 \u03c0\u03b5\u03c1\u03af\u03c0\u03bf\u03c5 \u03bf\u03b9 \u03bc\u03b9\u03c3\u03bf\u03af (48,5%) \u03b3\u03b9\u03b1 \u03bd\u03b1 \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03ae\u03c3\u03bf\u03c5\u03bd \u03c4\u03bf \u03af\u03bd\u03c4\u03b5\u03c1\u03bd\u03b5\u03c4 \u03b3\u03b9\u03b1 \u03c8\u03c5\u03c7\u03b1\u03b3\u03c9\u03b3\u03af\u03b1.<\/p>\n<div class=\"large-image-container\">\n<p><img decoding=\"async\" loading=\"lazy\" class=\"size-full wp-image-20595 image-outside-container aligncenter\" src=\"https:\/\/i0.wp.com\/www.dianeosis.org\/wp-content\/uploads\/2019\/11\/pisa2015-v10-81-37.png?resize=700%2C446&#038;ssl=1\" sizes=\"(max-width: 2185px) 100vw, 2185px\" srcset=\"https:\/\/i0.wp.com\/www.dianeosis.org\/wp-content\/uploads\/2019\/11\/pisa2015-v10-81-37.png?resize=700%2C446&#038;ssl=1 2185w, https:\/\/www.dianeosis.org\/wp-content\/uploads\/2019\/11\/pisa2015-v10-81-37-768x490.png 768w, https:\/\/www.dianeosis.org\/wp-content\/uploads\/2019\/11\/pisa2015-v10-81-37-1200x765.png 1200w, https:\/\/www.dianeosis.org\/wp-content\/uploads\/2019\/11\/pisa2015-v10-81-37-580x370.png 580w\" alt=\"\" width=\"700\" height=\"446\" data-recalc-dims=\"1\" \/><\/p>\n<\/div>\n<p>\u0391\u03c0\u03cc \u03c4\u03b9\u03c2 \u03b1\u03c0\u03b1\u03bd\u03c4\u03ae\u03c3\u03b5\u03b9\u03c2 \u03c4\u03bf\u03c5\u03c2 \u03c3\u03b5 \u03b8\u03ad\u03bc\u03b1\u03c4\u03b1 \u03c3\u03c7\u03b5\u03c4\u03b9\u03ba\u03ac \u03bc\u03b5 \u03c4\u03b7\u03bd \u03b5\u03ba\u03c0\u03b1\u03b9\u03b4\u03b5\u03c5\u03c4\u03b9\u03ba\u03ae \u03c4\u03bf\u03c5\u03c2 \u03b5\u03bc\u03c0\u03b5\u03b9\u03c1\u03af\u03b1, \u03b3\u03b5\u03bd\u03b9\u03ba\u03cc\u03c4\u03b5\u03c1\u03b1\u00a0<strong>\u03bf\u03b9 \u0388\u03bb\u03bb\u03b7\u03bd\u03b5\u03c2 \u03bc\u03b1\u03b8\u03b7\u03c4\u03ad\u03c2 \u03c6\u03b1\u03af\u03bd\u03b5\u03c4\u03b1\u03b9 \u03bd\u03b1 \u03bc\u03b7\u03bd \u03ad\u03c7\u03bf\u03c5\u03bd \u03b1\u03c1\u03ba\u03b5\u03c4\u03ac \u03b5\u03be\u03c9\u03c4\u03b5\u03c1\u03b9\u03ba\u03ac \u03ba\u03af\u03bd\u03b7\u03c4\u03c1\u03b1 \u03c0\u03bf\u03c5 \u03bd\u03b1 \u03c4\u03bf\u03c5\u03c2 \u03c9\u03b8\u03bf\u03cd\u03bd \u03c3\u03c4\u03b7 \u03bc\u03b5\u03bb\u03ad\u03c4\u03b7<\/strong>, \u03bd\u03b1 \u03bc\u03b7\u03bd \u03ad\u03c7\u03bf\u03c5\u03bd \u03c0\u03c1\u03cc\u03c3\u03b2\u03b1\u03c3\u03b7 \u03ba\u03b1\u03b9 \u03b5\u03be\u03bf\u03b9\u03ba\u03b5\u03af\u03c9\u03c3\u03b7 \u03bc\u03b5 \u03c4\u03b7\u03bd \u03c0\u03b5\u03b9\u03c1\u03b1\u03bc\u03b1\u03c4\u03b9\u03ba\u03ae \u03b4\u03b9\u03b1\u03b4\u03b9\u03ba\u03b1\u03c3\u03af\u03b1 \u03c3\u03c4\u03bf \u03c3\u03c7\u03bf\u03bb\u03b5\u03af\u03bf \u03ba\u03b1\u03b9 \u03b7 \u03b5\u03bc\u03c0\u03b5\u03b9\u03c1\u03af\u03b1 \u03b4\u03b9\u03b4\u03b1\u03c3\u03ba\u03b1\u03bb\u03af\u03b1\u03c2 \u03c4\u03bf\u03c5\u03c2 \u03bd\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 \u03ad\u03bd\u03c4\u03bf\u03bd\u03b1 \u201c\u03b4\u03b1\u03c3\u03ba\u03b1\u03bb\u03bf\u03ba\u03b5\u03bd\u03c4\u03c1\u03b9\u03ba\u03ae\u201d, \u03bc\u03b5 \u03c3\u03c7\u03b5\u03b4\u03cc\u03bd \u03c0\u03bb\u03ae\u03c1\u03b7 \u03b1\u03c0\u03bf\u03c5\u03c3\u03af\u03b1 \u03b1\u03bd\u03b1\u03c4\u03c1\u03bf\u03c6\u03bf\u03b4\u03cc\u03c4\u03b7\u03c3\u03b7\u03c2 \u03b1\u03c0\u03cc \u03c4\u03bf\u03c5\u03c2 \u03ba\u03b1\u03b8\u03b7\u03b3\u03b7\u03c4\u03ad\u03c2 \u03c4\u03bf\u03c5\u03c2 \u03ae, \u03cc\u03c0\u03bf\u03c5 \u03c5\u03c0\u03ac\u03c1\u03c7\u03b5\u03b9, \u03bc\u03b5 \u03c7\u03b1\u03bc\u03b7\u03bb\u03ae\u03c2 \u03c0\u03bf\u03b9\u03cc\u03c4\u03b7\u03c4\u03b1\u03c2 \u03b1\u03bd\u03b1\u03c4\u03c1\u03bf\u03c6\u03bf\u03b4\u03cc\u03c4\u03b7\u03c3\u03b7. \u0395\u03af\u03bd\u03b1\u03b9 \u03c7\u03b1\u03c1\u03b1\u03ba\u03c4\u03b7\u03c1\u03b9\u03c3\u03c4\u03b9\u03ba\u03cc \u03cc\u03c4\u03b9 \u03bf\u03b9 \u03bc\u03b1\u03b8\u03b7\u03c4\u03ad\u03c2 \u03c0\u03bf\u03c5 \u03bb\u03ad\u03bd\u03b5 \u03cc\u03c4\u03b9 \u03bf\u03b9 \u03ba\u03b1\u03b8\u03b7\u03b3\u03b7\u03c4\u03ad\u03c2 \u03c4\u03bf\u03c5\u03c2 \u03c4\u03bf\u03c5\u03c2 \u03c0\u03c1\u03bf\u03c3\u03c6\u03ad\u03c1\u03bf\u03c5\u03bd \u03b1\u03bd\u03b1\u03c4\u03c1\u03bf\u03c6\u03bf\u03b4\u03cc\u03c4\u03b7\u03c3\u03b7, \u03c4\u03b1 \u03c0\u03b7\u03b3\u03b1\u03af\u03bd\u03bf\u03c5\u03bd \u03c7\u03b5\u03b9\u03c1\u03cc\u03c4\u03b5\u03c1\u03b1.<\/p>\n<p>\u0391\u03bb\u03bb\u03ac \u03b1\u03c2 \u03b4\u03bf\u03cd\u03bc\u03b5 \u03bb\u03af\u03b3\u03bf \u03bb\u03b5\u03c0\u03c4\u03bf\u03bc\u03b5\u03c1\u03ad\u03c3\u03c4\u03b5\u03c1\u03b1 \u03c0\u03bf\u03b9\u03bf\u03b9 \u03b1\u03c0\u03cc \u03c4\u03bf\u03c5\u03c2 \u03c0\u03b1\u03c1\u03b1\u03c0\u03ac\u03bd\u03c9 \u03c0\u03b1\u03c1\u03ac\u03b3\u03bf\u03bd\u03c4\u03b5\u03c2 \u03c3\u03c7\u03b5\u03c4\u03af\u03b6\u03bf\u03bd\u03c4\u03b1\u03b9 \u03c0\u03b5\u03c1\u03b9\u03c3\u03c3\u03cc\u03c4\u03b5\u03c1\u03bf \u03bc\u03b5 \u03c4\u03b9\u03c2 \u03b5\u03c0\u03b9\u03b4\u03cc\u03c3\u03b5\u03b9\u03c2 \u03c4\u03c9\u03bd \u03bc\u03b1\u03b8\u03b7\u03c4\u03ce\u03bd.<\/p>\n<h3><strong>4. \u03a4\u03b9 \u03c6\u03c4\u03b1\u03af\u03b5\u03b9 \u03b3\u03b9\u03b1 \u03c4\u03b1 \u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03ad\u03c3\u03bc\u03b1\u03c4\u03b1;<\/strong><\/h3>\n<p><span class=\"dropcap\">\u039f<\/span>\u03b9 \u03c0\u03b1\u03c1\u03ac\u03b3\u03bf\u03bd\u03c4\u03b5\u03c2 \u03c0\u03bf\u03c5 \u03b5\u03c0\u03b7\u03c1\u03b5\u03ac\u03b6\u03bf\u03c5\u03bd \u03c4\u03bf \u03b1\u03bd \u03bf\u03b9 \u03bc\u03b1\u03b8\u03b7\u03c4\u03ad\u03c2 \u03bc\u03b9\u03b1\u03c2 \u03c7\u03ce\u03c1\u03b1\u03c2 \u03c4\u03b1 \u03c0\u03ac\u03bd\u03b5 \u03ba\u03b1\u03bb\u03cd\u03c4\u03b5\u03c1\u03b1 \u03ae \u03c7\u03b5\u03b9\u03c1\u03cc\u03c4\u03b5\u03c1\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 \u03c0\u03bf\u03bb\u03bb\u03bf\u03af \u03ba\u03b1\u03b9 \u03c0\u03b5\u03c1\u03af\u03c0\u03bb\u03bf\u03ba\u03bf\u03b9. \u039a\u03ac\u03c0\u03bf\u03b9\u03bf\u03b9, \u03c9\u03c3\u03c4\u03cc\u03c3\u03bf, \u03b5\u03af\u03bd\u03b1\u03b9 \u03b1\u03bd\u03b1\u03bc\u03b5\u03bd\u03cc\u03bc\u03b5\u03bd\u03bf\u03b9 \u03ba\u03b1\u03b9 \u03b1\u03c5\u03c4\u03bf\u03bd\u03cc\u03b7\u03c4\u03bf\u03b9. \u03a4\u03b1 \u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03ad\u03c3\u03bc\u03b1\u03c4\u03b1 \u03bc\u03b9\u03b1\u03c2 \u03c4\u03cc\u03c3\u03bf \u03bc\u03b5\u03b3\u03ac\u03bb\u03b7\u03c2 \u03ad\u03c1\u03b5\u03c5\u03bd\u03b1\u03c2 \u03b5\u03c0\u03b1\u03bb\u03b7\u03b8\u03b5\u03cd\u03bf\u03c5\u03bd, \u03c0\u03c1\u03ac\u03b3\u03bc\u03b1\u03c4\u03b9, \u03cc\u03c4\u03b9 \u03bf\u03b9 \u03c0\u03bb\u03bf\u03cd\u03c3\u03b9\u03b5\u03c2 \u03c7\u03ce\u03c1\u03b5\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b3\u03b5\u03bd\u03b9\u03ba\u03ac \u03c0\u03b9\u03bf \u03c0\u03b9\u03b8\u03b1\u03bd\u03cc \u03bd\u03b1 \u03ad\u03c7\u03bf\u03c5\u03bd \u03c0\u03b5\u03c1\u03b9\u03c3\u03c3\u03cc\u03c4\u03b5\u03c1\u03bf\u03c5\u03c2 \u03ba\u03b1\u03bb\u03bf\u03cd\u03c2 \u03bc\u03b1\u03b8\u03b7\u03c4\u03ad\u03c2 \u03b1\u03c0\u0384\u03cc,\u03c4\u03b9 \u03bf\u03b9 \u03c6\u03c4\u03c9\u03c7\u03ad\u03c2. \u0391\u03c5\u03c4\u03ad\u03c2 \u03c0\u03bf\u03c5 \u03c3\u03c5\u03b3\u03ba\u03b5\u03ba\u03c1\u03b9\u03bc\u03ad\u03bd\u03b1 \u03b4\u03b1\u03c0\u03b1\u03bd\u03bf\u03cd\u03bd \u03c0\u03b9\u03bf \u03c0\u03bf\u03bb\u03bb\u03ac \u03b3\u03b9\u03b1 \u03c4\u03b7\u03bd \u03b5\u03ba\u03c0\u03b1\u03af\u03b4\u03b5\u03c5\u03c3\u03b7 \u03ad\u03c7\u03bf\u03c5\u03bd \u03b1\u03ba\u03cc\u03bc\u03b1 \u03bc\u03b5\u03b3\u03b1\u03bb\u03cd\u03c4\u03b5\u03c1\u03b5\u03c2 \u03c0\u03b9\u03b8\u03b1\u03bd\u03cc\u03c4\u03b7\u03c4\u03b5\u03c2 \u03bd\u03b1 \u03b2\u03c1\u03af\u03c3\u03ba\u03bf\u03bd\u03c4\u03b1\u03b9 \u03c3\u03b5 \u03ba\u03b1\u03bb\u03cd\u03c4\u03b5\u03c1\u03bf \u03b5\u03c0\u03af\u03c0\u03b5\u03b4\u03bf. \u03a3\u03b5 \u03ba\u03b1\u03bc\u03af\u03b1 \u03b1\u03c0\u03cc \u03c4\u03b9\u03c2 \u03b4\u03cd\u03bf \u03c0\u03b5\u03c1\u03b9\u03c0\u03c4\u03ce\u03c3\u03b5\u03b9\u03c2 \u03b7 \u03c3\u03c5\u03c3\u03c7\u03ad\u03c4\u03b9\u03c3\u03b7 \u03b4\u03b5\u03bd \u03b5\u03af\u03bd\u03b1\u03b9 \u03bc\u03b5\u03b3\u03ac\u03bb\u03b7, \u03c9\u03c3\u03c4\u03cc\u03c3\u03bf.\u00a0<strong>\u0397 \u03bc\u03b9\u03ba\u03c1\u03ae \u0395\u03c3\u03b8\u03bf\u03bd\u03af\u03b1, \u03b3\u03b9\u03b1 \u03c0\u03b1\u03c1\u03ac\u03b4\u03b5\u03b9\u03b3\u03bc\u03b1, \u03b4\u03b1\u03c0\u03b1\u03bd\u03ac \u03c0\u03bf\u03bb\u03cd \u03bb\u03b9\u03b3\u03cc\u03c4\u03b5\u03c1\u03b1 \u03b1\u03c0\u03cc \u03c4\u03b7\u03bd \u0395\u03bb\u03b2\u03b5\u03c4\u03af\u03b1 \u03b3\u03b9\u03b1 \u03c4\u03b7\u03bd \u03b5\u03ba\u03c0\u03b1\u03af\u03b4\u03b5\u03c5\u03c3\u03b7 \u03ba\u03ac\u03b8\u03b5 \u03bc\u03b1\u03b8\u03b7\u03c4\u03ae, \u03b1\u03bb\u03bb\u03ac \u03bf\u03b9 \u03bc\u03b1\u03b8\u03b7\u03c4\u03ad\u03c2 \u03c4\u03b7\u03c2 \u03c4\u03b1 \u03c0\u03b7\u03b3\u03b1\u03af\u03bd\u03bf\u03c5\u03bd \u03ba\u03b1\u03bb\u03cd\u03c4\u03b5\u03c1\u03b1 \u03c3\u03c4\u03b7\u03bd \u03b5\u03be\u03ad\u03c4\u03b1\u03c3\u03b7 \u03c4\u03bf\u03c5 PISA<\/strong>.<\/p>\n<p>\u0395\u03bd\u03c4\u03cc\u03c2 \u03c4\u03b7\u03c2 \u03ba\u03ac\u03b8\u03b5 \u03c7\u03ce\u03c1\u03b1\u03c2, \u03c4\u03bf \u03bf\u03b9\u03ba\u03bf\u03bd\u03bf\u03bc\u03b9\u03ba\u03cc \u03ba\u03b1\u03b9 \u03c4\u03bf \u03ba\u03bf\u03b9\u03bd\u03c9\u03bd\u03b9\u03ba\u03cc \u03c5\u03c0\u03cc\u03b2\u03b1\u03b8\u03c1\u03bf \u03c4\u03c9\u03bd \u03c0\u03b1\u03b9\u03b4\u03b9\u03ce\u03bd \u03b1\u03c3\u03c6\u03b1\u03bb\u03ce\u03c2 \u03ba\u03b1\u03b9 \u03b5\u03c0\u03b7\u03c1\u03b5\u03ac\u03b6\u03b5\u03b9 \u03c4\u03b9\u03c2 \u03b5\u03c0\u03b9\u03b4\u03cc\u03c3\u03b5\u03b9\u03c2 \u03c4\u03bf\u03c5\u03c2 \u03c3\u03c4\u03b7\u03bd \u03b5\u03be\u03ad\u03c4\u03b1\u03c3\u03b7.<\/p>\n<p>\u0388\u03bd\u03b1 \u03b1\u03bd\u03b1\u03bc\u03b5\u03bd\u03cc\u03bc\u03b5\u03bd\u03bf \u03b1\u03c0\u03bf\u03c4\u03ad\u03bb\u03b5\u03c3\u03bc\u03b1, \u03b3\u03b9\u03b1 \u03c0\u03b1\u03c1\u03ac\u03b4\u03b5\u03b9\u03b3\u03bc\u03b1, \u03ad\u03c7\u03b5\u03b9 \u03bd\u03b1 \u03ba\u03ac\u03bd\u03b5\u03b9 \u03bc\u03b5 \u03c4\u03b7 \u03b4\u03b9\u03b1\u03c6\u03bf\u03c1\u03ac \u03c3\u03c4\u03b9\u03c2 \u03b5\u03c0\u03b9\u03b4\u03cc\u03c3\u03b5\u03b9\u03c2 \u03c0\u03b1\u03b9\u03b4\u03b9\u03ce\u03bd \u03c0\u03bf\u03c5 \u03c0\u03b7\u03b3\u03b1\u03af\u03bd\u03bf\u03c5\u03bd \u03c3\u03b5 \u03b4\u03b7\u03bc\u03cc\u03c3\u03b9\u03b1 \u03ba\u03b1\u03b9 \u03b9\u03b4\u03b9\u03c9\u03c4\u03b9\u03ba\u03ac \u03c3\u03c7\u03bf\u03bb\u03b5\u03af\u03b1. \u03a4\u03bf \u03b4\u03b5\u03af\u03b3\u03bc\u03b1 \u03c4\u03c9\u03bd \u0395\u03bb\u03bb\u03ae\u03bd\u03c9\u03bd \u03bc\u03b1\u03b8\u03b7\u03c4\u03ce\u03bd \u03c0\u03bf\u03c5 \u03c3\u03c5\u03bc\u03bc\u03b5\u03c4\u03ad\u03c7\u03bf\u03c5\u03bd \u03c3\u03c4\u03b7\u03bd \u03ad\u03c1\u03b5\u03c5\u03bd\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b1\u03bd\u03c4\u03b9\u03c0\u03c1\u03bf\u03c3\u03c9\u03c0\u03b5\u03c5\u03c4\u03b9\u03ba\u03cc \u03c4\u03bf\u03c5 \u03b3\u03b5\u03bd\u03b9\u03ba\u03bf\u03cd \u03c0\u03bb\u03b7\u03b8\u03c5\u03c3\u03bc\u03bf\u03cd, \u03bf\u03c0\u03cc\u03c4\u03b5 \u03b7 \u03c3\u03c5\u03bd\u03c4\u03c1\u03b9\u03c0\u03c4\u03b9\u03ba\u03ae \u03c0\u03bb\u03b5\u03b9\u03bf\u03c8\u03b7\u03c6\u03af\u03b1 \u03c4\u03c9\u03bd \u03c0\u03b1\u03b9\u03b4\u03b9\u03ce\u03bd (\u03c4\u03bf 95%) \u03c0\u03c1\u03bf\u03ad\u03c1\u03c7\u03bf\u03bd\u03c4\u03b1\u03bd \u03b1\u03c0\u03cc\u00a0<strong>\u03b4\u03b7\u03bc\u03cc\u03c3\u03b9\u03b1 \u03c3\u03c7\u03bf\u03bb\u03b5\u03af\u03b1<\/strong>, \u03ba\u03b1\u03b9 \u03ad\u03c4\u03c3\u03b9 \u03bf\u03b9 \u03b5\u03c0\u03b9\u03b4\u03cc\u03c3\u03b5\u03b9\u03c2 \u03c4\u03bf\u03c5\u03c2 \u03ae\u03c4\u03b1\u03bd \u03c0\u03bf\u03bb\u03cd \u03ba\u03bf\u03bd\u03c4\u03ac \u03c3\u03c4\u03bf\u03bd \u03b3\u03b5\u03bd\u03b9\u03ba\u03cc \u03bc\u03ad\u03c3\u03bf \u03cc\u03c1\u03bf: \u03b2\u03b1\u03b8\u03bc\u03cc\u03c2\u00a0<strong>452 \u03c3\u03c4\u03b9\u03c2 \u03c6\u03c5\u03c3\u03b9\u03ba\u03ad\u03c2 \u03b5\u03c0\u03b9\u03c3\u03c4\u03ae\u03bc\u03b5\u03c2<\/strong>. \u039f\u03b9 \u03bc\u03b1\u03b8\u03b7\u03c4\u03ad\u03c2 \u03cc\u03bc\u03c9\u03c2 \u03c0\u03bf\u03c5 \u03c0\u03c1\u03bf\u03ad\u03c1\u03c7\u03bf\u03bd\u03c4\u03b1\u03bd \u03b1\u03c0\u03cc\u00a0<strong>\u03b9\u03b4\u03b9\u03c9\u03c4\u03b9\u03ba\u03ac \u03c3\u03c7\u03bf\u03bb\u03b5\u03af\u03b1 \u03c0\u03ae\u03c1\u03b1\u03bd \u03c3\u03c4\u03bf \u03af\u03b4\u03b9\u03bf \u03bc\u03ac\u03b8\u03b7\u03bc\u03b1 \u03ba\u03b1\u03c4\u03ac \u03bc\u03ad\u03c3\u03bf \u03cc\u03c1\u03bf 520<\/strong>. \u03a0\u03c1\u03cc\u03ba\u03b5\u03b9\u03c4\u03b1\u03b9 \u03b3\u03b9\u03b1 \u03bc\u03b5\u03b3\u03ac\u03bb\u03b7 \u03b4\u03b9\u03b1\u03c6\u03bf\u03c1\u03ac, 68 \u03bc\u03bf\u03bd\u03ac\u03b4\u03b5\u03c2, \u03ba\u03b1\u03b9 \u03b3\u03b9\u03b1 \u03bc\u03b9\u03b1 \u03b5\u03c0\u03af\u03b4\u03bf\u03c3\u03b7 \u03b1\u03bd\u03c4\u03af\u03c3\u03c4\u03bf\u03b9\u03c7\u03b7 \u03c4\u03c9\u03bd \u03c0\u03b1\u03b9\u03b4\u03b9\u03ce\u03bd \u03b1\u03c0\u03cc \u03c4\u03b9\u03c2 \u03bc\u03b5\u03b3\u03ac\u03bb\u03b5\u03c2 \u03c0\u03cc\u03bb\u03b5\u03b9\u03c2 \u03c4\u03b7\u03c2 \u039a\u03af\u03bd\u03b1\u03c2. \u03a3\u03cd\u03bc\u03c6\u03c9\u03bd\u03b1 \u03bc\u03b5 \u03c4\u03bf\u03bd \u03b3\u03b5\u03bd\u03b9\u03ba\u03cc \u03ba\u03b1\u03bd\u03cc\u03bd\u03b1 \u03c0\u03bf\u03c5 \u03b1\u03bd\u03b1\u03c6\u03ad\u03c1\u03b1\u03bc\u03b5 \u03c0\u03b9\u03bf \u03c0\u03c1\u03b9\u03bd,\u00a0<strong>\u03b5\u03af\u03bd\u03b1\u03b9 \u03c3\u03b1\u03bd \u03bf\u03b9 \u0388\u03bb\u03bb\u03b7\u03bd\u03b5\u03c2 \u03bc\u03b1\u03b8\u03b7\u03c4\u03ad\u03c2 \u03c4\u03c9\u03bd \u03b9\u03b4\u03b9\u03c9\u03c4\u03b9\u03ba\u03ce\u03bd \u03c3\u03c7\u03bf\u03bb\u03b5\u03af\u03c9\u03bd \u03bd\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 \u03c3\u03c7\u03b5\u03b4\u03cc\u03bd \u03b4\u03cd\u03bf \u03c7\u03c1\u03cc\u03bd\u03b9\u03b1 \u03bc\u03c0\u03c1\u03bf\u03c3\u03c4\u03ac \u03b1\u03c0\u03cc \u03c4\u03bf\u03c5\u03c2 \u03bc\u03b1\u03b8\u03b7\u03c4\u03ad\u03c2 \u03c4\u03c9\u03bd \u03b4\u03b7\u03bc\u03cc\u03c3\u03b9\u03c9\u03bd<\/strong>. \u0395\u03af\u03bd\u03b1\u03b9 \u03b4\u03b7\u03bb\u03b1\u03b4\u03ae, \u03c3\u03b1\u03bd \u03bf \u03bc\u03ad\u03c3\u03bf\u03c2 15\u03c7\u03c1\u03bf\u03bd\u03bf\u03c2 \u03bc\u03b1\u03b8\u03b7\u03c4\u03ae\u03c2 \u03b9\u03b4\u03b9\u03c9\u03c4\u03b9\u03ba\u03bf\u03cd \u03c3\u03c7\u03bf\u03bb\u03b5\u03af\u03bf\u03c5 \u03c3\u03c4\u03b7\u03bd \u0395\u03bb\u03bb\u03ac\u03b4\u03b1 \u03bd\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 \u03c3\u03c4\u03bf \u03b5\u03c0\u03af\u03c0\u03b5\u03b4\u03bf \u03c4\u03bf\u03c5 \u03bc\u03ad\u03c3\u03bf\u03c5 17\u03c7\u03c1\u03bf\u03bd\u03bf\u03c5 \u03bc\u03b1\u03b8\u03b7\u03c4\u03ae \u03b4\u03b7\u03bc\u03cc\u03c3\u03b9\u03bf\u03c5 \u03c3\u03c7\u03bf\u03bb\u03b5\u03af\u03bf\u03c5.<\/p>\n<div class=\"large-image-container\">\n<p><img decoding=\"async\" loading=\"lazy\" class=\"size-full wp-image-20597 image-outside-container aligncenter\" src=\"https:\/\/i0.wp.com\/www.dianeosis.org\/wp-content\/uploads\/2019\/11\/pisa2015-v10-96-58.png?resize=700%2C181&#038;ssl=1\" sizes=\"(max-width: 1581px) 100vw, 1581px\" srcset=\"https:\/\/i0.wp.com\/www.dianeosis.org\/wp-content\/uploads\/2019\/11\/pisa2015-v10-96-58.png?resize=700%2C181&#038;ssl=1 1581w, https:\/\/www.dianeosis.org\/wp-content\/uploads\/2019\/11\/pisa2015-v10-96-58-768x198.png 768w, https:\/\/www.dianeosis.org\/wp-content\/uploads\/2019\/11\/pisa2015-v10-96-58-1200x310.png 1200w, https:\/\/www.dianeosis.org\/wp-content\/uploads\/2019\/11\/pisa2015-v10-96-58-580x150.png 580w\" alt=\"\" width=\"700\" height=\"181\" data-recalc-dims=\"1\" \/><\/p>\n<\/div>\n<p><strong>\u0395\u03c0\u03b9\u03c0\u03bb\u03ad\u03bf\u03bd, \u03c4\u03bf 9,2% \u03c4\u03c9\u03bd \u0395\u03bb\u03bb\u03ae\u03bd\u03c9\u03bd \u03bc\u03b1\u03b8\u03b7\u03c4\u03ce\u03bd \u03b9\u03b4\u03b9\u03c9\u03c4\u03b9\u03ba\u03ce\u03bd \u03c3\u03c7\u03bf\u03bb\u03b5\u03af\u03c9\u03bd \u03c0\u03b5\u03c4\u03c5\u03c7\u03b1\u03af\u03bd\u03bf\u03c5\u03bd \u03b5\u03be\u03b1\u03b9\u03c1\u03b5\u03c4\u03b9\u03ba\u03ac \u03c5\u03c8\u03b7\u03bb\u03ae \u03b5\u03c0\u03af\u03b4\u03bf\u03c3\u03b7 \u03c3\u03c4\u03b9\u03c2 \u03c6\u03c5\u03c3\u03b9\u03ba\u03ad\u03c2 \u03b5\u03c0\u03b9\u03c3\u03c4\u03ae\u03bc\u03b5\u03c2<\/strong>, \u03b4\u03b7\u03bb\u03b1\u03b4\u03ae \u03ba\u03b1\u03c4\u03b1\u03c4\u03ac\u03c3\u03c3\u03bf\u03bd\u03c4\u03b1\u03b9 \u03c3\u03c4\u03b9\u03c2 \u03b2\u03b1\u03b8\u03bc\u03af\u03b4\u03b5\u03c2 5 \u03ba\u03b1\u03b9 6.\u00a0<strong>\u039c\u03cc\u03bd\u03bf \u03c4\u03bf 1,84% \u03c4\u03c9\u03bd \u03bc\u03b1\u03b8\u03b7\u03c4\u03ce\u03bd \u03c4\u03c9\u03bd \u03b4\u03b7\u03bc\u03bf\u03c3\u03af\u03c9\u03bd \u03ba\u03b1\u03c4\u03b1\u03c4\u03ac\u03c3\u03c3\u03bf\u03bd\u03c4\u03b1\u03b9 \u03c3\u03b5 \u03b1\u03c5\u03c4\u03ad\u03c2 \u03c4\u03b9\u03c2 \u03b2\u03b1\u03b8\u03bc\u03af\u03b4\u03b5\u03c2<\/strong>.<\/p>\n<p>\u039b\u03b9\u03b3\u03cc\u03c4\u03b5\u03c1\u03bf \u03ad\u03bd\u03c4\u03bf\u03bd\u03b7 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b7 \u03c3\u03c5\u03c3\u03c7\u03ad\u03c4\u03b9\u03c3\u03b7 \u03c4\u03b7\u03c2 \u03b1\u03c3\u03c4\u03b9\u03ba\u03cc\u03c4\u03b7\u03c4\u03b1\u03c2 \u03c4\u03bf\u03c5 \u03c3\u03c7\u03bf\u03bb\u03b5\u03af\u03bf\u03c5 \u03bc\u03b5 \u03c4\u03b9\u03c2 \u03b5\u03c0\u03b9\u03b4\u03cc\u03c3\u03b5\u03b9\u03c2 \u03c4\u03c9\u03bd \u03bc\u03b1\u03b8\u03b7\u03c4\u03ce\u03bd, \u03b5\u03bd\u03ce \u03c4\u03bf \u03c6\u03cd\u03bb\u03bf, \u03b1\u03c0\u03cc \u03cc,\u03c4\u03b9 \u03c6\u03b1\u03af\u03bd\u03b5\u03c4\u03b1\u03b9, \u03b4\u03b5\u03bd \u03c0\u03b1\u03af\u03b6\u03b5\u03b9 \u03c3\u03b7\u03bc\u03b1\u03bd\u03c4\u03b9\u03ba\u03cc \u03c1\u03cc\u03bb\u03bf. \u039c\u03cc\u03bd\u03bf \u03c3\u03c4\u03b7\u03bd \u03ba\u03b1\u03c4\u03b1\u03bd\u03cc\u03b7\u03c3\u03b7 \u03ba\u03b5\u03b9\u03bc\u03ad\u03bd\u03bf\u03c5 \u03c5\u03c0\u03b5\u03c1\u03c4\u03b5\u03c1\u03bf\u03cd\u03bd \u03b1\u03be\u03b9\u03bf\u03c3\u03b7\u03bc\u03b5\u03af\u03c9\u03c4\u03b1 \u03c4\u03b1 \u03ba\u03bf\u03c1\u03af\u03c4\u03c3\u03b9\u03b1.<\/p>\n<div class=\"large-image-container\">\n<p><img decoding=\"async\" loading=\"lazy\" class=\"size-full wp-image-20599 image-outside-container aligncenter\" src=\"https:\/\/i0.wp.com\/www.dianeosis.org\/wp-content\/uploads\/2019\/11\/pisa2015-v10-33-2a.png?resize=700%2C159&#038;ssl=1\" sizes=\"(max-width: 1551px) 100vw, 1551px\" srcset=\"https:\/\/i0.wp.com\/www.dianeosis.org\/wp-content\/uploads\/2019\/11\/pisa2015-v10-33-2a.png?resize=700%2C159&#038;ssl=1 1551w, https:\/\/www.dianeosis.org\/wp-content\/uploads\/2019\/11\/pisa2015-v10-33-2a-768x174.png 768w, https:\/\/www.dianeosis.org\/wp-content\/uploads\/2019\/11\/pisa2015-v10-33-2a-1200x272.png 1200w, https:\/\/www.dianeosis.org\/wp-content\/uploads\/2019\/11\/pisa2015-v10-33-2a-580x132.png 580w\" alt=\"\" width=\"700\" height=\"159\" data-recalc-dims=\"1\" \/><\/p>\n<\/div>\n<div class=\"large-image-container\">\n<p><img decoding=\"async\" loading=\"lazy\" class=\"size-full wp-image-20601 image-outside-container aligncenter\" src=\"https:\/\/i0.wp.com\/www.dianeosis.org\/wp-content\/uploads\/2019\/11\/pisa2015-v10-33-2b.png?resize=700%2C169&#038;ssl=1\" sizes=\"(max-width: 1551px) 100vw, 1551px\" srcset=\"https:\/\/i0.wp.com\/www.dianeosis.org\/wp-content\/uploads\/2019\/11\/pisa2015-v10-33-2b.png?resize=700%2C169&#038;ssl=1 1551w, https:\/\/www.dianeosis.org\/wp-content\/uploads\/2019\/11\/pisa2015-v10-33-2b-768x186.png 768w, https:\/\/www.dianeosis.org\/wp-content\/uploads\/2019\/11\/pisa2015-v10-33-2b-1200x290.png 1200w, https:\/\/www.dianeosis.org\/wp-content\/uploads\/2019\/11\/pisa2015-v10-33-2b-580x140.png 580w\" alt=\"\" width=\"700\" height=\"169\" data-recalc-dims=\"1\" \/><\/p>\n<\/div>\n<div class=\"large-image-container\">\n<p><img decoding=\"async\" loading=\"lazy\" class=\"size-full wp-image-20603 image-outside-container aligncenter\" src=\"https:\/\/i0.wp.com\/www.dianeosis.org\/wp-content\/uploads\/2019\/11\/pisa2015-v10-33-2g.png?resize=700%2C160&#038;ssl=1\" sizes=\"(max-width: 1551px) 100vw, 1551px\" srcset=\"https:\/\/i0.wp.com\/www.dianeosis.org\/wp-content\/uploads\/2019\/11\/pisa2015-v10-33-2g.png?resize=700%2C160&#038;ssl=1 1551w, https:\/\/www.dianeosis.org\/wp-content\/uploads\/2019\/11\/pisa2015-v10-33-2g-768x175.png 768w, https:\/\/www.dianeosis.org\/wp-content\/uploads\/2019\/11\/pisa2015-v10-33-2g-1200x274.png 1200w, https:\/\/www.dianeosis.org\/wp-content\/uploads\/2019\/11\/pisa2015-v10-33-2g-580x132.png 580w\" alt=\"\" width=\"700\" height=\"160\" data-recalc-dims=\"1\" \/><\/p>\n<\/div>\n<p>\u0391\u03bd\u03c4\u03af\u03c3\u03c4\u03bf\u03b9\u03c7\u03b1 \u03c3\u03c5\u03bc\u03c0\u03b5\u03c1\u03ac\u03c3\u03bc\u03b1\u03c4\u03b1 \u03c0\u03c1\u03bf\u03ba\u03cd\u03c0\u03c4\u03bf\u03c5\u03bd \u03ba\u03b1\u03b9 \u03b1\u03c0\u03cc \u03c4\u03b7\u03bd \u03b1\u03bd\u03ac\u03bb\u03c5\u03c3\u03b7 \u03c4\u03c9\u03bd \u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03b5\u03c3\u03bc\u03ac\u03c4\u03c9\u03bd \u03c4\u03c9\u03bd \u03bc\u03b1\u03b8\u03b7\u03c4\u03ce\u03bd \u03c0\u03bf\u03c5 \u03b1\u03bd\u03ae\u03ba\u03bf\u03c5\u03bd \u03c3\u03c4\u03b9\u03c2 \u03b4\u03b9\u03ac\u03c6\u03bf\u03c1\u03b5\u03c2 \u03ba\u03b1\u03c4\u03b7\u03b3\u03bf\u03c1\u03af\u03b5\u03c2 \u03c4\u03bf\u03c5 \u03b4\u03b5\u03af\u03ba\u03c4\u03b7 ESCS, \u03c0\u03bf\u03c5 \u03ba\u03b1\u03c4\u03b1\u03c4\u03ac\u03c3\u03c3\u03b5\u03b9 \u03c4\u03bf\u03c5\u03c2 \u03bc\u03b1\u03b8\u03b7\u03c4\u03ad\u03c2 \u03b1\u03bd\u03ac\u03bb\u03bf\u03b3\u03b1 \u03bc\u03b5 \u03c4\u03bf \u03bf\u03b9\u03ba\u03bf\u03bd\u03bf\u03bc\u03b9\u03ba\u03cc, \u03ba\u03bf\u03b9\u03bd\u03c9\u03bd\u03b9\u03ba\u03cc \u03ba\u03b1\u03b9 \u03c0\u03bf\u03bb\u03b9\u03c4\u03b9\u03c3\u03bc\u03b9\u03ba\u03cc \u03c4\u03bf\u03c5\u03c2 \u03c5\u03c0\u03cc\u03b2\u03b1\u03b8\u03c1\u03bf.<\/p>\n<p>\u0391\u03c0\u03cc \u03c4\u03bf\u03c5\u03c2 \u0388\u03bb\u03bb\u03b7\u03bd\u03b5\u03c2 \u03bc\u03b1\u03b8\u03b7\u03c4\u03ad\u03c2 \u03c0\u03bf\u03c5 \u03c7\u03b1\u03c1\u03b1\u03ba\u03c4\u03b7\u03c1\u03af\u03c3\u03b1\u03bc\u03b5 \u03c0\u03b1\u03c1\u03b1\u03c0\u03ac\u03bd\u03c9 \u201c\u03bc\u03b7-\u03c0\u03c1\u03bf\u03bd\u03bf\u03bc\u03b9\u03bf\u03cd\u03c7\u03bf\u03c5\u03c2\u201d, \u03b3\u03b9\u03b1 \u03c0\u03b1\u03c1\u03ac\u03b4\u03b5\u03b9\u03b3\u03bc\u03b1,\u00a0<strong>\u03bf\u03b9 \u03bc\u03b9\u03c3\u03bf\u03af (49,8%) \u03c0\u03b5\u03c4\u03c5\u03c7\u03b1\u03af\u03bd\u03bf\u03c5\u03bd \u03b5\u03c0\u03af\u03b4\u03bf\u03c3\u03b7 \u03ba\u03ac\u03c4\u03c9 \u03c4\u03b7\u03c2 \u03b2\u03b1\u03b8\u03bc\u03af\u03b4\u03b1\u03c2 2<\/strong>, \u03b4\u03b7\u03bb\u03b1\u03b4\u03ae \u03ba\u03b1\u03c4\u03b1\u03c4\u03ac\u03c3\u03c3\u03bf\u03bd\u03c4\u03b1\u03b9 \u03c3\u03c4\u03bf\u03c5\u03c2 \u03b1\u03bd\u03b5\u03c0\u03b1\u03c1\u03ba\u03b5\u03af\u03c2 (\u03c3\u03c4\u03b9\u03c2 \u03c7\u03ce\u03c1\u03b5\u03c2 \u03c4\u03bf\u03c5 \u039f\u039f\u03a3\u0391 \u03c4\u03bf \u03c0\u03bf\u03c3\u03bf\u03c3\u03c4\u03cc \u03b5\u03af\u03bd\u03b1\u03b9 34%). \u039f\u03b9 \u03bc\u03b7-\u03c0\u03c1\u03bf\u03bd\u03bf\u03bc\u03b9\u03bf\u03cd\u03c7\u03bf\u03b9 \u03bc\u03b1\u03b8\u03b7\u03c4\u03ad\u03c2, \u03b5\u03be\u03ac\u03bb\u03bb\u03bf\u03c5, \u03ad\u03c7\u03bf\u03c5\u03bd 2,7 \u03c6\u03bf\u03c1\u03ad\u03c2 \u03bc\u03b5\u03b3\u03b1\u03bb\u03cd\u03c4\u03b5\u03c1\u03b7 \u03c0\u03b9\u03b8\u03b1\u03bd\u03cc\u03c4\u03b7\u03c4\u03b1 \u03b1\u03c0\u03cc \u03c4\u03bf \u03c3\u03cd\u03bd\u03bf\u03bb\u03bf \u03c4\u03c9\u03bd \u03c5\u03c0\u03cc\u03bb\u03bf\u03b9\u03c0\u03c9\u03bd \u03bc\u03b1\u03b8\u03b7\u03c4\u03ce\u03bd \u03bd\u03b1 \u03b2\u03c1\u03b5\u03b8\u03bf\u03cd\u03bd \u03c3\u03c4\u03b7\u03bd \u03ba\u03b1\u03c4\u03ce\u03c4\u03b5\u03c1\u03b7 \u03ba\u03b1\u03c4\u03b7\u03b3\u03bf\u03c1\u03af\u03b1 \u03b5\u03c0\u03b9\u03b4\u03cc\u03c3\u03b5\u03c9\u03bd, \u03b1\u03bb\u03bb\u03ac \u03ba\u03b1\u03b9 5,2 \u03c6\u03bf\u03c1\u03ad\u03c2 \u03bc\u03b5\u03b3\u03b1\u03bb\u03cd\u03c4\u03b5\u03c1\u03b7 \u03c0\u03b9\u03b8\u03b1\u03bd\u03cc\u03c4\u03b7\u03c4\u03b1 \u03b1\u03c0\u03cc \u03c4\u03bf\u03c5\u03c2 \u201c\u03c0\u03c1\u03bf\u03bd\u03bf\u03bc\u03b9\u03bf\u03cd\u03c7\u03bf\u03c5\u03c2\u201d \u03bc\u03b1\u03b8\u03b7\u03c4\u03ad\u03c2 \u03b5\u03b9\u03b4\u03b9\u03ba\u03ac.<\/p>\n<p>\u039a\u03b1\u03c4\u03ac \u03bc\u03ad\u03c3\u03bf \u03cc\u03c1\u03bf \u03c3\u03c4\u03b9\u03c2 \u03c7\u03ce\u03c1\u03b5\u03c2 \u03c4\u03bf\u03c5 \u039f\u039f\u03a3\u0391 \u03b7 \u03ba\u03bf\u03b9\u03bd\u03c9\u03bd\u03b9\u03ba\u03ae-\u03bf\u03b9\u03ba\u03bf\u03bd\u03bf\u03bc\u03b9\u03ba\u03ae \u03ba\u03b1\u03c4\u03ac\u03c3\u03c4\u03b1\u03c3\u03b7 \u03c4\u03c9\u03bd \u03bc\u03b1\u03b8\u03b7\u03c4\u03ce\u03bd \u03c3\u03cd\u03bc\u03c6\u03c9\u03bd\u03b1 \u03bc\u03b5 \u03c4\u03bf\u03bd \u03c0\u03c1\u03bf\u03b1\u03bd\u03b1\u03c6\u03b5\u03c1\u03b8\u03ad\u03bd\u03c4\u03b1 \u03b4\u03b5\u03af\u03ba\u03c4\u03b7 \u03b5\u03be\u03b7\u03b3\u03b5\u03af \u03c4\u03bf 13% \u03c4\u03b7\u03c2 \u03b4\u03b9\u03b1\u03c6\u03bf\u03c1\u03ac\u03c2 \u03c3\u03c4\u03b9\u03c2 \u03b5\u03c0\u03b9\u03b4\u03cc\u03c3\u03b5\u03b9\u03c2 \u03c4\u03c9\u03bd \u03bc\u03b1\u03b8\u03b7\u03c4\u03ce\u03bd \u03c3\u03b5 \u03cc\u03bb\u03b1 \u03c4\u03b1 \u03bc\u03b1\u03b8\u03ae\u03bc\u03b1\u03c4\u03b1.<\/p>\n<p><span class=\"dropcap\">\u03a0<\/span>\u03ad\u03c1\u03b1 \u03b1\u03c0\u03cc \u03b1\u03c5\u03c4\u03ac \u03c4\u03b1 \u03c0\u03c1\u03c9\u03c4\u03bf\u03b3\u03b5\u03bd\u03ae \u03c3\u03c5\u03bc\u03c0\u03b5\u03c1\u03ac\u03c3\u03bc\u03b1\u03c4\u03b1, \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03ce\u03bd\u03c4\u03b1\u03c2 \u03c4\u03b1 \u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03ad\u03c3\u03bc\u03b1\u03c4\u03b1 \u03c4\u03c9\u03bd \u03bc\u03b1\u03b8\u03b7\u03c4\u03ce\u03bd \u03c3\u03c4\u03b7\u03bd \u03b5\u03be\u03ad\u03c4\u03b1\u03c3\u03b7 \u03c4\u03c9\u03bd \u03c6\u03c5\u03c3\u03b9\u03ba\u03ce\u03bd \u03b5\u03c0\u03b9\u03c3\u03c4\u03b7\u03bc\u03ce\u03bd \u03ba\u03b1\u03b9 \u03bc\u03b1\u03b6\u03af \u03ba\u03b1\u03b9 \u03c4\u03b9\u03c2 \u03b1\u03c0\u03b1\u03bd\u03c4\u03ae\u03c3\u03b5\u03b9\u03c2 \u03c4\u03bf\u03c5\u03c2 \u03c3\u03c4\u03b7\u03bd \u03ad\u03c1\u03b5\u03c5\u03bd\u03b1, \u03b1\u03bb\u03bb\u03ac \u03ba\u03b1\u03b9 \u03c4\u03b9\u03c2 \u03b1\u03c0\u03b1\u03bd\u03c4\u03ae\u03c3\u03b5\u03b9\u03c2 \u03c4\u03c9\u03bd \u03b4\u03b9\u03b5\u03c5\u03b8\u03c5\u03bd\u03c4\u03ce\u03bd \u03c4\u03bf\u03c5\u03c2 \u03c3\u03c4\u03bf \u03b4\u03b9\u03ba\u03cc \u03c4\u03bf\u03c5\u03c2 \u03b5\u03c1\u03c9\u03c4\u03b7\u03bc\u03b1\u03c4\u03bf\u03bb\u03cc\u03b3\u03b9\u03bf, \u03bf\u03b9 \u03b5\u03c1\u03b5\u03c5\u03bd\u03b7\u03c4\u03ad\u03c2 \u03b4\u03bf\u03ba\u03af\u03bc\u03b1\u03c3\u03b1\u03bd \u03b4\u03b9\u03ac\u03c6\u03bf\u03c1\u03b5\u03c2 \u03c5\u03c0\u03bf\u03b8\u03ad\u03c3\u03b5\u03b9\u03c2 \u03b3\u03b9\u03b1 \u03c4\u03bf\u03c5\u03c2 \u03c0\u03b1\u03c1\u03ac\u03b3\u03bf\u03bd\u03c4\u03b5\u03c2 \u03c0\u03bf\u03c5 \u03c3\u03c7\u03b5\u03c4\u03af\u03b6\u03bf\u03bd\u03c4\u03b1\u03b9 \u03bc\u03b5 \u03c4\u03b9\u03c2 \u03b5\u03c0\u03b9\u03b4\u03cc\u03c3\u03b5\u03b9\u03c2 \u03c4\u03c9\u03bd 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\u03c3\u03c4\u03bf \u03c3\u03c0\u03af\u03c4\u03b9 \u03c4\u03bf\u03c5\u03c2 \u03bc\u03b9\u03bb\u03bf\u03cd\u03bd \u03ac\u03bb\u03bb\u03b7 \u03b3\u03bb\u03ce\u03c3\u03c3\u03b1 \u03c0\u03b1\u03af\u03c1\u03bd\u03bf\u03c5\u03bd 402<\/strong>\u00a0(\u03c0\u03b5\u03c1\u03af\u03c0\u03bf\u03c5 \u03cc\u03c3\u03bf \u03bf \u03bc\u03ad\u03c3\u03bf\u03c2 \u03cc\u03c1\u03bf\u03c2 \u03c4\u03c9\u03bd \u03bc\u03b1\u03b8\u03b7\u03c4\u03ce\u03bd \u03c3\u03c4\u03b7\u03bd \u0399\u03bd\u03b4\u03bf\u03bd\u03b7\u03c3\u03af\u03b1). \u0391\u03c5\u03c4\u03cc \u03b5\u03af\u03bd\u03b1\u03b9 \u03ad\u03bd\u03b1 \u03c6\u03b1\u03b9\u03bd\u03cc\u03bc\u03b5\u03bd\u03bf \u03c0\u03bf\u03c5 \u03b5\u03bc\u03c6\u03b1\u03bd\u03af\u03b6\u03b5\u03c4\u03b1\u03b9 \u03ba\u03b1\u03b9 \u03c3\u03b5 \u03c0\u03bf\u03bb\u03bb\u03ad\u03c2 \u03ac\u03bb\u03bb\u03b5\u03c2 \u03c7\u03ce\u03c1\u03b5\u03c2 -\u03b1\u03ba\u03cc\u03bc\u03b1 \u03ba\u03b1\u03b9 \u03c3\u03c4\u03b7\u03bd \u0395\u03c3\u03b8\u03bf\u03bd\u03af\u03b1, \u03cc\u03c0\u03bf\u03c5 \u03c4\u03b1 \u03c0\u03b1\u03b9\u03b4\u03b9\u03ac \u03b1\u03c0\u03cc \u03c4\u03b7 \u03c1\u03c9\u03c3\u03cc\u03c6\u03c9\u03bd\u03b7 \u03bc\u03b5\u03b9\u03bf\u03bd\u03cc\u03c4\u03b7\u03c4\u03b1 \u03ad\u03c7\u03bf\u03c5\u03bd \u03c7\u03b5\u03b9\u03c1\u03cc\u03c4\u03b5\u03c1\u03b5\u03c2 \u03b5\u03c0\u03b9\u03b4\u03cc\u03c3\u03b5\u03b9\u03c2 \u03b1\u03c0\u03cc \u03c4\u03b7\u03bd \u03c0\u03bb\u03b5\u03b9\u03bf\u03c8\u03b7\u03c6\u03af\u03b1, \u03c0\u03bf\u03c5 \u03c3\u03c4\u03bf \u03c3\u03c0\u03af\u03c4\u03b9 \u03c4\u03bf\u03c5\u03c2 \u03bc\u03b9\u03bb\u03bf\u03cd\u03bd \u03b5\u03c3\u03b8\u03bf\u03bd\u03b9\u03ba\u03ac.<\/p>\n<div class=\"large-image-container\">\n<p><img decoding=\"async\" loading=\"lazy\" class=\"size-full wp-image-20607 image-outside-container aligncenter\" src=\"https:\/\/i0.wp.com\/www.dianeosis.org\/wp-content\/uploads\/2019\/11\/pisa2015-v10-94-53.png?resize=700%2C255&#038;ssl=1\" sizes=\"(max-width: 1541px) 100vw, 1541px\" srcset=\"https:\/\/i0.wp.com\/www.dianeosis.org\/wp-content\/uploads\/2019\/11\/pisa2015-v10-94-53.png?resize=700%2C255&#038;ssl=1 1541w, https:\/\/www.dianeosis.org\/wp-content\/uploads\/2019\/11\/pisa2015-v10-94-53-768x280.png 768w, https:\/\/www.dianeosis.org\/wp-content\/uploads\/2019\/11\/pisa2015-v10-94-53-1200x437.png 1200w, https:\/\/www.dianeosis.org\/wp-content\/uploads\/2019\/11\/pisa2015-v10-94-53-580x211.png 580w\" alt=\"\" width=\"700\" height=\"255\" data-recalc-dims=\"1\" \/><\/p>\n<\/div>\n<div class=\"acf-field acf-field-message acf-field-55ed6cac5ab8f\" data-type=\"message\" data-key=\"field_55ed6cac5ab8f\">\n<div class=\"acf-input\">\n<article class=\"recommended-post recommended-post--align-left\">\n<header>\u03b4\u03b9\u03b1\u03b2\u03ac\u03c3\u03c4\u03b5 \u03b1\u03ba\u03cc\u03bc\u03b1<\/p>\n<\/header>\n<figure><img decoding=\"async\" loading=\"lazy\" class=\"attachment-recommended size-recommended wp-post-image\" src=\"https:\/\/i0.wp.com\/www.dianeosis.org\/wp-content\/uploads\/2017\/01\/prosxoliki_agogi_teliko-400x240.jpg?resize=400%2C240&#038;ssl=1\" alt=\"\u0397 \u03c0\u03c1\u03bf\u03c3\u03c7\u03bf\u03bb\u03b9\u03ba\u03ae \u03b1\u03b3\u03c9\u03b3\u03ae \u03c3\u03c4\u03b7\u03bd \u03b5\u03bb\u03bb\u03ac\u03b4\u03b1\" width=\"400\" height=\"240\" data-recalc-dims=\"1\" \/><\/figure>\n<h1>\u0393\u03b9\u03b1\u03c4\u03af \u0397 \u0395\u03bb\u03bb\u03ac\u03b4\u03b1 \u03a0\u03c1\u03ad\u03c0\u03b5\u03b9 \u039d\u03b1 \u0395\u03c0\u03b5\u03bd\u03b4\u03cd\u03c3\u03b5\u03b9 \u03a3\u03c4\u03b7\u03bd \u03a0\u03c1\u03bf\u03c3\u03c7\u03bf\u03bb\u03b9\u03ba\u03ae \u0391\u03b3\u03c9\u03b3\u03ae<\/h1>\n<\/article>\n<\/div>\n<\/div>\n<p><strong>\u0395\u03be\u03b1\u03b9\u03c1\u03b5\u03c4\u03b9\u03ba\u03ac \u03c3\u03b7\u03bc\u03b1\u03bd\u03c4\u03b9\u03ba\u03cc \u03c1\u03cc\u03bb\u03bf \u03c3\u03c4\u03b9\u03c2 \u03b5\u03c0\u03b9\u03b4\u03cc\u03c3\u03b5\u03b9\u03c2 \u03c4\u03c9\u03bd \u03bc\u03b1\u03b8\u03b7\u03c4\u03ce\u03bd \u03c6\u03b1\u03af\u03bd\u03b5\u03c4\u03b1\u03b9 \u03bd\u03b1 \u03c0\u03b1\u03af\u03b6\u03b5\u03b9 \u03ba\u03b1\u03b9 \u03b7 \u03c0\u03c1\u03bf\u03c3\u03c7\u03bf\u03bb\u03b9\u03ba\u03ae \u03b1\u03b3\u03c9\u03b3\u03ae.<\/strong>\u00a0\u038c\u03c0\u03c9\u03c2 \u03b5\u03af\u03c7\u03b1\u03bc\u03b5 \u03c4\u03bf\u03bd\u03af\u03c3\u03b5\u03b9\u00a0<a href=\"https:\/\/www.dianeosis.org\/2017\/02\/prosxoliki_agogi\/\" target=\"_blank\" rel=\"noopener noreferrer\">\u03c3\u03c4\u03b7 \u03c3\u03c7\u03b5\u03c4\u03b9\u03ba\u03ae \u03ad\u03c1\u03b5\u03c5\u03bd\u03b1 \u03c4\u03b7\u03c2 \u03b4\u03b9\u03b1\u039d\u0395\u039f\u03c3\u03b9\u03c2<\/a>, \u03c0\u03bf\u03bb\u03bb\u03b1\u03c0\u03bb\u03ad\u03c2 \u03ad\u03c1\u03b5\u03c5\u03bd\u03b5\u03c2 \u03ad\u03c7\u03bf\u03c5\u03bd \u03b1\u03c0\u03bf\u03b4\u03b5\u03af\u03be\u03b5\u03b9 \u03cc\u03c4\u03b9\u00a0<strong>\u03b7 \u03c0\u03c1\u03cc\u03c3\u03b2\u03b1\u03c3\u03b7 \u03c3\u03b5 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\u03b1\u03bc\u03ad\u03c3\u03c9\u03c2 \u03b5\u03c0\u03cc\u03bc\u03b5\u03bd\u03b5\u03c2 \u03b5\u03ba\u03c0\u03b1\u03b9\u03b4\u03b5\u03c5\u03c4\u03b9\u03ba\u03ad\u03c2 \u03b2\u03b1\u03b8\u03bc\u03af\u03b4\u03b5\u03c2 \u03ba\u03b9\u03cc\u03bb\u03b1\u03c2. \u039f\u03b9 \u0388\u03bb\u03bb\u03b7\u03bd\u03b5\u03c2 15\u03c7\u03c1\u03bf\u03bd\u03bf\u03b9 \u03c0\u03bf\u03c5 \u03b5\u03af\u03c7\u03b1\u03bd \u03bc\u03b9\u03ba\u03c1\u03ae \u03ae \u03ba\u03b1\u03b8\u03cc\u03bb\u03bf\u03c5 \u03c0\u03c1\u03cc\u03c3\u03b2\u03b1\u03c3\u03b7 \u03c3\u03b5 \u03c0\u03c1\u03bf\u03c3\u03c7\u03bf\u03bb\u03b9\u03ba\u03ae \u03b1\u03b3\u03c9\u03b3\u03ae (\u03bc\u03b9\u03ba\u03c1\u03cc\u03c4\u03b5\u03c1\u03b7 \u03b1\u03c0\u03cc \u03ad\u03bd\u03b1 \u03c7\u03c1\u03cc\u03bd\u03bf) \u03c3\u03c4\u03b7\u03bd \u03b5\u03be\u03ad\u03c4\u03b1\u03c3\u03b7 \u03c4\u03c9\u03bd \u03c6\u03c5\u03c3\u03b9\u03ba\u03ce\u03bd \u03b5\u03c0\u03b9\u03c3\u03c4\u03b7\u03bc\u03ce\u03bd \u03c0\u03ad\u03c4\u03c5\u03c7\u03b1\u03bd \u03ba\u03b1\u03c4\u03ac \u03bc\u03ad\u03c3\u03bf \u03cc\u03c1\u03bf 409 \u03b2\u03b1\u03b8\u03bc\u03bf\u03cd\u03c2 \u03c3\u03c4\u03b7\u03bd \u03b5\u03be\u03ad\u03c4\u03b1\u03c3\u03b7, \u03b2\u03b1\u03b8\u03bc\u03bf\u03bb\u03bf\u03b3\u03af\u03b1 \u03b4\u03b7\u03bb\u03b1\u03b4\u03ae \u03c0\u03b1\u03c1\u03cc\u03bc\u03bf\u03b9\u03b1 \u03bc\u03b5 \u03b1\u03c5\u03c4\u03ae \u03c0\u03bf\u03c5 \u03c0\u03b5\u03c4\u03c5\u03c7\u03b1\u03af\u03bd\u03b5\u03b9 \u03bf \u03bc\u03ad\u03c3\u03bf\u03c2 \u03cc\u03c1\u03bf\u03c2 \u03c4\u03c9\u03bd \u03bc\u03b1\u03b8\u03b7\u03c4\u03ce\u03bd \u03c3\u03c4\u03b7\u03bd \u0399\u03bf\u03c1\u03b4\u03b1\u03bd\u03af\u03b1. \u03a4\u03b1 \u03c0\u03b1\u03b9\u03b4\u03b9\u03ac \u03c0\u03bf\u03c5 \u03b5\u03af\u03c7\u03b1\u03bd \u03c0\u03c1\u03cc\u03c3\u03b2\u03b1\u03c3\u03b7 \u03c3\u03b5 \u03c0\u03c1\u03bf\u03c3\u03c7\u03bf\u03bb\u03b9\u03ba\u03ae \u03b1\u03b3\u03c9\u03b3\u03ae \u03b3\u03b9\u03b1 1-2 \u03c7\u03c1\u03cc\u03bd\u03b9\u03b1, \u03cc\u03bc\u03c9\u03c2, \u03c0\u03ae\u03c1\u03b1\u03bd \u03ba\u03b1\u03c4\u03ac \u03bc\u03ad\u03c3\u03bf \u03cc\u03c1\u03bf \u03b2\u03b1\u03b8\u03bc\u03cc 451. \u039a\u03b1\u03b9\u00a0<strong>\u03bf\u03b9 \u03b2\u03b1\u03b8\u03bc\u03bf\u03af \u03b1\u03bd\u03b5\u03b2\u03b1\u03af\u03bd\u03bf\u03c5\u03bd \u03c3\u03c4\u03b1\u03b8\u03b5\u03c1\u03ac \u03b3\u03b9\u03b1 \u03ba\u03ac\u03b8\u03b5 \u03b5\u03c0\u03b9\u03c0\u03bb\u03ad\u03bf\u03bd \u03c7\u03c1\u03cc\u03bd\u03bf \u03c0\u03c1\u03bf\u03c3\u03c7\u03bf\u03bb\u03b9\u03ba\u03ae\u03c2 \u03b1\u03b3\u03c9\u03b3\u03ae\u03c2<\/strong>, \u03c6\u03c4\u03ac\u03bd\u03bf\u03bd\u03c4\u03b1\u03c2 \u03bc\u03ad\u03c7\u03c1\u03b9 \u03c4\u03b1 \u03c0\u03b1\u03b9\u03b4\u03b9\u03ac \u03c0\u03bf\u03c5 \u03b5\u03af\u03c7\u03b1\u03bd \u03c0\u03c1\u03bf\u03c3\u03c7\u03bf\u03bb\u03b9\u03ba\u03ae \u03b1\u03b3\u03c9\u03b3\u03ae 4-5 \u03c7\u03c1\u03cc\u03bd\u03b9\u03b1 (\u03c3\u03c7\u03b5\u03b4\u03cc\u03bd \u03cc\u03bb\u03b7 \u03c4\u03bf\u03c5\u03c2 \u03c4\u03b7 \u03b6\u03c9\u03ae, \u03b4\u03b7\u03bb\u03b1\u03b4\u03ae), \u03c4\u03b1 \u03bf\u03c0\u03bf\u03af\u03b1 \u03c0\u03ad\u03c4\u03c5\u03c7\u03b1\u03bd \u03ba\u03b1\u03c4\u03ac \u03bc\u03ad\u03c3\u03bf \u03cc\u03c1\u03bf \u03b2\u03b1\u03b8\u03bc\u03cc 472. \u03a3\u03c7\u03b5\u03b4\u03cc\u03bd \u03cc\u03c3\u03bf \u03c0\u03ae\u03c1\u03b1\u03bd \u03c3\u03c4\u03b7\u03bd \u03b5\u03be\u03ad\u03c4\u03b1\u03c3\u03b7 \u03c4\u03b1 \u03c0\u03b1\u03b9\u03b4\u03b9\u03ac \u03b1\u03c0\u03cc \u03c4\u03b7\u03bd \u0399\u03c3\u03bb\u03b1\u03bd\u03b4\u03af\u03b1.<\/p>\n<div class=\"large-image-container\">\n<p><img decoding=\"async\" loading=\"lazy\" class=\"size-full wp-image-20611 image-outside-container aligncenter\" src=\"https:\/\/i0.wp.com\/www.dianeosis.org\/wp-content\/uploads\/2019\/11\/pisa2015-v10-95-55.png?resize=700%2C438&#038;ssl=1\" sizes=\"(max-width: 1825px) 100vw, 1825px\" srcset=\"https:\/\/i0.wp.com\/www.dianeosis.org\/wp-content\/uploads\/2019\/11\/pisa2015-v10-95-55.png?resize=700%2C438&#038;ssl=1 1825w, https:\/\/www.dianeosis.org\/wp-content\/uploads\/2019\/11\/pisa2015-v10-95-55-800x500.png 800w, https:\/\/www.dianeosis.org\/wp-content\/uploads\/2019\/11\/pisa2015-v10-95-55-768x481.png 768w, https:\/\/www.dianeosis.org\/wp-content\/uploads\/2019\/11\/pisa2015-v10-95-55-1200x752.png 1200w, https:\/\/www.dianeosis.org\/wp-content\/uploads\/2019\/11\/pisa2015-v10-95-55-580x363.png 580w\" alt=\"\" width=\"700\" height=\"438\" data-recalc-dims=\"1\" \/><\/p>\n<\/div>\n<p>\u0395\u03be\u03af\u03c3\u03bf\u03c5 \u03bc\u03b5\u03b3\u03ac\u03bb\u03b7 \u03c3\u03b7\u03bc\u03b1\u03c3\u03af\u03b1 \u03c6\u03b1\u03af\u03bd\u03b5\u03c4\u03b1\u03b9 \u03bd\u03b1 \u03c0\u03b1\u03af\u03b6\u03b5\u03b9\u00a0<strong>\u03b7 \u03b5\u03be\u03bf\u03b9\u03ba\u03b5\u03af\u03c9\u03c3\u03b7 \u03c4\u03c9\u03bd \u03bc\u03b1\u03b8\u03b7\u03c4\u03ce\u03bd \u03bc\u03b5 \u03c4\u03bf \u03af\u03bd\u03c4\u03b5\u03c1\u03bd\u03b5\u03c4 \u03ba\u03b1\u03b9 \u03c4\u03bf \u03c0\u03cc\u03c3\u03bf \u03c4\u03bf \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03bf\u03cd\u03bd \u03b5\u03ba\u03c4\u03cc\u03c2 \u03c3\u03c7\u03bf\u03bb\u03b5\u03af\u03bf\u03c5<\/strong>. \u0393\u03b9\u03b1 \u03c0\u03b1\u03c1\u03ac\u03b4\u03b5\u03b9\u03b3\u03bc\u03b1, \u03c4\u03b1 \u03c0\u03b1\u03b9\u03b4\u03b9\u03ac \u03c0\u03bf\u03c5 \u03b4\u03b7\u03bb\u03ce\u03bd\u03bf\u03c5\u03bd \u03cc\u03c4\u03b9 \u03b4\u03b5\u03bd \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03bf\u03cd\u03bd \u03ba\u03b1\u03b8\u03cc\u03bb\u03bf\u03c5 \u03c4\u03bf \u03af\u03bd\u03c4\u03b5\u03c1\u03bd\u03b5\u03c4 \u03b5\u03ba\u03c4\u03cc\u03c2 \u03c3\u03c7\u03bf\u03bb\u03b5\u03af\u03bf\u03c5 \u03c6\u03b1\u03af\u03bd\u03b5\u03c4\u03b1\u03b9 \u03cc\u03c4\u03b9 \u03c4\u03b1 \u03c0\u03b7\u03b3\u03b1\u03af\u03bd\u03bf\u03c5\u03bd \u03c0\u03bf\u03bb\u03cd \u03c7\u03b5\u03b9\u03c1\u03cc\u03c4\u03b5\u03c1\u03b1 \u03b1\u03c0\u03cc \u03c4\u03bf \u03bc\u03ad\u03c3\u03bf \u03cc\u03c1\u03bf (\u03c0\u03b1\u03af\u03c1\u03bd\u03bf\u03c5\u03bd 421,6 \u03c3\u03c4\u03b9\u03c2 \u03c6\u03c5\u03c3\u03b9\u03ba\u03ad\u03c2 \u03b5\u03c0\u03b9\u03c3\u03c4\u03ae\u03bc\u03b5\u03c2). \u03a4\u03b1 \u03c0\u03b1\u03b9\u03b4\u03b9\u03ac \u03c0\u03bf\u03c5 \u03b4\u03b7\u03bb\u03ce\u03bd\u03bf\u03c5\u03bd \u03cc\u03c4\u03b9 \u03bc\u03c0\u03b1\u03af\u03bd\u03bf\u03c5\u03bd \u03bc\u03ad\u03c7\u03c1\u03b9 30 \u03bb\u03b5\u03c0\u03c4\u03ac \u03c4\u03b7\u03bd \u03b7\u03bc\u03ad\u03c1\u03b1 \u03b5\u03c0\u03af\u03c3\u03b7\u03c2 \u03c3\u03b7\u03bc\u03b5\u03b9\u03ce\u03bd\u03bf\u03c5\u03bd \u03b5\u03c0\u03af\u03b4\u03bf\u03c3\u03b7 \u03c7\u03b1\u03bc\u03b7\u03bb\u03cc\u03c4\u03b5\u03c1\u03b7 \u03c4\u03bf\u03c5 \u03bc\u03ad\u03c3\u03bf\u03c5 \u03cc\u03c1\u03bf\u03c5 (441,2). \u03a4\u03b1 \u03c0\u03b1\u03b9\u03b4\u03b9\u03ac \u03cc\u03bc\u03c9\u03c2 \u03c0\u03bf\u03c5 \u03bc\u03c0\u03b1\u03af\u03bd\u03bf\u03c5\u03bd \u03b1\u03c0\u03cc \u03bc\u03b9\u03c3\u03ae \u03c9\u03c2 \u03c4\u03ad\u03c3\u03c3\u03b5\u03c1\u03b9\u03c2 \u03ce\u03c1\u03b5\u03c2 \u03c0\u03b1\u03af\u03c1\u03bd\u03bf\u03c5\u03bd \u03b2\u03b1\u03b8\u03bc\u03bf\u03cd\u03c2 \u03c3\u03b7\u03bc\u03b1\u03bd\u03c4\u03b9\u03ba\u03ac \u03bc\u03b5\u03b3\u03b1\u03bb\u03cd\u03c4\u03b5\u03c1\u03bf\u03c5\u03c2 \u03b1\u03c0\u03cc \u03c4\u03bf \u03bc\u03ad\u03c3\u03bf \u03cc\u03c1\u03bf, \u03b5\u03bd\u03ce \u03b3\u03b9\u03b1 \u03c4\u03b9\u03c2 \u03bf\u03bc\u03ac\u03b4\u03b5\u03c2 \u03c0\u03b1\u03b9\u03b4\u03b9\u03ce\u03bd \u03c0\u03bf\u03c5 \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03bf\u03cd\u03bd \u03c4\u03bf \u03af\u03bd\u03c4\u03b5\u03c1\u03bd\u03b5\u03c4 \u03b3\u03b9\u03b1 \u03c0\u03b5\u03c1\u03b9\u03c3\u03c3\u03cc\u03c4\u03b5\u03c1\u03b5\u03c2 \u03b1\u03c0\u03cc 4 \u03ce\u03c1\u03b5\u03c2 \u03ba\u03b1\u03b8\u03b7\u03bc\u03b5\u03c1\u03b9\u03bd\u03ac, \u03bf\u03b9 \u03b5\u03c0\u03b9\u03b4\u03cc\u03c3\u03b5\u03b9\u03c2 \u03c3\u03c4\u03b1\u03b4\u03b9\u03b1\u03ba\u03ac \u03c0\u03ad\u03c6\u03c4\u03bf\u03c5\u03bd \u03c0\u03ac\u03bb\u03b9.<\/p>\n<div class=\"large-image-container\">\n<p><img decoding=\"async\" loading=\"lazy\" class=\"size-full wp-image-20614 image-outside-container aligncenter\" src=\"https:\/\/i0.wp.com\/www.dianeosis.org\/wp-content\/uploads\/2019\/11\/pisa2015-v10-95-57.png?resize=700%2C229&#038;ssl=1\" sizes=\"(max-width: 2172px) 100vw, 2172px\" srcset=\"https:\/\/i0.wp.com\/www.dianeosis.org\/wp-content\/uploads\/2019\/11\/pisa2015-v10-95-57.png?resize=700%2C229&#038;ssl=1 2172w, https:\/\/www.dianeosis.org\/wp-content\/uploads\/2019\/11\/pisa2015-v10-95-57-768x251.png 768w, https:\/\/www.dianeosis.org\/wp-content\/uploads\/2019\/11\/pisa2015-v10-95-57-1200x393.png 1200w, https:\/\/www.dianeosis.org\/wp-content\/uploads\/2019\/11\/pisa2015-v10-95-57-580x190.png 580w\" alt=\"\" width=\"700\" height=\"229\" data-recalc-dims=\"1\" \/><\/p>\n<\/div>\n<p>\u0395\u03be\u03ac\u03bb\u03bb\u03bf\u03c5,\u00a0<strong>\u03c4\u03b1 \u03c0\u03b1\u03b9\u03b4\u03b9\u03ac \u03c0\u03bf\u03c5 \u03c0\u03b1\u03af\u03b6\u03bf\u03c5\u03bd videogames \u03bc\u03b5\u03c4\u03ac \u03c4\u03bf \u03c3\u03c7\u03bf\u03bb\u03b5\u03af\u03bf \u03c6\u03b1\u03af\u03bd\u03b5\u03c4\u03b1\u03b9 \u03bd\u03b1 \u03c4\u03b1 \u03c0\u03b7\u03b3\u03b1\u03af\u03bd\u03bf\u03c5\u03bd \u03bb\u03af\u03b3\u03bf \u03c7\u03b5\u03b9\u03c1\u03cc\u03c4\u03b5\u03c1\u03b1 \u03b1\u03c0\u03cc \u03c4\u03bf\u03bd \u03bc\u03ad\u03c3\u03bf \u03cc\u03c1\u03bf<\/strong>, \u03b5\u03bd\u03ce \u03c4\u03b1 \u03c0\u03b1\u03b9\u03b4\u03b9\u03ac \u03c0\u03bf\u03c5 \u03b4\u03b7\u03bb\u03ce\u03bd\u03bf\u03c5\u03bd \u03cc\u03c4\u03b9 \u03b4\u03b5\u03bd \u03c0\u03b1\u03af\u03b6\u03bf\u03c5\u03bd \u03c4\u03b1 \u03c0\u03b7\u03b3\u03b1\u03af\u03bd\u03bf\u03c5\u03bd \u03b1\u03c1\u03ba\u03b5\u03c4\u03ac \u03ba\u03b1\u03bb\u03cd\u03c4\u03b5\u03c1\u03b1 \u03b1\u03c0\u03cc \u03c4\u03bf \u03bc\u03ad\u03c3\u03bf \u03cc\u03c1\u03bf (467,8).<\/p>\n<p>\u0395\u03be\u03b5\u03c4\u03ac\u03c3\u03c4\u03b7\u03ba\u03b5, \u03b4\u03b5, \u03c4\u03bf \u03b1\u03bd \u03ba\u03b1\u03b9 \u03ba\u03b1\u03c4\u03ac \u03c0\u03cc\u03c3\u03bf \u03b7 \u03c3\u03c5\u03bc\u03bc\u03b5\u03c4\u03bf\u03c7\u03ae \u03c4\u03c9\u03bd \u03bc\u03b1\u03b8\u03b7\u03c4\u03ce\u03bd \u03c3\u03b5 \u03b5\u03be\u03c9\u03c3\u03c7\u03bf\u03bb\u03b9\u03ba\u03ad\u03c2 \u03b4\u03c1\u03b1\u03c3\u03c4\u03b7\u03c1\u03b9\u03cc\u03c4\u03b7\u03c4\u03b5\u03c2 \u03b4\u03b9\u03b1\u03c6\u03cc\u03c1\u03c9\u03bd \u03b5\u03b9\u03b4\u03ce\u03bd \u03c4\u03bf\u03c5\u03c2 \u03b2\u03bf\u03b7\u03b8\u03bf\u03cd\u03bd \u03bd\u03b1 \u03c4\u03b1 \u03c0\u03b7\u03b3\u03b1\u03af\u03bd\u03bf\u03c5\u03bd \u03ba\u03b1\u03bb\u03cd\u03c4\u03b5\u03c1\u03b1. \u0392\u03c1\u03ad\u03b8\u03b7\u03ba\u03b5 \u03cc\u03c4\u03b9 \u03bf\u03b9 \u03bc\u03b1\u03b8\u03b7\u03c4\u03ad\u03c2 \u03c0\u03bf\u03c5 \u03c3\u03c5\u03bc\u03bc\u03b5\u03c4\u03ad\u03c7\u03bf\u03c5\u03bd \u03c3\u03b5 \u03b5\u03be\u03c9\u03c3\u03c7\u03bf\u03bb\u03b9\u03ba\u03ad\u03c2 \u201c\u03b5\u03c0\u03b9\u03c3\u03c4\u03b7\u03bc\u03bf\u03bd\u03b9\u03ba\u03ad\u03c2 \u03b4\u03c1\u03b1\u03c3\u03c4\u03b7\u03c1\u03b9\u03cc\u03c4\u03b7\u03c4\u03b5\u03c2\u201d, \u03c3\u03b5 \u03c3\u03ba\u03b1\u03ba\u03b9\u03c3\u03c4\u03b9\u03ba\u03bf\u03cd\u03c2 \u03bf\u03bc\u03af\u03bb\u03bf\u03c5\u03c2 \u03ae \u03c3\u03b5 \u03bf\u03bc\u03ac\u03b4\u03b5\u03c2 \u03c0\u03bb\u03b7\u03c1\u03bf\u03c6\u03bf\u03c1\u03b9\u03ba\u03ae\u03c2 \u03c4\u03b1 \u03c0\u03b7\u03b3\u03b1\u03af\u03bd\u03bf\u03c5\u03bd \u03c0\u03bf\u03bb\u03cd \u03ba\u03b1\u03bb\u03cd\u03c4\u03b5\u03c1\u03b1 \u03b1\u03c0\u03cc \u03c4\u03bf\u03bd \u03bc\u03ad\u03c3\u03bf \u03cc\u03c1\u03bf, \u03c0\u03b5\u03c4\u03c5\u03c7\u03b1\u03af\u03bd\u03bf\u03bd\u03c4\u03b1\u03c2 \u03b2\u03b1\u03b8\u03bc\u03bf\u03bb\u03bf\u03b3\u03af\u03b5\u03c2 \u03ba\u03bf\u03bd\u03c4\u03ac \u03c3\u03c4\u03bf\u03c5\u03c2 500 \u03b2\u03b1\u03b8\u03bc\u03bf\u03cd\u03c2. \u039b\u03af\u03b3\u03bf \u03ba\u03b1\u03bb\u03cd\u03c4\u03b5\u03c1\u03b1 \u03b1\u03c0\u03cc \u03c4\u03bf\u03bd \u03bc\u03ad\u03c3\u03bf \u03cc\u03c1\u03bf \u03c4\u03b1 \u03c0\u03b7\u03b3\u03b1\u03af\u03bd\u03bf\u03c5\u03bd \u03ba\u03b1\u03b9 \u03bc\u03b1\u03b8\u03b7\u03c4\u03ad\u03c2 \u03c0\u03bf\u03c5 \u03c3\u03c5\u03bc\u03bc\u03b5\u03c4\u03ad\u03c7\u03bf\u03c5\u03bd \u03c3\u03b5 \u201c\u03b5\u03be\u03c9\u03c3\u03c7\u03bf\u03bb\u03b9\u03ba\u03ad\u03c2 \u03b4\u03c1\u03b1\u03c3\u03c4\u03b7\u03c1\u03b9\u03cc\u03c4\u03b7\u03c4\u03b5\u03c2 \u03b5\u03b9\u03ba\u03b1\u03c3\u03c4\u03b9\u03ba\u03ae\u03c2 \u03c4\u03ad\u03c7\u03bd\u03b7\u03c2\u201d, \u03c3\u03b5 \u201c\u03b4\u03b9\u03b1\u03b3\u03c9\u03bd\u03b9\u03c3\u03bc\u03bf\u03cd\u03c2 \u03c6\u03c5\u03c3\u03b9\u03ba\u03ce\u03bd \u03b5\u03c0\u03b9\u03c3\u03c4\u03b7\u03bc\u03ce\u03bd\u201d, \u03c3\u03b5 \u201c\u03b5\u03be\u03c9\u03c3\u03c7\u03bf\u03bb\u03b9\u03ba\u03ad\u03c2 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\u201c\u03b5\u03b8\u03b5\u03bb\u03bf\u03bd\u03c4\u03b9\u03ba\u03ad\u03c2 \u03b4\u03c1\u03ac\u03c3\u03b5\u03b9\u03c2\u201d \u03ae \u03c3\u03b5 \u201c\u03b5\u03be\u03c9\u03c3\u03c7\u03bf\u03bb\u03b9\u03ba\u03ad\u03c2 \u03b1\u03b8\u03bb\u03b7\u03c4\u03b9\u03ba\u03ad\u03c2 \u03b4\u03c1\u03b1\u03c3\u03c4\u03b7\u03c1\u03b9\u03cc\u03c4\u03b7\u03c4\u03b5\u03c2\u201d.<\/p>\n<p><span class=\"dropcap\">\u03a4<\/span>\u03ad\u03bb\u03bf\u03c2, \u03c3\u03c4\u03bf\u00a0<strong>\u03ba\u03b5\u03c6\u03ac\u03bb\u03b1\u03b9\u03bf 8<\/strong>\u00a0\u03c4\u03b7\u03c2\u00a0<a href=\"https:\/\/www.dianeosis.org\/wp-content\/uploads\/2019\/11\/final_pisa2015.pdf\" target=\"_blank\" rel=\"noopener noreferrer\">\u03bc\u03b5\u03bb\u03ad\u03c4\u03b7\u03c2<\/a>\u00a0\u03bf\u03b9 \u03b5\u03c1\u03b5\u03c5\u03bd\u03b7\u03c4\u03ad\u03c2 \u03c7\u03b1\u03c1\u03c4\u03bf\u03b3\u03c1\u03b1\u03c6\u03bf\u03cd\u03bd\u00a0<strong>\u03c4\u03bf \u03c0\u03c1\u03bf\u03c6\u03af\u03bb \u03c4\u03c9\u03bd \u0395\u03bb\u03bb\u03ae\u03bd\u03c9\u03bd \u03bc\u03b1\u03b8\u03b7\u03c4\u03ce\u03bd \u03ba\u03b1\u03b9 \u03bc\u03b1\u03b8\u03b7\u03c4\u03c1\u03b9\u03ce\u03bd \u03c0\u03bf\u03c5 \u03c4\u03b1 \u03c0\u03b7\u03b3\u03b1\u03af\u03bd\u03bf\u03c5\u03bd \u03c0\u03bf\u03bb\u03cd \u03ba\u03b1\u03bb\u03ac \u03c3\u03c4\u03b9\u03c2 \u03c6\u03c5\u03c3\u03b9\u03ba\u03ad\u03c2 \u03b5\u03c0\u03b9\u03c3\u03c4\u03ae\u03bc\u03b5\u03c2<\/strong>, \u03c4\u03c9\u03bd &#8220;high achievers&#8221;, \u03b1\u03c5\u03c4\u03ce\u03bd \u03c0\u03bf\u03c5 \u03ba\u03b1\u03c4\u03b1\u03c4\u03ac\u03c3\u03c3\u03bf\u03bd\u03c4\u03b1\u03b9 \u03c3\u03c4\u03b1 \u03b5\u03c0\u03af\u03c0\u03b5\u03b4\u03b1 5 \u03ba\u03b1\u03b9 6, \u03b1\u03bd\u03b1\u03bb\u03cd\u03bf\u03bd\u03c4\u03b1\u03c2 \u03c4\u03bf\u03c5\u03c2 \u03c4\u03bf\u03bc\u03b5\u03af\u03c2 \u03c3\u03c4\u03bf\u03c5\u03c2 \u03bf\u03c0\u03bf\u03af\u03bf\u03c5\u03c2 \u03c0\u03b1\u03c1\u03bf\u03c5\u03c3\u03b9\u03ac\u03b6\u03bf\u03c5\u03bd \u03b4\u03b9\u03b1\u03c6\u03bf\u03c1\u03ad\u03c2 \u03b1\u03c0\u03cc \u03c4\u03bf\u03c5\u03c2 \u03c5\u03c0\u03cc\u03bb\u03bf\u03b9\u03c0\u03bf\u03c5\u03c2. \u0395\u03bd\u03c4\u03b5\u03bb\u03ce\u03c2 \u03c3\u03c7\u03b7\u03bc\u03b1\u03c4\u03b9\u03ba\u03ac \u03ba\u03b1\u03b9 \u03b5\u03c0\u03b9\u03b3\u03c1\u03b1\u03bc\u03bc\u03b1\u03c4\u03b9\u03ba\u03ac, \u03b8\u03b1 \u03bc\u03c0\u03bf\u03c1\u03bf\u03cd\u03c3\u03b5 \u03ba\u03ac\u03c0\u03bf\u03b9\u03bf\u03c2 \u03bd\u03b1 \u03c0\u03b5\u03c1\u03b9\u03b3\u03c1\u03ac\u03c8\u03b5\u03b9 \u03bc\u03b9\u03b1 \u03c4\u03ad\u03c4\u03bf\u03b9\u03b1 \u03b5\u03bb\u03bb\u03b7\u03bd\u03af\u03b4\u03b1 \u03bc\u03b1\u03b8\u03ae\u03c4\u03c1\u03b9\u03b1 (\u03b7 \u03bc\u03b1\u03b8\u03b7\u03c4\u03ae -\u03bf\u03b9 \u03b4\u03b9\u03b1\u03c6\u03bf\u03c1\u03ad\u03c2 \u03b1\u03bd\u03ac\u03bc\u03b5\u03c3\u03b1 \u03c3\u03c4\u03b1 \u03c6\u03cd\u03bb\u03b1 \u03b4\u03b5\u03bd \u03b5\u03af\u03bd\u03b1\u03b9 \u03c3\u03c4\u03b1\u03c4\u03b9\u03c3\u03c4\u03b9\u03ba\u03ac 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\u03b1\u03bb\u03bb\u03ac\u00a0<strong>\u03b4\u03b5\u03bd \u03b5\u03af\u03bd\u03b1\u03b9 \u03b1\u03b9\u03c3\u03b9\u03cc\u03b4\u03bf\u03be\u03b7 \u03ba\u03b1\u03b9 \u03b1\u03bd\u03b7\u03c3\u03c5\u03c7\u03b5\u03af \u03c0\u03bf\u03bb\u03cd \u03b3\u03b9\u03b1 \u03c4\u03bf \u03bc\u03ad\u03bb\u03bb\u03bf\u03bd \u03c4\u03bf\u03c5 \u03c0\u03bb\u03b1\u03bd\u03ae\u03c4\u03b7<\/strong>. \u03a0\u03b7\u03b3\u03b1\u03b9\u03bd\u03b5\u03b9 \u03c3\u03b5<strong>\u00a0\u03b9\u03b4\u03b9\u03c9\u03c4\u03b9\u03ba\u03cc \u03c3\u03c7\u03bf\u03bb\u03b5\u03af\u03bf<\/strong>, \u03c0\u03bf\u03c5\u00a0\u03ad<strong>\u03c7\u03b5\u03b9 \u03ba\u03b1\u03bb\u03cc \u03b5\u03be\u03bf\u03c0\u03bb\u03b9\u03c3\u03bc\u03cc \u03ba\u03b1\u03b9 \u03b4\u03b1\u03c3\u03ba\u03ac\u03bb\u03bf\u03c5\u03c2<\/strong>\u00a0\u03c0\u03bf\u03c5 \u03c0\u03c1\u03bf\u03c3\u03b1\u03c1\u03bc\u03cc\u03b6\u03bf\u03bd\u03c4\u03b1\u03b9 \u03b5\u03c5\u03ba\u03bf\u03bb\u03cc\u03c4\u03b5\u03c1\u03b1 \u03b1\u03bd\u03ac\u03bb\u03bf\u03b3\u03b1 \u03bc\u03b5\u00a0\u03c4\u03b9\u03c2\u00a0\u03b1\u03bd\u03ac\u03b3\u03ba\u03b5\u03c2\u00a0\u03c4\u03b7\u03c2\u00a0\u03b4\u03b9\u03b4\u03b1\u03c3\u03ba\u03b1\u03bb\u03af\u03b1\u03c2.\u00a0<strong>\u0394\u03b5\u03bd \u03c0\u03ac\u03b5\u03b9 \u03c6\u03c1\u03bf\u03bd\u03c4\u03b9\u03c3\u03c4\u03ae\u03c1\u03b9\u03bf<\/strong>.<\/p>\n<p><strong>\u0391\u03bd\u03ae\u03ba\u03b5\u03b9 \u03c3\u03b5 \u03bc\u03b9\u03b1 \u03b9\u03c3\u03c7\u03bd\u03ae \u03bc\u03b5\u03b9\u03bf\u03c8\u03b7\u03c6\u03af\u03b1.<\/strong><\/p>\n<h3><strong>5. \u0388\u03bd\u03b1 \u03c3\u03c5\u03bc\u03c0\u03ad\u03c1\u03b1\u03c3\u03bc\u03b1<\/strong><\/h3>\n<p><span class=\"dropcap\">\u039f<\/span>\u039f\u039f\u03a3\u0391 \u03c3\u03c5\u03b3\u03ba\u03b5\u03bd\u03c4\u03c1\u03ce\u03bd\u03b5\u03b9 \u03c4\u03b1 \u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03ad\u03c3\u03bc\u03b1\u03c4\u03b1 \u03c4\u03bf\u03c5 \u03c0\u03c1\u03bf\u03b3\u03c1\u03ac\u03bc\u03bc\u03b1\u03c4\u03bf\u03c2 PISA \u03c3\u03b5 \u03bc\u03b9\u03b1 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\u03b5\u03bb\u03bb\u03b7\u03bd\u03b9\u03ba\u03ad\u03c2 \u03bf\u03b9\u03ba\u03bf\u03b3\u03ad\u03bd\u03b5\u03b9\u03b5\u03c2. \u039f\u03b9\u00a0<strong>\u03bf\u03b9\u03ba\u03bf\u03bd\u03bf\u03bc\u03b9\u03ba\u03ad\u03c2 \u03ba\u03b1\u03b9 \u03ba\u03bf\u03b9\u03bd\u03c9\u03bd\u03b9\u03ba\u03ad\u03c2 \u03b1\u03bd\u03b9\u03c3\u03cc\u03c4\u03b7\u03c4\u03b5\u03c2<\/strong>, \u03c0\u03bf\u03c5 \u03bc\u03b5\u03c4\u03b1\u03c6\u03ad\u03c1\u03bf\u03bd\u03c4\u03b1\u03b9 \u03c3\u03c4\u03bf \u03b5\u03ba\u03c0\u03b1\u03b9\u03b4\u03b5\u03c5\u03c4\u03b9\u03ba\u03cc \u03c3\u03cd\u03c3\u03c4\u03b7\u03bc\u03b1 \u03ba\u03b1\u03b9 \u03b1\u03c0\u03bf\u03c4\u03c5\u03c0\u03ce\u03bd\u03bf\u03bd\u03c4\u03b1\u03b9 \u03c3\u03c4\u03b9\u03c2 \u03b3\u03bd\u03ce\u03c3\u03b5\u03b9\u03c2 \u03ba\u03b1\u03b9 \u03c4\u03b9\u03c2 \u03b9\u03ba\u03b1\u03bd\u03cc\u03c4\u03b7\u03c4\u03b5\u03c2 \u03c4\u03c9\u03bd \u03bc\u03b1\u03b8\u03b7\u03c4\u03ce\u03bd \u03bc\u03b1\u03c2, \u03b5\u03af\u03bd\u03b1\u03b9 \u03ad\u03bd\u03b1 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\u03b5\u03be\u03b1\u03c1\u03c4\u03b7\u03bc\u03ad\u03bd\u03b1 \u03b1\u03c0\u03cc \u03c4\u03bf \u03ba\u03b5\u03bd\u03c4\u03c1\u03b9\u03ba\u03cc \u03ba\u03c1\u03ac\u03c4\u03bf\u03c2 \u03b1\u03c0\u03cc \u03cc,\u03c4\u03b9 \u03c4\u03b1 \u03c3\u03c7\u03bf\u03bb\u03b5\u03af\u03b1 \u03cc\u03bb\u03c9\u03bd \u03c4\u03c9\u03bd \u03ba\u03c1\u03b1\u03c4\u03ce\u03bd \u03c0\u03bf\u03c5 \u03c3\u03c5\u03bc\u03bc\u03b5\u03c4\u03ad\u03c7\u03bf\u03c5\u03bd \u03c3\u03c4\u03b7\u03bd\u00a0<\/strong><strong>PISA<\/strong><strong>\u00a0\u03b1\u03bd\u03b5\u03be\u03b1\u03b9\u03c1\u03ad\u03c4\u03c9\u03c2<\/strong>, \u03b5\u03af\u03bd\u03b1\u03b9 \u03ba\u03ac\u03c4\u03b9 \u03c0\u03bf\u03c5 \u03b5\u03c0\u03af\u03c3\u03b7\u03c2 \u03b8\u03b1 \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03ba\u03ac\u03c0\u03bf\u03b9\u03b1 \u03c3\u03c4\u03b9\u03b3\u03bc\u03ae \u03bd\u03b1 \u03bc\u03b1\u03c2 \u03b1\u03c0\u03b1\u03c3\u03c7\u03bf\u03bb\u03ae\u03c3\u03b5\u03b9 \u03c3\u03bf\u03b2\u03b1\u03c1\u03ac.<\/p>\n<p>\u038c\u03c0\u03c9\u03c2 \u03b5\u03c0\u03b9\u03c3\u03b7\u03bc\u03ac\u03bd\u03b1\u03bc\u03b5 \u03c3\u03c4\u03b7\u03bd \u03b1\u03c1\u03c7\u03ae,\u00a0<strong>\u03c3\u03c4\u03b9\u03c2 3 \u0394\u03b5\u03ba\u03b5\u03bc\u03b2\u03c1\u03af\u03bf\u03c5 2019 \u03b1\u03bd\u03b1\u03ba\u03bf\u03b9\u03bd\u03ce\u03bd\u03bf\u03bd\u03c4\u03b1\u03b9 \u03c4\u03b1 \u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03ad\u03c3\u03bc\u03b1\u03c4\u03b1 \u03c4\u03b7\u03c2 PISA 2018<\/strong>. \u039f\u03b9 \u03b5\u03c1\u03b5\u03c5\u03bd\u03b7\u03c4\u03ad\u03c2 \u03c4\u03b7\u03c2 \u03b4\u03b9\u03b1\u039d\u0395\u039f\u03c3\u03b9\u03c2 \u03b8\u03b1 \u03c4\u03b1 \u03bc\u03b5\u03bb\u03b5\u03c4\u03ae\u03c3\u03bf\u03c5\u03bd \u03ba\u03b1\u03b9 \u03b8\u03b1 \u03c4\u03b1 \u03b1\u03bd\u03b1\u03bb\u03cd\u03c3\u03bf\u03c5\u03bd \u03ba\u03b1\u03b9 \u03b1\u03c5\u03c4\u03ac, \u03b8\u03b1 \u03ba\u03b1\u03c4\u03b1\u03b3\u03c1\u03ac\u03c8\u03bf\u03c5\u03bd \u03c4\u03c5\u03c7\u03cc\u03bd \u03bc\u03b5\u03c4\u03b1\u03b2\u03bf\u03bb\u03ad\u03c2 \u03ae \u03bd\u03ad\u03b1 \u03b5\u03c5\u03c1\u03ae\u03bc\u03b1\u03c4\u03b1, \u03ba\u03b1\u03b9 \u03b8\u03b1 \u03b5\u03c0\u03b1\u03bd\u03ad\u03bb\u03b8\u03bf\u03c5\u03bc\u03b5 \u03c3\u03cd\u03bd\u03c4\u03bf\u03bc\u03b1 \u03bc\u03b5 \u03c0\u03b5\u03c1\u03b9\u03c3\u03c3\u03cc\u03c4\u03b5\u03c1\u03b5\u03c2 \u03bb\u03b5\u03c0\u03c4\u03bf\u03bc\u03ad\u03c1\u03b5\u03b9\u03b5\u03c2 \u03ba\u03b1\u03b9 \u03c0\u03b5\u03c1\u03b9\u03c3\u03c3\u03cc\u03c4\u03b5\u03c1\u03b1 \u03c3\u03c5\u03bc\u03c0\u03b5\u03c1\u03ac\u03c3\u03bc\u03b1\u03c4\u03b1. \u03a9\u03c2 \u03c4\u03cc\u03c4\u03b5,<\/p>\n<p><a class=\"button button--blue\" href=\"https:\/\/www.dianeosis.org\/wp-content\/uploads\/2019\/11\/final_pisa2015.pdf\">\u0394\u0399\u0391\u0392\u0391\u03a3\u03a4\u0395 \u039f\u039b\u039f\u039a\u039b\u0397\u03a1\u0397 \u03a4\u0397 \u039c\u0395\u039b\u0395\u03a4\u0397 \u0395\u0394\u03a9 (PDF)<\/a><\/p>\n<p><a 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