{"id":156256,"date":"2026-02-16T14:54:13","date_gmt":"2026-02-16T12:54:13","guid":{"rendered":"https:\/\/mandoulides.edu.gr\/?p=156256"},"modified":"2026-02-17T14:56:05","modified_gmt":"2026-02-17T12:56:05","slug":"1st-school-in-northern-greece-3rd-in-greece-with-40-students-succeeding-in-the-euclid-competition-2026-of-the-hellenic-mathematical-society","status":"publish","type":"post","link":"https:\/\/mandoulides.edu.gr\/en\/1st-school-in-northern-greece-3rd-in-greece-with-40-students-succeeding-in-the-euclid-competition-2026-of-the-hellenic-mathematical-society\/","title":{"rendered":"1st School in Northern Greece, 3rd in Greece with 40 Students Succeeding in the \u201cEuclid\u201d Competition 2026 of the Hellenic Mathematical Society\u00a0"},"content":{"rendered":"<p><span data-contrast=\"auto\">Mandoulides\u00a0Schools rank\u00a0<\/span><b><span data-contrast=\"auto\">1st in Northern Greece<\/span><\/b><span data-contrast=\"auto\">\u00a0in number of successful participants and\u00a0<\/span><b><span data-contrast=\"auto\">3rd in Greece<\/span><\/b><span data-contrast=\"auto\">, with\u00a0<\/span><b><span data-contrast=\"auto\">40 students<\/span><\/b><span data-contrast=\"auto\">\u00a0qualifying in the 86th Panhellenic Competition of the Hellenic Mathematical Society (HMS)\u00a0<\/span><i><span data-contrast=\"auto\">\u201cEuclid\u201d<\/span><\/i><span data-contrast=\"auto\">, which took place on\u00a0<\/span><b><span data-contrast=\"auto\">Saturday, January 17, 2026<\/span><\/b><span data-contrast=\"auto\">. These students will\u00a0participate\u00a0in the final stage of the\u00a0<\/span><b><span data-contrast=\"auto\">43rd National Mathematical Olympiad \u201cArchimedes\u201d<\/span><\/b><span data-contrast=\"auto\">\u00a0of the HMS, to be held on\u00a0<\/span><b><span data-contrast=\"auto\">Saturday, February 28, 2026<\/span><\/b><span data-contrast=\"auto\">.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><b><span data-contrast=\"auto\">The students are:<\/span><\/b><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><b><span data-contrast=\"auto\">5th Grade (Primary School)<\/span><\/b><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<ul>\n<li aria-setsize=\"-1\" data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"1\" data-list-defn-props=\"{&quot;335552541&quot;:1,&quot;335559685&quot;:720,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Symbol&quot;,&quot;469769242&quot;:[8226],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;\uf0b7&quot;,&quot;469777815&quot;:&quot;multilevel&quot;}\" data-aria-posinset=\"1\" data-aria-level=\"1\"><span data-contrast=\"auto\">N.-G.\u00a0Kleisarchakis\u00a0(competed on 8thgrade level problems)<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/li>\n<\/ul>\n<p><b><span data-contrast=\"auto\">6th Grade (Primary School)<\/span><\/b><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<ul>\n<li aria-setsize=\"-1\" data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"2\" data-list-defn-props=\"{&quot;335552541&quot;:1,&quot;335559685&quot;:720,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Symbol&quot;,&quot;469769242&quot;:[8226],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;\uf0b7&quot;,&quot;469777815&quot;:&quot;multilevel&quot;}\" data-aria-posinset=\"1\" data-aria-level=\"1\"><span data-contrast=\"auto\">M. Matsou (competed on 8thgrade level problems)<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/li>\n<\/ul>\n<p><b><span data-contrast=\"auto\">7th Grade (1st Grade of Gymnasium)<\/span><\/b><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<ul>\n<li aria-setsize=\"-1\" data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"3\" data-list-defn-props=\"{&quot;335552541&quot;:1,&quot;335559685&quot;:720,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Symbol&quot;,&quot;469769242&quot;:[8226],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;\uf0b7&quot;,&quot;469777815&quot;:&quot;multilevel&quot;}\" data-aria-posinset=\"1\" data-aria-level=\"1\"><span data-contrast=\"auto\">F.\u00a0Nikakis<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/li>\n<\/ul>\n<ul>\n<li aria-setsize=\"-1\" data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"3\" data-list-defn-props=\"{&quot;335552541&quot;:1,&quot;335559685&quot;:720,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Symbol&quot;,&quot;469769242&quot;:[8226],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;\uf0b7&quot;,&quot;469777815&quot;:&quot;multilevel&quot;}\" data-aria-posinset=\"2\" data-aria-level=\"1\"><span data-contrast=\"auto\">O.-K.\u00a0Papaventsis\u00a0(both competed on 8thgrade level problems)<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/li>\n<\/ul>\n<p><b><span data-contrast=\"auto\">8th Grade (2nd Grade of Gymnasium)<\/span><\/b><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<ul>\n<li aria-setsize=\"-1\" data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"4\" data-list-defn-props=\"{&quot;335552541&quot;:1,&quot;335559685&quot;:720,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Symbol&quot;,&quot;469769242&quot;:[8226],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;\uf0b7&quot;,&quot;469777815&quot;:&quot;multilevel&quot;}\" data-aria-posinset=\"1\" data-aria-level=\"1\"><span data-contrast=\"auto\">N. Adamopoulou, Ch.\u00a0Koukoulia, A. Konstantinou, I. Matsos, E.\u00a0Mavropetrou, K.\u00a0Misios, A. Papoutsis, D.\u00a0Pitsegkos, S.\u00a0Ranios, D.\u00a0Stafylas, Ch. Stergiopoulos, V.\u00a0Chondrodimos<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/li>\n<\/ul>\n<p><b><span data-contrast=\"auto\">9th Grade (3rd Grade of Gymnasium)<\/span><\/b><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<ul>\n<li aria-setsize=\"-1\" data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"5\" data-list-defn-props=\"{&quot;335552541&quot;:1,&quot;335559685&quot;:720,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Symbol&quot;,&quot;469769242&quot;:[8226],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;\uf0b7&quot;,&quot;469777815&quot;:&quot;multilevel&quot;}\" data-aria-posinset=\"1\" data-aria-level=\"1\"><span data-contrast=\"auto\">E.\u00a0Giouvanopoulos, Th.\u00a0Gitsa, P. Thanou, I.\u00a0Karatzoglou, A.\u00a0Nikaki, D.\u00a0Ravanos, K. Spanos, Ch. Floros, G.\u00a0Chalkeidis<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/li>\n<\/ul>\n<p><b><span data-contrast=\"auto\">10th Grade (1st Grade of Lyceum)<\/span><\/b><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<ul>\n<li aria-setsize=\"-1\" data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"6\" data-list-defn-props=\"{&quot;335552541&quot;:1,&quot;335559685&quot;:720,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Symbol&quot;,&quot;469769242&quot;:[8226],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;\uf0b7&quot;,&quot;469777815&quot;:&quot;multilevel&quot;}\" data-aria-posinset=\"1\" data-aria-level=\"1\"><span data-contrast=\"auto\">V. Delis, G. Delis, R.\u00a0Maroulas, V. Bekiaris, L.-A. Donati, A.\u00a0Sklavou, Ch.\u00a0Chalkiotis, O. Chasiotis, D. Psarras<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/li>\n<\/ul>\n<p><b><span data-contrast=\"auto\">11th Grade (2nd Grade of Lyceum)<\/span><\/b><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<ul>\n<li aria-setsize=\"-1\" data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"7\" data-list-defn-props=\"{&quot;335552541&quot;:1,&quot;335559685&quot;:720,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Symbol&quot;,&quot;469769242&quot;:[8226],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;\uf0b7&quot;,&quot;469777815&quot;:&quot;multilevel&quot;}\" data-aria-posinset=\"1\" data-aria-level=\"1\"><span data-contrast=\"auto\">E.\u00a0VasileiouAvgoustoglou, M.-E.\u00a0Tsiopoulou<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/li>\n<\/ul>\n<p><b><span data-contrast=\"auto\">12th Grade (3rd Grade of Lyceum)<\/span><\/b><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<ul>\n<li aria-setsize=\"-1\" data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"8\" data-list-defn-props=\"{&quot;335552541&quot;:1,&quot;335559685&quot;:720,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Symbol&quot;,&quot;469769242&quot;:[8226],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;\uf0b7&quot;,&quot;469777815&quot;:&quot;multilevel&quot;}\" data-aria-posinset=\"1\" data-aria-level=\"1\"><span data-contrast=\"auto\">I. Zachou, L. Karageorgiou, Th.\u00a0Papagiotopoulos, Ch.\u00a0Toumanidis<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/li>\n<\/ul>\n<p><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><b><span data-contrast=\"auto\">Top 10 Schools with the Highest Number of Successful Participants<\/span><\/b><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<table data-tablestyle=\"MsoNormalTable\" data-tablelook=\"1184\" aria-rowcount=\"11\">\n<tbody>\n<tr aria-rowindex=\"1\">\n<td data-celllook=\"0\"><b><span data-contrast=\"auto\">No.<\/span><\/b><span data-ccp-props=\"{}\">\u00a0<\/span><\/td>\n<td data-celllook=\"0\"><b><span data-contrast=\"auto\">School<\/span><\/b><span data-ccp-props=\"{}\">\u00a0<\/span><\/td>\n<td data-celllook=\"0\"><b><span data-contrast=\"auto\">Total Successes<\/span><\/b><span data-ccp-props=\"{}\">\u00a0<\/span><\/td>\n<\/tr>\n<tr aria-rowindex=\"2\">\n<td data-celllook=\"0\"><span data-contrast=\"auto\">1<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/td>\n<td data-celllook=\"0\"><span data-contrast=\"auto\">Moraitis School<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/td>\n<td data-celllook=\"0\"><span data-contrast=\"auto\">55<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/td>\n<\/tr>\n<tr aria-rowindex=\"3\">\n<td data-celllook=\"0\"><span data-contrast=\"auto\">2<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/td>\n<td data-celllook=\"0\"><span data-contrast=\"auto\">Athens College<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/td>\n<td data-celllook=\"0\"><span data-contrast=\"auto\">54<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/td>\n<\/tr>\n<tr aria-rowindex=\"4\">\n<td data-celllook=\"0\"><span data-contrast=\"auto\">3<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/td>\n<td data-celllook=\"0\"><b><span data-contrast=\"auto\">Mandoulides\u00a0Schools<\/span><\/b><span data-ccp-props=\"{}\">\u00a0<\/span><\/td>\n<td data-celllook=\"0\"><b><span data-contrast=\"auto\">40<\/span><\/b><span data-ccp-props=\"{}\">\u00a0<\/span><\/td>\n<\/tr>\n<tr aria-rowindex=\"5\">\n<td data-celllook=\"0\"><span data-contrast=\"auto\">4<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/td>\n<td data-celllook=\"0\"><span data-contrast=\"auto\">Anavryta\u00a0Model School<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/td>\n<td data-celllook=\"0\"><span data-contrast=\"auto\">40<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/td>\n<\/tr>\n<tr aria-rowindex=\"6\">\n<td data-celllook=\"0\"><span data-contrast=\"auto\">5<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/td>\n<td data-celllook=\"0\"><span data-contrast=\"auto\">Varvakeio\u00a0Model Gymnasium<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/td>\n<td data-celllook=\"0\"><span data-contrast=\"auto\">32<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/td>\n<\/tr>\n<tr aria-rowindex=\"7\">\n<td data-celllook=\"0\"><span data-contrast=\"auto\">6<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/td>\n<td data-celllook=\"0\"><span data-contrast=\"auto\">Evangeliki\u00a0Model School of Smyrna<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/td>\n<td data-celllook=\"0\"><span data-contrast=\"auto\">29<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/td>\n<\/tr>\n<tr aria-rowindex=\"8\">\n<td data-celllook=\"0\"><span data-contrast=\"auto\">7<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/td>\n<td data-celllook=\"0\"><span data-contrast=\"auto\">Psychico\u00a0College (Hellenic-American)<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/td>\n<td data-celllook=\"0\"><span data-contrast=\"auto\">26<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/td>\n<\/tr>\n<tr aria-rowindex=\"9\">\n<td data-celllook=\"0\"><span data-contrast=\"auto\">8<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/td>\n<td data-celllook=\"0\"><span data-contrast=\"auto\">American College Anatolia<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/td>\n<td data-celllook=\"0\"><span data-contrast=\"auto\">25<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/td>\n<\/tr>\n<tr aria-rowindex=\"10\">\n<td data-celllook=\"0\"><span data-contrast=\"auto\">9<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/td>\n<td data-celllook=\"0\"><span data-contrast=\"auto\">2nd Model Gymnasium of Thessaloniki<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/td>\n<td data-celllook=\"0\"><span data-contrast=\"auto\">23<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/td>\n<\/tr>\n<tr aria-rowindex=\"11\">\n<td data-celllook=\"0\"><span data-contrast=\"auto\">10<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/td>\n<td data-celllook=\"0\"><span data-contrast=\"auto\">Varvakeio\u00a0Model Lyceum<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/td>\n<td data-celllook=\"0\"><span data-contrast=\"auto\">21<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Mandoulides\u00a0Schools rank\u00a01st in Northern Greece\u00a0in number of successful participants and\u00a03rd in Greece, with\u00a040 students\u00a0qualifying in the 86th Panhellenic Competition of the Hellenic Mathematical Society (HMS)\u00a0\u201cEuclid\u201d, which took place on\u00a0Saturday, January 17, 2026. These students will\u00a0participate\u00a0in the final stage of the\u00a043rd National Mathematical Olympiad \u201cArchimedes\u201d\u00a0of the HMS, to be held on\u00a0Saturday, February 28, 2026.\u00a0 The students [&hellip;]<\/p>\n","protected":false},"author":17,"featured_media":156253,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[124],"tags":[],"class_list":["post-156256","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"acf":[],"_links":{"self":[{"href":"https:\/\/mandoulides.edu.gr\/en\/wp-json\/wp\/v2\/posts\/156256"}],"collection":[{"href":"https:\/\/mandoulides.edu.gr\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/mandoulides.edu.gr\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/mandoulides.edu.gr\/en\/wp-json\/wp\/v2\/users\/17"}],"replies":[{"embeddable":true,"href":"https:\/\/mandoulides.edu.gr\/en\/wp-json\/wp\/v2\/comments?post=156256"}],"version-history":[{"count":1,"href":"https:\/\/mandoulides.edu.gr\/en\/wp-json\/wp\/v2\/posts\/156256\/revisions"}],"predecessor-version":[{"id":156257,"href":"https:\/\/mandoulides.edu.gr\/en\/wp-json\/wp\/v2\/posts\/156256\/revisions\/156257"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/mandoulides.edu.gr\/en\/wp-json\/wp\/v2\/media\/156253"}],"wp:attachment":[{"href":"https:\/\/mandoulides.edu.gr\/en\/wp-json\/wp\/v2\/media?parent=156256"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mandoulides.edu.gr\/en\/wp-json\/wp\/v2\/categories?post=156256"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mandoulides.edu.gr\/en\/wp-json\/wp\/v2\/tags?post=156256"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}