89 Mandoulides Junior-Senior High School students who took part in phase A, “Thales”, of the 79th Hellenic Mathematical Society National Competition qualified for the next phase. The competition took place on Saturday, 10 November, 2018 in Thessaloniki. The students are as follows:
| 8th Grade | 9th Grade | 10th Grade | 11th Grade | 12th Grade |
| Ε. Adamu | Ν. Gutzamanis | A. Andreadi | H. Alvanos | Κ. Kutrulis |
| G. Andreadi | Α. - Ο. Efremidu | Α. Georgiadis | D. Vasiliadis | R. Lumi |
| G. Andronikidis | Α. Karavasili | Ι. Dimulios | Ο. Dadudi | Ο. Pliaridis |
| Ο. - L. Anemulis | Κ. Konstantellos | D. Dulgkeris | G. Kapalis Prusalis | Α. - H. Savva |
| A. Giannakis | Μ. Konstantinidu | Ch. Karafyllia | Μ. - Μ. Karagitsi | A. Skenderis |
| Μ. Ganatsa | Μ. Maligudi | D. Kutsogeorgu | Ε. Kimpuropulu | P. Sulidis |
| D. Ganatsas | Μ. Batzoli | G. Bruziotis | S. Mastoris | P. Halimurdas |
| Ε. Zlatu | Α. Bursinos | V. Papageorgiu | Th. - Α. Billas | |
| G. Iakovidis | Α. Papadopulos | Α. Papazikos | H. Papazoglu | |
| G. Kaimaki | D. Papadopulu | Ch. Pilianidis | Α. - R. Spyropulu | |
| Κ. Karagitsi | Ι. Stampulidis | Ν. Sortikos | Th. Tzellos | |
| G. Karapanagioti | P. Talatas | Μ. Triantafyllidis | ||
| Α. Karafyllias | P. Tzartzi | Α. Harizona | ||
| Α. Kolettas | S. Tsiranidis | |||
| Α. Kumani | M. - A. Hristidi | |||
| Ι. Kumanis | ||||
| Κ. Konstantinidis | ||||
| Ο. Konstantinidis | ||||
| Τ. Konstantinidis | ||||
| S. Mamalis | ||||
| H. Masutis | ||||
| V. Banaka | ||||
| Κ. Banaka | ||||
| Μ. Bellis | ||||
| Μ. - Μ. Dontulu | ||||
| Α. - Μ. Pampori | ||||
| Th. Papavramidis | ||||
| Α. Papadopulos | ||||
| Α. Papadopulu | ||||
| S. Papathanasiu | ||||
| D. Pilianidis | ||||
| Μ. Polyzuli | ||||
| Κ. Sachtaridu | ||||
| S. - Th. Spyropoulos | ||||
| Κ. - Μ. Stergiopoulos | ||||
| Μ. Tampu | ||||
| Α. Tampuris | ||||
| Μ. Telloglu | ||||
| Ν. - Μ. Tsaku | ||||
| Α. Tsiorvas | ||||
| R. Tsiorvas | ||||
| Α. Filippas | ||||
| Α. Husiada |
The 3 schools with the most distinctions in the competition:
| Α/Α | SCHOOL | NUMBER OF DISTINCTIONS |
| 1 | ATHENS COLLEGE - PSYCHIKO COLLEGE HELLENIC AMERICAN EDUCATIONAL FOUNDATION | 122 |
| 2 | MANDOULIDES SCHOOLS | 89 |
| 3 | ANAVRYTA EXPERIMENTAL SCHOOL | 83 |
Photo: Wallpoper
