Informatics
International Olympiad in Informatics (IOI)
| C. - Α. Mantoulidis | 18th International Olympiad in Informatics, Mexico 2006 |
| I. Tsoukalidis | 13th International Olympiad in Informatics, Finland 2001 |
| C. - Α. Mantoulidis | 19th International Olympiad in Informatics, Croatia 2007 |
| I. Tsoukalidis | 12th International Olympiad in Informatics, China 2000 10th International Olympiad in Informatics, Portugal 1998 |
Balkan Olympiad in Informatics (BOI)
| C. - Α. Mantoulidis | 15th Balkan Olympiad in Informatics, Moldova 2007 |
| I. Tsoukalidis | 8th Balkan Olympiad in Informatics, FYROM 2000, |
| 7th Balkan Olympiad in Informatics, Greece 1999 |
| P. Liampas | 31st Balkan Olympiad in Informatics, Slovenia 2023 |
| R. Ketsetsidis | 24th Balkan Olympiad in Informatics, Cyprus 2016 |
| C. - Α. Mantoulidis | 14th Balkan Olympiad in Informatics, Cyprus 2006, 13th Balkan Olympiad in Informatics, Greece 2005 |
| L. Karageorgiou |
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| P. Liampas | 29th Balkan Olympiad in Informatics, Online 2021 |
Junior Balkan Olympiad in Informatics (JBOI)
| L. Karageorgiou | Junior Balkan Olympiad in Informatics, N. Macedonia 2023 |
| L. Karageorgiou | Junior Balkan Olympiad in Informatics, Romania 2022 |
| P - P. Nikou | Junior Balkan Olympiad in Informatics, Romania 2022 |
| G. Venizelos | 7th Junior Balkan Olympiad in Informatics, Bulgaria 2013 |
Mathematics
International Mathematical Olympiad (IMO)
| V. Georgiadis | 58th International Mathematical Olympiad, Brazil 2017 |
| P. Liambas | 64th International Mathematical Olympiad, Japan 2023 |
| P. Liambas | 63rd International Mathematical Olympiad, Norway 2022 |
| R. Tsiamis | 58th International Mathematical Olympiad, Brazil 2017 |
| E. Taratoris | 51st International Mathematical Olympiad, Kazakhstan 2010 |
| R. Tsiamis | 57th International Mathematical Olympiad, Hong Kong 2016 |
| K. Konstantinidis | 64th International Mathematical Olympiad, Japan 2023 |
| K. Konstantinidis | 63rd International Mathematical Olympiad, Norway 2022 |
| I. Dimoulios | 61st International Mathematical Olympiad, Online 2020 |
| R. Tsiamis | 59th International Mathematical Olympiad, Romania 2018 |
| V. Georgiadis | 57th International Mathematical Olympiad, Hong Kong 2016 |
| A. Panagiotopoulos | 56th International Mathematical Olympiad, Thailand 2015 |
| E. Taratoris | 50th International Mathematical Olympiad, Germany 2009 |
Balkan Mathematical Olympiad (BMO)
| V. Georgiadis | 34th Balkan Mathematical Olympiad, FYROM 2017 |
| P. Liambas | 40th Balkan Mathematical Olympiad, Turkey 2023 |
| P. Liambas | 39th Balkan Mathematical Olympiad, Cyprus 2022 |
| R. Tsiamis | 35th Balkan Mathematical Olympiad, Serbia 2018 |
| R. Tsiamis | 34th Balkan Mathematical Olympiad, FYROM 2017 |
| R. Tsiamis | 33rd Balkan Mathematical Olympiad, Albania 2016 |
| E. Taratoris | 27th Balkan Mathematical Olympiad, Moldova 2010 |
| I. Dimoulios | 38th Balkan Mathematical Olympiad, Cyprus 2021, Online |
| V. Georgiadis | 33rd Balkan Mathematical Olympiad, Albania 2016 |
| G. Venizelos | 32nd Balkan Mathematical Olympiad, Greece 2015 |
| R. Ketsetsidis | 32nd Balkan Mathematical Olympiad, Greece 2015 |
| A. Panagiotopoulos | 32nd Balkan Mathematical Olympiad, Greece 2015 |
| E. Taratoris | 26th Balkan Mathematical Olympiad, Serbia 2009 |
Junior Balkan Mathematical Olympiad (JBMO)
| K. Konstantinidis | 24th Junior Balkan Mathematical Olympiad, Online 2020 |
| R. Tsiamis | 19th Junior Balkan Mathematical Olympiad, Serbia 2015 |
| L. Karageorgiou | 27th Junior Balkan Mathematical Olympiad, Albania 2023 |
| P. Liampas | 24th Junior Balkan Mathematical Olympiad, Online 2020 |
| M. Konstantinidou | 23rd Junior Balkan Mathematical Olympiad, Cyprus 2019 |
| R. Tsiamis | 18th Junior Balkan Mathematical Olympiad, FYROM 2014 |
| I. Zahou | 27th Junior Balkan Mathematical Olympiad, Albania 2023 |
| T. Konstantinidis | 26th Junior Balkan Mathematical Olympiad, Bosnia and Herzegovina 2022 |
| P. - P. Nikou | 26th Junior Balkan Mathematical Olympiad, Bosnia and Herzegovina 2022 |
| M. Zarogoulidis | 25rd Junior Balkan Mathematical Olympiad, Moldova 2021, Online |
| K. Konstantinidis | 23rd Junior Balkan Mathematical Olympiad, Cyprus 2019 |
| O. Pliaridis | 20th Junior Balkan Mathematical Olympiad, Romania 2016 |
| P. Koutsogeorgos | 18th Junior Balkan Mathematical Olympiad, FYROM 2014 |
| G. Venizelos | 17th Junior Balkan Mathematical Olympiad, Turkey 2013 |
| N. Kalosidis | 17th Junior Balkan Mathematical Olympiad, Turkey 2013 |
Mediterranean Mathematics Olympiad (MMO)
| R. Tsiamis | 2016 |
| A. Panagiotopoulos | 2014 |
| E. Mastoris | 2010 |
| E. Friligkou | 2010 |
| E. Taratoris | 2010, 2009 |
Astronomy and Astrophysics
International Olympiad on Astronomy and Astrophysics (IOAA)
| P. Liampas | 14th International Olympiad on Astronomy and Astrophysics, Colombia, 2021. Online |
| G. Papachatzakis | 10th International Olympiad on Astronomy and Astrophysics, India 2016 |
| R. Tsiamis | 11th International Olympiad on Astronomy and Astrophysics, Thailand 2017 |
| G. Papachatzakis | 9th International Olympiad on Astronomy and Astrophysics, Indonesia 2015 |
| E. Tsaprazi | 8th International Olympiad on Astronomy and Astrophysics, Romania 2014 |
| A. Palaskos | 7th International Olympiad on Astronomy and Astrophysics, Greece 2013 |
Olympic Medallists
E. Friligkou
E. Mastoris
P. Koutsogeorgos
N. Kalosidis
G. Venizelos
R. Ketsetsidis
V. Georgiadis
R. Tsiamis
O. Pliaridis
E. Konstantinidou
C. Mantoulidis
A. Palaskos
A. Panagiotopoulos
G. Papachatzakis
K. Samaras - Tsakiris
G. Skolianos
E. Taratoris
E. Tsaprazi
I. Tsoukalidis
Basketball
World Schools Championship Basketball
World Schools Championship Basketball, Israel 1999
Team:
T. Aglamisis, K. Vardavas, S. Georgiadis, T. Georgitsis, N. Zisis, K. Kyriazopoulos, S. Manousakis, C. Markopoulos, A. Papadopoulos, K. Papadopoulos, N. Sidiropoulos, G. Sourmelidis.
World Schools Championship Basketball, Poland 2005
Team:
A. Antoniadis, K. Galazoulas, M. Giannakidis, A. Gryllis, I. Damalis, K. Dimitriadis, S. Ioakeimidis, A. Kelesidis, M. Matalon, T. Plioukas, D. Travlos, G. Chatsatourov.
World Schools Championship Basketball, Turkey 2009
Team:
P. Velissariou, P. Gripsios, A. Davanis, A. Delligiorgis, S. Zeimpekis, M. Karaiskos, A. Naoumis, D. Pantazis - Pergaminelis, K. Soulis, T. Tzilis, T. Tsalkitzis, S. Chatzicharisis.
World Schools Championship Basketball, Greece 2019
Team:
A. Nikolaidis, A. Kalogiros, C. Foroglu, E. Simoglu, A. - C. Psathas, D. - P. Keramaris, G. Gizis, A. Perris, P. Tsamis, T. Katsaunis, L. Fridas, D. - R. Diaz Lewis Kavaliarakis.
World Schools Championship Basketball, Cyprus 2013
Team:
N. Andreadis, C. Venetopoulos, G. Voudouris, A. Gaitanidis, M. Gerothanasis, A. Gkavezos, C. Kioutsoukalis, N. Mitakidis, A. Papadopoulos, A. Refatlari, S. Syropoulos, I. - N. Takis.
Table Tennis
World Schools Table Tennis Championship
| O. Nikolaidis, E. Tsokanos |
World Schools Table Tennis Championship, Slovakia 2002 |
Track and Field
World Schools Track and Field Championship
| M. Palasiou | World Schools Track and Field Championship, China 1999 |
World Schools Basketball Championship
1st Place: World Schools Basketball Championship for Senior High School Boys, Israel 1999
2nd Place: World Schools Basketball Championship for Senior High School Boys, Poland 2005
3rd Place: World Schools Basketball Championship for Senior High School Boys, Turkey 2009
11th Place: World Schools Basketball Championship for Senior High School Boys, Cyprus 2013
