Bosnia and Herzegovina (BIH)

Team leader: Fahrudin Delic

Students (Contestants):
1. Marko Vuci
2. Sergej Krcmar
3. Dzenan Midzic
4. Fatih Zgalj
5. Ismail Brkic

Bulgaria (BUL)

Team leader: Dimo Arnaudov
Deputy leader: Iglika Asenova

Students (Contestants):
1. Aleksander Iliev
2. Aleksander Prodanov
3. Samuil Petkov
4. Viktor Vasilev
5. Margulan Ismoldaev

China (CHN)

Team leader: Jiangtao Gao
Deputy leader: Jichao Hu

Students (Contestants):
1. Xiang Li
2. Dawei Qi
3. Ziqi Wei
4. Zhihan Zhang
5. Chenhuarui Cao

Republic of Moldova (MDA)

Team leaders: Luca Daniela, Purice Vladimir
Observer: Durmus Ali Dede

Students (Contestants):
1. Frija Marius
2. Nicov Stefan
3. Sotropa Victor
4. Telescu Marcel
5. Caruntu Patrick

Russia 1 (RUS1)

Team leaders: Mikhail Osin, Vitaly Shevchenko

Students (Contestants):
1. Denis Ismagilov
2. Matvey Fedin
3. Artemiy Novikov
4. Dmitry Khvatov
5. Amir Akhundzianov

Russia 2 (RUS2)

Team leaders: Mikhail Osin, Vitaly Shevchenko

Students (Contestants):
1. Daniil Rynkevich
2. Nikita Logvinenko
3. Lev Chizhov
4. Maksim Kudriashov
5. Kseniia Petukhova

Romania 1 (ROU1)

Team leaders: Adrian Dafinei

Students (Contestants):
1. Ghita Antonia Alma
2. Mocioi Tudor Gabriel
3. Cotarlan Claudiu Mihai
4. Burlacu Eduard Florin
5. Ardeleanu George Cristian

Romania 2 (ROU2)

Team leaders: Delia Davidescu

Students (Contestants):
1. Murgoci Cristiana Andreea
2. Chiric George
3. Mihaitoaia Cayuss Andrei
4. Marcu Razvan Gabriel
5. Stanescu Robert

Mathematical Grammar School in Belgrade, Serbia (MGS)

Team leaders: Aleksandra Dimic, Dejan Djokic, Ivan Stanic

Students (Contestants):
1. Dobrica Jovanovic
2. Dusan Begus
3. Petar Samardzic
4. Igor Engi
5. Nikola Lakic

Vianu 1 (VIANU1)

Team leaders: Corina Dobrescu

Students (Contestants):
1. Vlad Negoita
2. Andrei Marin
3. Ovidiu Ersen
4. Horia Mercan
5. Rares Filip

Vianu 2 (VIANU2)

Team leaders: Victor Stoica

Students (Contestants):
1. Raisa Axenie
2. Darius Catrina
3. Alexandru Strambei
4. Stefan Barca
5. Antonia Dinu

Vianu Juniors (VIANUJ)

Team leaders: Ioana Stoica, Alexandru Carp

Students (Contestants):
1. Vlad Carasel
2. Razvan Chivu
3. Radu Negovan
4. Theodora Argint
5. Andrei Ciobanu
6. Rares Nita

Romania Juniors (JUN)

Team leaders: Adrian Dafinei

Students (Contestants):
1. Mihnea Butiurca
2. Alexandru Iorga