Brazil (BRZ)

1. FABRICIO SIQUEIRA BENEVIDES - Leader
2. MATHEUS SECCO - Deputy

Students (Contestants):
1. Andre COSTA
2. Henrique NASCIMENTO
3. Joao Lucas CAMELO SA
4. Maria Clara MENDES SILVA
5. Rafael Kazuhiro MIYAZAKI
6. Rodrigo Sanches ANGELO

 Bulgaria (BUL)

1. PENCHEV PLAMEN - Leader
2. BOYVALENKOV PETER - Deputy

Students (Contestants):
1. Bogdan Stankov
2. Rafael Rafailov
3. Ivailo Hartarski
4. Radoslav Komitov
5. Todor Markov
6. Martin Minchev

 People's Rep. China (CHN)

1. LIU LAIFU - Leader
2. LI QIUSHENG - Deputy
3. ZHANG CHAOYUE - Observer
4. CHEN CHEN - Observer

Students (Contestants):
1. Chen Jingwen
2. Zhao Bojun
3. Gao Zijun
4. Wei Hongji
5. Gao Yibo
6. Duan Boyan

 Hungary (HUN)

1. GYENES ZÓLTAN - Leader

Students (Contestants):
1. Andor Viharos
2. Gergely Bunth
3. Marton Havasi
4. Marton Mester
5. Peter Strenner
6. Robert Nagy

 Italy (ITA)

1. DVORNICICH ROBERTO - Leader
2. MORANDIN FRANCESCO - Deputy
3. SAMUELE MONGODI - Observer

Students (Contestants):
1. Gioacchino Antonelli
2. Julian Demeio
3. Federico Glaudo
4. Luigi Pagano
5. Luca Versari
6. Damiano Zeffiro

 Poland (POL)

1. KAMIL DUSZENKO - Leader
2. FILIP BOROWIEC - Deputy

Students (Contestants):
1. Grzegorz Bialek
2. Maciej Duleba
3. Teodor Jerzak
4. Karol Kaszuba
5. Wojciech Nadara
6. Michal Zajac

 Romania (ROM)

1. SERBANESCU DINU - Leader

Students (Contestants):
1. Radu Bumbacea
2. Omer Cerrahoglu
3. Octav Dragoi
4. Alexandru Milu
5. Stefan Ivanovici
6. Viorel Andrei Bud

 Romania (ROMB)

1. SERBANESCU DINU - Leader

Students (Contestants):
1. Tran Bach Hai
2. Stefan Gramatovici
3. Petru Constantinescu
4. Stefan Spataru
5. Horia Nicolaescu
6. Marius Bocanu

 Romania (ROMF)

1. DAN SCHWARZ - Leader

Students (Contestants):
1. Andreea Magalie
2. Simona Diaconu
3. Ioana Tamas
4. Stefana Anita
5. Florina Toma
6. ...

 Russian Federation (RUS)

1. GARBER ALEXEY - Leader
2. BOGDANOV ILYA - Deputy

Students (Contestants):
1. Grigorev Mikhail
2. Kliuev Daniil
3. Krachun Dmitry
4. Krokhmal Nikolay
5. Matushkin Alexander
6. Ostanin Aleksandr
7. Voronetckii Egor

 Serbia (SRB)

1. DUKIC DUŠAN - Leader

Students (Contestants):
1. Igor Spasojevic
2. Ilija Buric
3. Milan Krstajic
4. Maksim Stokic
5. Katarina Lukic

 Ukraine (UKR)

1. ANIKUSHIN ANDRII - Leader
2. LISHUNOV VITALII - Deputy

Students (Contestants):
1. Chaudkhari Maksym
2. Pavliuk Mariia
3. Kivva Bogdan
4. Riazanov Andrii
5. Rudenko Oleksandr
6. Soskin Daniel

 United Kingdom (UNK)

1. CRANCH JAMES - Leader
2. GAZET JAMES ROBERT - Deputy

Students (Contestants):
1. Andrew Carlotti
2. Sam Cappleman-Lynes
3. James Aaronson
4. Sahl Khan
5. Joshua Lam
6. Vishal Patil

 United States (USA)

1. GELCA RAZVAN - Leader
2. FENG ZUMING - Deputy

Students (Contestants):
1. Brakensiek Joshua
2. Sellke Mark
3. Swayze Thomas
4. Tao James
5. Wang Victor
6. Yang Dai

 T. Vianu (Romania) (VIANU)

1. CHITES COSTEL - Leader

Students (Contestants):
1. Anghel Cipriana
2. Baciu Adela
3. Amir Zamfiratos
4. Irina Cristali
5. Tudor Tomescu
6. Rares Stan