Brasil (BRZ)

1. YURI LIMA - Leader
2. ALEX ABREU - Deputy

Students (Contestants):
1. Deborah Barbosa Alves
2. Gustavo Lisboa Empinotti
3. Hanon Guy (Lima) Rossi
4. Joao Lucas Camelo Sa
5. Lucas Lourenco Hernandes
6. Maria Clara Mendes Silva

 Bulgaria (BUL)

1. KOLEV EMIL - Leader
2. PETER BOYVALENKOV - Deputy

Students (Contestants):
1. Victor Valov
2. Radoslav Kafov
3. Rafael Rafailov
4. Bogdan Stankov
5. Zhivko Zhechev
6. Kubrat Danailov

 Great Britain (GBR)

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

Students (Contestants):
1. Carlotti Andrew
2. Elliott Benjamin
3. Freeland Richard
4. Godfrey Edward
5. Goucher Adam
6. Millar Jordan

 Hungary (HUN)

1. GYENES ZOLTAN - Leader

Students (Contestants):
1. Damasdi Gabor
2. Dankovics Attila
3. Janzer Oliver
4. Kalina Kende
5. Lenger Daniel
6. Nagy Donat

 Italy (ITA)

1. DVORNICICH ROBERTO - Leader
2. MORANDIN FRANCESCO - Deputy
3. DI SIMONE SIMONE - Observer

Students (Contestants):
1. Bianchi Andrea
2. Borghese Federico
3. Demeio Julian
4. Glaudo Federico
5. Lido Guido Maria
6. Pigati Alessandro

 People's Rep. China (CHN)

1. FENG ZHIGANG - Leader
2. CHEN JINHUI - Deputy

Students (Contestants):
1. Xu Jun Nan
2. Lin Yi Er
3. She Yiyang
4. Zhou Tianyou
5. Fei Jiayan
6. Gu Chao

 Peru (PER)

1. JORGE TIPE VILLANUEVA - Leader

Students (Contestants):
1. Raul Chavez Sarmiento
2. Jose Gustavo Garcia Sulca
3. Gianmarco Gutierrez Taipe
4. Alejandro Loyola Bartra
5. Paul Luyo Carbonero
6. Juan Paucar Zanabria

 Poland (POL)

1. PILIPCZUK MICHAL - Leader
2. KOBOS TOMASZ - Deputy

Students (Contestants):
1. Borowiec Michal
2. Kubicius Szymon
3. Matusiak Michal
4. Nadara Wojciech
5. Orlef Damian
6. Zajac Michal

 Romania (ROM)

1. SERBANESCU DINU - Leader

Students (Contestants):
1. Bumbacea Radu
2. Cerrahoglu Omer
3. Dragoi Octav
4. Ivanovici Stefan
5. Padurariu Tudor
6. Tiba Marius

 Romania (ROMb)

1. SONTEA OVIDIU - Leader

Students (Contestants):
1. Cosma Paul
2. Danaila Dan
3. Soare Madalina
4. Stoica Ana
5. Tamas Ioana
6. Tran Bach Hai

 Russian Federation (RUS)

1. GAVRILYUK ANDREY - Leader
2. BOGDANOV ILYA - Deputy
3. AGAKHANOV NAZAR - Observer

Students (Contestants):
1. Burova Olga
2. Ionov Andrey
3. Kalmynin Aleksandr
4. Malyasova Victoria
5. Pakharev Alexey
6. Tsigler Alexander

 Serbia (SRB)

1. DUGOSIJA DORDE - Leader
2. DUKIC DUSAN - Deputy

Students (Contestants):
1. Von Burg Teodor
2. Spegar Rade
3. Gajovic Stevan
4. Cekic Mario
5. Spasojevic Igor
6. Stojkovic Simon

 T. Vianu (Romania) (VIANU)

1. CHITES COSTEL - Leader

Students (Contestants):
1. Anghel Cipriana
2. Baciu Adela
3. Constantinescu Petru
4. Gramatovici Stefan
5. Marinescu Monica
6. Milu Alexandru

 Ukraine (UKR)

1. RUBLOV BOGDAN - Leader
2. ANIKUSHIN ANDRII - Deputy
3. LISHUNOV VITALII - Observer

Students (Contestants):
1. Bilyy Roman
2. Rudenko Oleksandr
3. Kivva Bogdan
4. Lijko Viktorija
5. Tyeplova Darya
6. Khrushchov Tymur

 United States (USA)

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

Students (Contestants):
1. Druggan Michael
2. Gao Zijing
3. Lee Mitchell
4. Shen Robert
5. Wang Victor
6. Zheng Shijie