Brazil (BRZ)

1. CARLOS SHINE - LEADER
2. REGIS BARBOSA - DEPUTY

Students (Contestants):
1. Rodrigo Sanches Angelo
2. Rafael Miyazaki
3. Victor Bitaraes
4. Victor Reis
5. Franco Severo
6. Rafael Melo

 Bulgaria (BUL)

1. NIKOLAI NIKOLOV - LEADER
2. PETER BOYVALENKOV - DEPUTY

Students (Contestants):
1. Ivailo Hartarski
2. Todor Markov
3. Victor Radivchev
4. Nguen Chi Zung
5. Aleksandar Tenev
6. Lyuben Lichev

 People's Rep. China (CHN)

1. ZHANG ZHENGJIE - LEADER
2. CEN AIGUO - DEPUTY LEADER
3. FANG MUDAN - OBSERVER

Students (Contestants):
1. Xu Yunhao
2. Chen Bohan
3. Wu Yuchen
4. Zhang Shengtong
5. Huang Yishan
6. Liu Xiewei

 Hungary (HUN)

1. JóZSEF PELIKÁN - LEADER
2. ZOLTÁN GYENES - DEPUTY

Students (Contestants):
1. Márton Havasi
2. Olivér Janzer
3. Róbert Nagy
4. Péter Simon
5. Attila Szabó
6. Jakab Tardos

 Italy (ITA)

1. LUDOVICO PERNAZZA - LEADER
2. POLONI FEDERICO - DEPUTY
3. BIANCHI ANDREA - OBSERVER

Students (Contestants):
1. Antonelli Gioacchino
2. Ascari Dario
3. Ferri Fabio
4. Franz Giada
5. Glaudo Federico
6. Trevisiol Marco

 Poland (POL)

1. KAMIL DUSZENKO - LEADER
2. DAMIAN ORLEF - DEPUTY

Students (Contestants):
1. Lukasz Bozyk
2. Karol Kaszuba
3. Igor Kotrasinski
4. Barbara Mroczek
5. Pawel Nalecz-Jawecki
6. Konrad Paluszek

 Romania (ROM1)

1. DINU SERBANESCU - LEADER

Students (Contestants):
1. Cerrahoglu Omer
2. Spataru Stefan
3. Gramatovici Stefan
4. Tran-Bah Hai
5. Bocanu Marius
6. Andronache Andrei

 Romania (ROM2)

1. BUD VIOREL - LEADER

Students (Contestants):
1. Musca Paul
2. Ploscaru Ioan
3. Abu-baker Abdalah
4. Lucesu Patrick
5. Zamfiratos Amir
6. Ovidiu Sontea

 Romania (ROM3)

1. CSAPO HAJNALKA - LEADER

Students (Contestants):
1. Toma Florina
2. Diaconu Simona
3. Magalie Andreea
4. Pripoae Silvia
5. Cobzaru Raluca
6. Darauta Raluca

 Russian Federation (RUS)

1. KOZHEVNIKOV PAVEL - LEADER
2. BOGDANOV ILYA - DEPUTY

Students (Contestants):
1. Krachun Dmitrii
2. Shabanov Lev
3. Baev Budimir
4. Volgin Andrey
5. Golovanov Aleksandr
6. Karpushkin Danil
7. Bubnova Anna

 Serbia (SRB)

1. MILJAN KNEžEVIć - LEADER
2. BORIS ŠOBOT - DEPUTY

Students (Contestants):
1. Ivan Tanasijevic
2. Lazar Radicevic
3. Vukasin Brkovic
4. Jelena Trisovic
5. Simon Stojkovic
6. Zarko Randjelovic

 United Kingdom (UK)

1. JONATHAN LEE - LEADER
2. BEVERLY DETOEUF - DEPUTY

Students (Contestants):
1. Andrew Carlotti
2. Gabriel Gendler
3. Daniel Hu
4. Sahl Khan
5. Warren Li
6. Matei Mandache

 Ukraine (UKR)

1. ANIKUSHIN ANDRII - DEPUTY LEADER
2. LISHUNOV VITALII - LEADER
3. RUDENKO OLEKSANDR - OBSERVER

Students (Contestants):
1. Shchehlov Mykyta
2. Diomidov Yevhenii
3. Khilko Danylo
4. Shatokhin Mykhaylo
5. Dashkov Oleksandr
6. Riazanov Andrii

 United States (USA)

1. RAZVAN GELCA - LEADER
2. ZUMING FENG - DEPUTY

Students (Contestants):
1. Andre Arslan
2. Mark Sellke
3. David Stoner
4. James Tao
5. Danielle Wang
6. Darryl Wu

 T. Vianu (Romania) (VIANU)

1. COSTEL CHITES - LEADER

Students (Contestants):
1. Stan Rares
2. Iorgulescu Tiberiu
3. Cristali Irina
4. Dobran Robert
5. Stoucs Andrei
6. Constantinescu Petru