| SCHOOL | Country 1 | Country 2 | Country 3 | Country 4 | Country 5 | Country 6 | Country 7 |
| ACS Egham | Equatorial Guinea (SC) | Iran | | | | | |
| American School of Bilbao | Kuwait (SC) | Myanmar | Turkey | Vietnam | | | |
| ÅS Videregaende Skole | Bahrain | | | | | | |
| Benenden | China (*SC) | Sri Lanka | | | | | |
| Bishop Thomas Grant | Dominican Republic (SC) | Iraq | | | | | |
| Brains Int’l School | Brazil | New Zealand | | | | | |
| Burntwood | Argentina | | | | | | |
| Cheadle Hulme | USA (*SC) | Latvia | | | | | |
| Coláiste Bhaile Chláir | Cambodia | Congo (Rep) | | | | | |
| *Colegio Ayalde* | Australia | Italy | Switzerland | | | | |
| *Cours St Charles | Monaco | Netherlands | Norway | | | | |
| First Middle School of Kifissia | Georgia | Luxembourg | Spain | | | | |
| First Senior High School of Kifissia | Peru (SC) | Cuba | Bolivia | | | | |
| Frankfurt Int’l School | South Africa (SC) | India | Tunisia | Chile | Somalia | | |
| George Cosbuc High School | Portugal | | | | | | |
| Gordon’s School | Uruguay | Ukraine | Venezuela | | | | |
| Habs Boys | Russian Federation (*SC) | Congo (Dem Rep) | Kazakhstan | | | | |
| HAEF Psychico College | Germany (SC) | Denmark | Egypt | Lithuania | | | |
| Haileybury | Korea (Dem Rep) – North | Greece | | | | | |
| Hitachi First High School | Korea (Rep) – South | | | | | | |
| Lingfield College | Jordan | Czech Republic | | | | | |
| * Munabe School | Iceland | | | | | | |
| Newpark Comprehensive | Syria | Slovakia | | | | | |
| Rathdown | Finland | Canada | Austria | Madagascar | | | |
| Reigate Grammar | Israel | | | | | | |
| Royal Russell School | Pakistan | Jamaica | Uganda | | | | |
| Ryde Academy | Bhutan | | | | | | |
| Sainte Victoire Int’l School | Saudi Arabia | Sudan | | | | | |
| Santa Margarita Catholic High | France (*SC) | Serbia | | | | | |
| Shrewsbury | Indonesia (SC) | | | | | | |
| St Andrew’s, Dublin | United Kingdom (*SC) | Yemen | Zimbabwe | Malaysia | Malta | Mexico | Costa Rica |
| St Gerard’s School | Croatia | | | | | | |
| St Joseph Greek French School | Poland (SC) | Morocco | Algeria | Bosnia | Botswana | Slovenia | |
| Sydenham High School | Ireland | Bulgaria | | | | | |
| TASIS, England | Singapore | | | | | | |
| Terenure College | Cote d’Ivoire (SC) | Ethiopia | Estonia | | | | |
| Wesley College, Dublin | Belgium (SC) | Angola | | | | | |
