| SCHOOL | COUNTRIES |
| 2nd Gymnasium | Luxembourg & Netherlands |
| Åas videregående skole | Slovakia |
| American Academy, Casablanca | Australia, Germany (SC) & Lebanon |
| Benenden | China (SC), Spain, Indonesia & Myanmar |
| Cheadle Hulme | Madagascar, Romania, Colombia (SC) & Somalia |
| Christ’s Hospital | Congo (Dem Rep), France (SC) & Kazakhstan |
| Civico Liceo | Rwanda, Ghana & Greece |
| Exeter | Syria & Portugal (SC) |
| Florya College Istanbul | Costa Rica |
| FNV Erenkoy Isik High Sch Istanbul | Venezuela |
| Frankfurt International | Egypt, Sweden, Italy & India (SC) |
| GeMUN, Genova, Italy | Saudi Arabia & Slovenia |
| Habs Boys | Afghanistan, Russian Fed (SC), Argentina & Canada |
| Habs Girls | Estonia & South Africa (SC) |
| Haileybury | Iraq, Pakistan (SC) & Oman |
| Hastings (Helenswood) | Turkey |
| Hitachi First High School | Japan |
| International School of Helsinki | Mali & UK (SC) |
| King Edward VI Chelmsford | Senegal & Hungary |
| Rathdown | Morrocco, Thailand & Ethiopia |
| RRS | Bulgaria, Finland, Georgia, Iran, Jamaica, Philippines, Albania, Nepal, Barbados & Ukraine |
| Santa Margarita | Kenya, Sudan & Chile |
| Shrewsbury | Israel, North Korea & Azerbaijan (SC) |
| St Andrew’s, Dublin | Malta, South Sudan, Uganda, Brazil, USA (SC), Libya, New Zealand & Sri Lanka |
| St Edmund’s College, Ware | Zimbabwe & Yemen |
| St Joseph’s (15) | Serbia, Singapore & Qatar |
| Terenure | Guatemala (SC), Norway & Poland |
| The High School, Dublin | Belgium & Ireland |
| The Park School, Yeovil | Togo (SC) |
| William Parker, Hastings | Cuba & Mexico |
