Participating Schools and Countries 2026
| SCHOOL | 1st Delegation | 2nd Delegation | 3rd Delegation | 4th Delegation | 5th Delegation |
| Ampleforth College | Lithuania | Mali | |||
| Bishop Thomas Grant | India | Mauritania | |||
| Blackrock College | Denmark (SC) | Afghanistan | |||
| Calday Grange | Israel | ||||
| Catholic University School | Venezuela | Niger | |||
| Cheadle Hulme School | Liberia (SC) | Cuba | Canada | ||
| Civico Polo Scolastico, Milan | Congo (Dem Rep) (SC) | Spain | |||
| Coloma Convent Girls School | Pakistan (SC) | Australia | |||
| Cours St Charles | Iran | Finland | |||
| Croydon High School | Colombia (SC) | Syria | Belarus | Türkiye | |
| ETSS Wicklow | Netherlands | ||||
| Frankfurt Int’l School | USA (SC) | Malaysia | Norway | ||
| George Cosbuc , Bucharest | Greece (SC) | ||||
| Gonzaga College | Poland | ||||
| Gordon’s School | Somalia (SC) | Oman | Korea (Rep) – South | ||
| Habs Elstree Schools | Bahrain (SC) | UAE | |||
| Hitachi Daiichi Senior High | Philippines | Thailand | |||
| Mount Anville School | Japan | Egypt | |||
| Rathdown School | Russian Fed (SC) | Cameroon | Viet Nam | ||
| Royal Russell | Germany | Chile | |||
| Santa Margarita Catholic High | Ukraine | Nigeria | Mexico | ||
| Sezin Okulu | Singapore | Brazil | |||
| St Andrew’s College | UK (SC) | Senegal | South Sudan | Uruguay | Yemen |
| St George’s British School | Panama (SC) | Sweden | Ireland | Korea (Dem Rep) – North | |
| St Gerard’s School | Lebanon | ||||
| St Joseph’s Gr/Fr School | France (SC) | Iceland | Cyprus | ||
| St Paul’s College | Italy | ||||
| Terenure College | China (SC) | Chad | Iraq | ||
| Wesley College | Latvia (SC) |
