| Delegation | SCHOOL |
| Afghanistan | Blackrock College |
| Australia | Coloma Convent Girls School |
| Bahrain (SC) | Habs Elstree Schools |
| Belarus | Ampleforth College |
| Brazil | Sezin Okulu |
| Cameroon | Rathdown School |
| Canada | Cheadle Hulme School |
| Chad | Terenure College |
| Chile | Royal Russell |
| China (SC) | Terenure College |
| Colombia (SC) | Croydon High School |
| Congo (Dem Rep) (SC) | Civico Polo Scolastico, Milan |
| Croatia | Anatolia High School |
| Cuba | Cheadle Hulme School |
| Cyprus | St Joseph’s Gr/Fr School |
| Denmark (SC) | Blackrock College |
| Egypt | Mount Anville School |
| Finland | Cours St Charles |
| France (SC) | St Joseph’s Gr/Fr School |
| Germany | Royal Russell |
| Greece (SC) | George Cosbuc , Bucharest |
| Iceland | St Joseph’s Gr/Fr School |
| India | Bishop Thomas Grant |
| Iran | Cours St Charles |
| Iraq | Terenure College |
| Ireland | St George’s British School |
| Israel | Calday Grange |
| Italy | Not allocated |
| Japan | Mount Anville School |
| Korea (Dem Rep) – North | St George’s British School |
| Korea (Rep) – South | Gordon’s School |
| Latvia (SC) | St Paul’s College |
| Lebanon | St Gerard’s School |
| Liberia (SC) | Cheadle Hulme School |
| Lithuania | Croydon High School |
| Malaysia | Frankfurt Int’l School |
| Mali | Ampleforth College |
| Mauritania | Bishop Thomas Grant |
| Mexico | Santa Margarita Catholic High |
| Netherlands | Not allocated |
| Niger | Catholic University School |
| Nigeria | Santa Margarita Catholic High |
| Norway | Frankfurt Int’l School |
| Oman | Gordon’s School |
| Pakistan (SC) | Coloma Convent Girls School |
| Panama (SC) | St George’s British School |
| Philippines | Hitachi Daiichi Senior High |
| Poland | Gonzaga College |
| Qatar | Anatolia High School |
| Russian Fed (SC) | Rathdown School |
| Senegal | St Andrew’s College |
| Singapore | Sezin Okulu |
| Somalia (SC) | Gordon’s School |
| South Sudan | St Andrew’s College |
| Spain | Civico Polo Scolastico, Milan |
| Sweden | St George’s British School |
| Syria | Croydon High School |
| Thailand | Hitachi Daiichi Senior High |
| Türkiye | Croydon High School |
| UAE | Habs Elstree Schools |
| UK (SC) | St Andrew’s College |
| Ukraine | Santa Margarita Catholic High |
| Uruguay | St Andrew’s College |
| USA (SC) | Frankfurt Int’l School |
| Venezuela | Catholic University School |
| Viet Nam | Rathdown School |
| Yemen | St Andrew’s College |
