| Afghanistan | Benenden |
| Algeria | St Joseph’s Greek French School |
| Angola | Terenure College |
| Argentina | American School in London |
| Australia (icj) | Exeter College |
| Bangladesh | St Andrew’s Dublin |
| Belgium | Colegio Ayalde |
| Bolivia (SC) | Charterhouse |
| Bosnia | Munabe | |
| Brazil | FMV Erenkoy Isik High School | |
| Cameroon | West Exe School |
| Canada | Jerusalem School Bethlehem |
| China (SC) | Habs Boys |
| Colombia | Frankfurt International School |
| Croatia | Izmir Ozel Turk Koleji |
| Cuba | Tiffin Girls’ School |
| D.R. Congo | Newpark Comprehensive School |
| Denmark | Cours St Charles |
| Egypt (SC) | Shrewsbury |
| Estonia | St Joseph’s Greek French School |
| Ethiopia (SC) | Gordon’s School |
| Fiji | St Andrew’s Dublin |
| France (SC) | Terenure College |
| Germany | Beaconsfield High School |
| Ghana | St Andrew’s Dublin |
| Haiti | Beaconsfield High School |
| Hungary | Shrewsbury |
| Iceland | Cours St Charles |
| India | Wesley College, Dublin |
| Iran | Charterhouse |
| Ireland | Frankfurt International School |
| Israel | ÅS Videregaende Skole |
| Italy (SC) | Santa Margarita |
| Japan (SC) | Hitachi First High School |
| Kenya | Colegio Ayalde |
| Libya | St Gerard’s School |
| Lithuania | George Cosbuc College |
| Malta | St Joseph’s Greek French School |
| Mexico | Queen’s Gate School |
| Morocco | Izmir Ozel Turk Koleji |
| Myanmar | Terenure College |
| Nauru (icj) | Royal Russell |
| Netherlands | Colegio Ayalde |
| North Korea | Royal Russell |
| Norway | High School |
| Pakistan | American School in London |
| Peru | Jerusalem School Bethlehem |
| Philippines | Habs Boys |
| Poland | Habs Boys |
| Portugal | Frankfurt International School |
| Romania | St Joseph’s Greek French School |
| Russia (SC) | Cheadle Hulme |
| Rwanda | Charterhouse |
| Saudi Arabia | ÅS Videregaende Skole |
| Senegal (SC) | Queen’s Gate School |
| Singapore | Munabe |
| Slovenia | Terenure College |
| South Africa | Royal Russell |
| South Korea | Tiffin Girls’ School |
| Spain | High School |
| Sri Lanka | Santa Margarita |
| Sweden (SC) | Reigate Grammar |
| Switzerland | Frankfurt International School |
| Syria | St Andrew’s Dublin |
| Tanzania | St Andrew’s Dublin |
| Thailand | St Joseph’s Greek French School |
| Togo | High School |
| UK (SC) | St Andrew’s Dublin |
| Ukraine (SC) | Benenden |
| Uruguay (SC) | American School in London |
| USA (SC) | Royal Russell |
| Uzbekistan | Habs Boys |
| Venezuela | Frankfurt International School |
| Yemen | Bishop Thomas Grant |
| Zimbabwe | Wesley College, Dublin |
