American School in London Canada
American School in London Israel
American School in London Morocco
American School in London Nigeria (SC)
American School in London Somalia
Ås videregående skole Poland
Ås videregående skole Ukraine
Benenden Australia (SC)
Blackrock College Qatar
Blackrock College Estonia
Cheadle Hulme Ecuador
Cheadle Hulme USA (*SC)
Cheadle Hulme Viet Nam
Colegio Ayalde New Zealand
Cours St Charles Germany
Exeter India
Exeter Russian Federation (*SC)
Frankfurt International Congo (Dem Rep)
Frankfurt International Korea (Rep) – South (SC)
Frankfurt International Philippines
Frankfurt International Portugual
Frankfurt International Sri Lanka
Habs Boys Egypt
Habs Boys Jordan (SC)
Habs Boys South Sudan
Habs Boys Syria
Habs Boys Thailand
Habs Girls Greece
Hailebury Singapore
High School, Dublin Argentina (SC)
High School, Dublin Ghana
High School, Dublin Yemen
Hitachi First High School Japan
Impington Village Finland
International School of Helsinki Norway
International School of Helsinki Rwanda (SC)
International School of Verona Brazil
International School of Verona Indonesia
John Warner Algeria
John Warner Hungary
John Warner Paraguay
Langley Park Boys N/A
Rathdown Cuba
Rathdown Ethiopia
Rathdown Pakistan
Rathdown Uganda
RRS Bangladesh
RRS Bolivia  (and party to the ICJ case)
RRS Malaysia
RRS Iran
RRS Lithuania (SC)
RRS Zimbabwe
Santa Margarita Ireland
Santa Margarita Mexico
Santa Margarita UAE
Santa Margarita United Kingdom (*SC)
Shrewsbury Cambodia
Shrewsbury China (*SC)
Shrewsbury Peru
St Andrew’s, Dublin Afghanistan
St Andrew’s, Dublin Chile (SC) (and party to the ICJ case)
St Andrew’s, Dublin Georgia
St Andrew’s, Dublin Lebanon
St Andrew’s, Dublin Nicaragua
St Andrew’s, Dublin South Africa
St Andrew’s, Dublin Sudan
St Edmund’s College, Ware Chad (SC)
St Edmund’s College, Ware Korea (Dem Rep) – North
St Gerards Netherlands
St Joseph’s Greek Armenia
St Joseph’s Greek Azerbaijan
St Joseph’s Greek France (*SC)
St Joseph’s Greek Romania
St Joseph’s Greek Serbia
Terenure Haiti
Terenure Botswana
Terenure Iraq
Terenure Luxembourg (SC)
Terenure Spain
Trinity Saudi Arabia
Westminster Croatia
Westminster Denmark
Westminster Kenya