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