Council of International Schools (CIS)
- The American International School in Egypt
- International School of the Sacred Heart (Tokyo)
- The British School- Rio de Janiero
- The British School- Rio de Janiero (Botafogo site)
- American International School of Budapest
- Saint Maur International School (Yokohama)
- The English School Fahaheel
- The Codrington School (Barbados)
- The International School of Prague
- Riverside School Prague
- American Creativity Academy (Kuwait)
- St Stephen’s School
- Nishimachi International School (Tokyo)
- Seisen International School (Tokyo)
- The Alice Smith School - Secondary School
- The British School- Rio de Janiero (Barra site)
- The British School- Rio de Janeiro (Urca site)
- International School Hilversum
- International School of Geneva: La Châtaignerie Campus
- College du Leman (Geneva)
- Aiglon College (Chesières-Villars)
- St. Julian's School (Lisbon)
- Awty International School
- International School of Amsterdam
- Brillantmont International School
- International School of Geneva: Campus des Nations
- The Berlin British School
- Northside Primary School (Gaborone)
- International School of Kenya
- The British School (Delhi)
- The Dubai American Academy
- Modern English School
- Ecole Nouvelle de la Suisse Romande
- International School of Beijing (ISB)
- Brookhouse International School (Kenya)
- The North London International School (formerly Woodside Park)
- St. Dominic’s International School, Portugal
- Hong Lok Yuen International School (Kowloon)
- International School of Nice
- International School of Geneva (Ecolint)
- International School of Geneva (La Grande Boissière Campus)
- Tokyo International School (TIS)
- St. Mary's International School (Tokyo)
- The Alice Smith School - Primary School
- The American School in London
- Yokohama International School
- International School of Lausanne
- St. George's British International School, Rome
- New Cairo British International School (NCBIS)
- Arnhem International School (Secondary Department): Lorentz Lyceum
- St. George's School
- Westwood International School (Gaborone)
- TASIS - The American School in England
- Carlucci American International School of Lisbon
- The International School, Ho Chi Minh City