Argentina

• Asociacion Escuelas Lincoln

Austria

• American International School of Vienna

Bolivia

• American Cooperative School
• American International School of Bolivia
• Cochabamba Cooperative School
• Santa Cruz Cooperative School

Brazil

• Associação Escola Graduada de São Paulo
• The British School of Rio de Janeiro
• American School of Belo Horizonte
• American School of Brasilia
• American School of Campinas
• American School of Recife
• American School of Rio de Janeiro
• Escola Maria Imaculada
• International School of Curitiba
• Our Lady of Mercy, Rio de Janeiro
• Pan American School of Porto Alegre
• Pan American Christian Academy
• Pan American School of Bahia

Chile

• International School of Nido de Aguilas
• Santiago College
• Colombia Colegio Karl C. Parrish
• Colegio Nueva Granada
• Ecuador Alliance Academy
• American School of Quito
• Academia Cotopaxi
• Inter-American Academy of Guayaquil

Ethiopia

• Bingham Academy

Finland

• International School of Helsinki
• Turku International School

France

• American School of Paris
• International School of Lyon
• International School of Paris
• Strasbourg International School
• The International School of Nice

Guyana

• Georgetown American School

Hong Kong

• American International School
• Australian Internationl School
• Califonia International School
• Canadian International School
• Carmel School of Hong Kong
• Concordia International School
• Chinese International School
• Schools of the English Schools Foundation
  • Beacon Hill School
  • Bradbury Junior School
  • Island School
  • King George V School
  • Sha Tin College
  • South Island School
  • Quarry Bay School
  • West Island School
• French International School
• German Swiss International School
• Hong Kong International School
• Hong Kong Japanese School
• Hong Lok Yuen International School
• International Christian School
• Korean International School
• Leafy International Kindergarten
• Li Po Chun United World College
• Norwegian International School
• Parkview International Pre-school
• Sear Rogers International School, Hong Kong Island
• Singapore International School
• Woodland Pre-schools
• Yew Chung International School

Hungary

• American International School of Budapest
• International School of Budapest
• International Christian School of Budapest

Indonesia

• Jakarta International School
• North Jakarta International School

Israel

• Anglican International School, Jerusalem
• Walworth Barbour American International School

Japan

• St. Mary's International School

Kenya

• International School of Kenya
• Mombasa International School
• Kisumu International School

Lesotho

• National University of Lesotho International School

Luxembourg

• International School of Luxembourg

Mozambique

• American International School of Mozambique
• Maputo International School

Netherlands Antilles

• International School of Curacao

Nicaragua

• American-Nicaraguan School

Oman

• American British Academy

Paraguay

• American School of Asuncion

Peru

• Colegio Franklin D. Roosevelt

Philippines

• International School Manila

Qatar

• Al Jazeera Academy
• Doha English Speaking School

Romania

• American International School of Bucharest
• British School of Bucharest
• Cernavoda International School
• International School of Bucharest

Serbia and Montenegro

• Anglo-American High School of Belgrade
• International School of Belgrade

Singapore

• Australian International School Singapore
• Bhavan's Indian International School Singapore
• British Council Nursery School
• Canadian International School (Singapore)
• Chatsworth International School
• Dover Court Preparatory School
• DPS International School Singapore
• Eton House International Primary School and Preschool
• French School of Singapore
• Germen European School Singapore
• Hollandse School
• International Community School, Singapore
• International School Singapore
• Overseas Family School
• Singapore American School
• Singapore Indonesian School
• Singapore Japanese School
• Swiss School Singapore
• Tanglin Trust School
• United World College of South East Asia

Switzerland

• International School of Geneva

Republic of China (Taiwan)

• Dominican International School
• Morrison Academic
• Taipei American School

Thailand

• International School Bangkok

Trinidad and Tobago

• International School Port of Spain

Turks and Caicos Islands

• The Ashcroft School

United States

• International Community School
• International School, Bellevue
• United Nations International School
• Washington International School

Uruguay

• Uruguayan American School

Venezuela

• Colegio Internacional de Carabobo
• Colegio Internacional de Caracas
• Colegio Internacional Puerto La Cruz
• Anzoategui International School
• Escuela Bella Vista
• Escuela Campo Alegre
• International School of Monagas

Yemen

• Sanaa International School

Zimbabwe

• Harare International School