Albania

• Tirana International School

Aruba

• International School of Aruba

Argentina

• Asociación Escuelas Lincoln
• Buenos Aires International Christian Academy (BAICA)

Australia

• Glenunga International High School
• Kardinia International College
• The Kilmore International School
• The Kooralbyn International School
• St Paul's Grammar School
• Carey Baptist Grammar School

Austria

• American International School-Salzburg
• American International School of Vienna
• Danube International School
• Linz International School Auhof (LISA)
• Vienna Christian School
• Vienna International School
• Graz International Bilingual School
• St. Gilgen International School

Azerbaijan

• The International School of Azerbaijan

The Bahamas

• Lucaya International School
• Lyford Cay International School
• Saint Andrew's School

Bangladesh

• American International School of Dhaka
• Oxford International School, Dhaka
• International Turkish Hope School, Dhaka
• Aga Khan School, Dhaka

Belgium

• Antwerp International School
• British International School of Brussels
• Brussels American School
• British School of Brussels
• International School of Brussels
• St. John's International School
• World International School

Bolivia

• Cochabamba Cooperative School

Brazil

• Associação Escola Graduada de São Paulo
• American School of Brasília or Escola Americana de Brasília (EAB)
• American School of Recife
• American School of Rio de Janeiro
• International School of Curitiba
• Pan American Christian Academy
• School of the Nations (Bahá'í - Brazil)

Brunei

• International School Brunei
• Jerudong International School

Bulgaria

• American College of Sofia

Cameroon

• American School of Yaounde

Canada

• York School (Toronto)
• Appleby College
• Collège International Marie de France
• Toronto French School
• Columbia International College - Canada's largest private boarding school
• Lester B. Pearson College
• Bishop's College School
• Stanstead College (Stanstead, Quebec)
• Calgary French And International School
• Nancy Campbell Collegiate Institute
• Lycée Français de Toronto
• Sedbergh School

Chile

• International School Nido de Aguilas
• Santiago College

Côte d'Ivoire

• International Christian Academy (Côte d'Ivoire)

China

• American International School of Guangzhou
• British International School Shanghai
• Etonkids International Kindergarten
• Hangzhou International School
• Shanghai Community International School
• Dulwich College Suzhou
• The British School of Nanjing
• Nanjing International School
• Western International School of Shanghai
• Yew Chung International School of Shanghai
• Shanghai American School
• Concordia International School Shanghai
• Shanghai High School International Division
• International School of Beijing
• Western Academy of Beijing
• Beijing BISS International School
• Dulwich College Beijing
• Yew Chung International School of Beijing
• The British School of Beijing
• Beijing City International School
• Tianjin REGO International School
• Dalian Maple Leaf International School
• The British School of Guangzhou
• Suzhou Singapore International School
• Access International Academy Ningbo
• Shekou International School
• Xiamen International School
• Utahloy International School of Guangzhou
• Manila Xiamen International School
• Kunming International Academy
• Shenyang International School
• Saint Paul American School, Beijing
• Qingdao MTI International School
• French School of Shanghai

Colombia

• Colegio Nueva Granada
• Marymount International School Barranquilla

Costa Rica

• Costa Rica Country Day School
• United World College of Costa Rica
• Colegio Alemán Alexander von Humboldt
• British School of Costa Rica
• European School of Costa Rica

Croatia

• American International School of Zagreb

Cuba

• International School of Havana

Curaçao

• International School of Curaçao

Czech Republic

• 1st International School of Ostrava
• Riverside School, Prague
• International School of Prague
• Townshend International School

Denmark

• Copenhagen International School

Dominican Republic

• Santiago Christian School

Ecuador

• Alliance Academy International
• Colegio Americano de Quito
• Academia Cotopaxi

Egypt

• Deutsche Evangelische Oberschule
• British International School in Cairo (BISC)
• Cairo American College
• The American International School in Egypt

Ethiopia

• International Community School Ethiopia
• One Planet International School

Finland

• International School of Helsinki (private)
• Oulu International School (municipal)
• Turku International School (municipal)
• Ressu Comprehensive School (municipal)

France

• American School of Paris
• Lycée International de Saint Germain-en-Laye
• Bordeaux International School
• British School of Paris
• Mougins School
• Cité Scolaire Internationale de Lyon
• International Bilingual School of Provence
• International School of Paris
• International School of Toulouse
• Lycée International de Saint Germain-en-Laye
• Cité Scolaire Internationale de Grenoble

Germany

• Berlin Cosmopolitan School (BIS)
• St. George's School, Cologne
• Black Forest Academy
• John F. Kennedy School, Berlin
• Bonn International School
• International School of Hamburg
• Munich International School
• Bavarian International School (BIS)
• Frankfurt International School
• International School of Düsseldorf
• Berlin Brandenburg International School (BBIS)
• International School Hannover Region
• Internationale Schule Frankfurt Rhein-Main
• Heidelberg International School (HIS)

Georgia

• QSI International School of Tbilisi
• International School of Georgia

Ghana

• American International School of Accra
• Galaxy International School, Accra
• Lincoln Community School

Greece

• Canadian Lyceum of Greece
• American Community Schools
• German School of Athens
• Campion School (Athens)
• St. Catherine's British Embassy School
• St Lawrence College, Athens

Honduras

• Escuela Internacional Sampedrana
• American School of Tegucigalpa
• Albert Einstein International School of San Pedro Sula
• Mazapan School
• Del Campo International School

Hong Kong

• American International School Hong Kong
• Australian International School Hong Kong
• Canadian International School of Hong Kong
• Chinese International School
• Schools of the English Schools Foundation
  • Beacon Hill School, Hong Kong
  • Island School
  • King George V School
  • Sha Tin College
  • South Island School
  • Quarry Bay School
  • Renaissance College, Hong Kong
  • West Island School
• German Swiss International School
• Hong Kong International School
• Hong Kong Adventist Academy
• Island Children's Montessori School
• International Christian School (Hong Kong)
• Korean International School of Hong Kong
• Li Po Chun United World College
• Lycée Français International
• Norwegian International School
• Singapore International School
• Yew Chung International School of Hong Kong

Hungary

• American International School of Budapest
• Thomas Mann Gymnasium / Deutsche Schule Budapest

India

• American Embassy School, New Delhi
• American School of Bombay, Mumbai
• Bangalore International School, Bangalore
• Dhirubhai Ambani International School, Mumbai
• École Mondiale World School,Mumbai
• Hebron School, Ooty
• Indus International School, Bangalore
• International School Of Hyderabad
• Kodaikanal International School Kodaikanal
• Mallya Aditi International School, Bangalore
• Oberoi International School, Mumbai
• Parkwood School International, Hyderabad
• Rajkumar College, Rajkot
• Ryan International School, Malad, Mumbai
• Stonehill International School, Bangalore,
• Symbiosis International School
• The British School, Panchkula
• The Cambridge School, Kolkata
• The International School Bangalore
• Mahindra United World College of India, Pune
• The Shri Ram School,Gurgaon
• TREAMIS World School, Bangalore

Indonesia

Jakarta

• Australian International School
• British International School
• Jakarta International Korean School
• Jakarta International School
• North Jakarta International School
• Raffles International Christian School
• Singapore International School

Other Locations in Indonesia

• Gandhi Memorial International School
• Hillcrest International School
• Manado International School
• Mountainview International Christian School
• Sekolah Tunas Bangsa
• Surabaya International School
• Wesley International School, Malang

Ireland

• St. Andrew's College (Ireland)

Italy

• St. Stephen's International School
• International School of Milan
• Naples American High School
• International School of Florence
• American School of Milan
• Marymount International School of Rome
• United World College of the Adriatic

Japan

• Tokyo
  • Aoba - Japan International School
  • American School in Japan
  • Christian Academy in Japan
  • Gyosei International School
  • International School of the Sacred Heart
  • KAIS International School
  • Nishimachi International School
  • Tokyo International School
  • St. Mary's International School
  • Seisen International School

• Yokohama
  • Horizon Japan International School
  • Saint Maur International School
  • Yokohama International School

• Osaka
  • Osaka International School

• Kobe
  • Canadian Academy
  • Marist Brothers International School

Jordan

• American Community School in Amman

Kazakhstan

• Kazakhstan International School Almaty (KIS)
• Miras International School, Almaty

Kenya

• Braeburn Schools
• Aga Khan Academy, Mombasa
• Aga Khan Academy, Nairobi
• Aga Khan Junior Academy, Nairobi
• Brookhouse School
• Hillcrest School (Nairobi, Kenya)
• International School of Kenya
• Rift Valley Academy
• Mombasa Academy
• Peponi School

Korea

• Busan Foreign School
• Japanese School in Seoul
• Seoul Foreign School
• Seoul International School
• Rainbow International School, Seoul
• Korea International School
• Seoul American High School
• Seoul Foreign School
• Indianhead International School

Kuwait

• American School of Kuwait
• The British School of Kuwait
• Kuwait English School
• New English School
• Gulf English School
• Kuwait National English School
• American International School of Kuwait

Laos

• Vientiane International School

Latvia

• International School of Latvia

Lebanon

• Sagesse High School
• ACS Beirut
• International College
• International School of Choueifat

Lesotho

• National University of Lesotho International School

Libya

• Benghazi European School

Luxembourg

• International School of Luxembourg (ISL, formally American International School of Luxembourg)

Macau

• School of the Nations (Bahá'í - Macau)

Malaysia

• British School of Kuala Lumpur (BSKL)
• Alice Smith School (KLASS)
• Dalat International School
• Australian International School, Malaysia
• Garden International School (GIS)
• International School of Kuala Lumpur (ISKL)
• Sayfol International School
• elc International school
• Uplands International School of Penang
• Global Indian International School

Mauritius

• Le Bocage International School

Mexico

• Edron Academy
• Lycée Franco-Mexicain, Mexico City
• Greengates School, Mexico City
• The American School Foundation of Guadalajara
• Colegio Alemán Alexander von Humboldt, Mexico City
• Liceo Mexicano Japones, Japanese school of Mexico
• ASF Mexico, Mexico City
• American School Foundation of Monterrey
• Prepa Tec
• Colegio Americano de Puebla
• John F. Kennedy School, The American School of Querétaro

Mongolia

• International School of Ulaanbaatar

Morocco

• The American School of Tangier
• Casablanca American School
• George Washington Academy
• Rabat American School
• Tangier Anglo-Moroccan School

Myanmar

• International School Yangon (ISY)
• Myanmar International Educational Services (MIES)
• Yangon International Educare Center (YIEC)

Nepal

• Budhanilkantha School

Netherlands

• Rotterdam International Secondary School Blijdorp, Rotterdam.
• American School of The Hague The Hague
• British School of Amsterdam
• Europese School Bergen
• International School of The Hague (Den Haag)
• International Secondary School Eindhoven
• International School Amsterdam
• International School Groningen
• The British School in the Netherlands

New Zealand

• ACG Senior College
• ACG Strathallan Preschool, School and College
• ACG Parnell College / Parnell Primary School
• Kristin School
• Diocesan School for Girls

Nicaragua

• American Nicaraguan School
• Lincoln International Academy
• Nicaragua Christian Academy

Niger

• Sahel Academy

Nigeria

• Hillcrest School (Jos, Nigeria)
• International School Lagos
• International School Ibadan

Norway

• International School of Bergen
• Birralee International School Trondheim
• Oslo International School
• British International School of Stavanger
• Red Cross Nordic United World College

Oman

• British School - Muscat
• American British Academy
• The Sultan's School

Pakistan

• International School of Islamabad
• International School of Choueifat
• Lahore American School
• Karachi American School
• Beaconhouse School System

Panama

• Balboa Academy
• Crossroads Christian Academy

Paraguay

• American School of Asuncion
• Asunción Christian Academy

Peru

• Colegio Franklin Delano Roosevelt, The American School of Lima
• Markham College
• Cambridge College
• Newton College (Peru)
• San Silvestre School

Philippines

• International School Manila
• Brent International School
• British School Manila
• Cebu International School
• German School of Manila
• Mahatma Gandhi International School
• Reedley International School
• Southville International School and Colleges

Poland

• British International School of Cracow

Portugal

• Carlucci American International School of Lisbon
• Escola Internacional São Lourenço
• Oporto British School
• Saint Julian's School
• Vale Verde International School
• Vilamoura International School

Qatar

• Al Jazeera Academy
• American School of Doha
• Compass International School
• Doha College
• Dukhan English School
• Gulf English School
• International School of Choueifat
• M.E.S Indian school
• Qatar Academy
• Philippine School Doha
• The Cambridge School, Doha, Qatar

Romania

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

Russia

• Anglo-American School of Moscow
• Anglo-American School of St. Petersburg
• British International School (Moscow)
• International Academy of St. Petersburg, Russia

Saudi Arabia

• Al Wadi International School Jeddah
• British International School, Riyadh
• International Indian School Jeddah
• International Indian School, Dammam
• International Indian School, Riyadh
• Jubail Academy International School
• King Saud International School (KSIS), Riyadh
• Pakistan International School, Al-Khobar
• Pakistan International School Jeddah
• Yanbu International School

Senegal

• International School of Dakar

Seychelles

• International School of Seychelles

Singapore

• Anglo-Chinese School (International) Singapore
• Australian International School Singapore (AISS)
• Avondale Grammar School Singapore (AGS)
• Canadian International School (Singapore) (CISS)
• Chatsworth International School
• DPS International School Singapore (DPSIS)
• German European School Singapore (Deutsche Europäische Schule Singapur) (GESS)
• Global Indian International School Singapore (GIIS)
• ISS International School Singapore
• Overseas Family School (OFS)
• Singapore American School (SAS)
• Stamford American International School - Opening in 2009/2010
• Tanglin Trust School (TTS)
• United World College of South East Asia (UWCSEA)

Slovakia

• Forel International School

Spain

• American School of Barcelona
• British School of Barcelona
• Europese School Alicante
• Kings College, Madrid
• Sotogrande International School
• St. Peter's School, Barcelona
• Evangelical Christian Academy (Madrid, Spain)

Sri Lanka

• Colombo International School
• Elizabeth Moir School
• Gateway College
• Overseas School of Colombo
• Asian International School, Colombo,Sri Lanka

Sudan

• Khartoum American School
• Khartoum International Community School
• Unity High School (Sudan)

Sweden

• British International Primary School Stockholm
• Sigtunaskolan Humanistiska Läroverket

Swaziland

• Waterford Kamhlaba

Switzerland

• Aiglon College
• Swiss International School Basel (SIS Basel)
• Brillantmont International School
• Collège Alpin International Beau Soleil
• Ecole Nouvelle de la Suisse Romande
• Four-Forest Bilingual International School
• International School Basel
• International School of Central Switzerland
• International School of Geneva
• International School of Zug and Luzern
• Institut Le Rosey
• Kumon Leysin Academy of Switzerland
• Kantonsschule Rämibühl

Taiwan

• Dominican International School
• Kaohsiung American School
• Morrison Academy
• National Experimental High School
• Taipei American School
• Taipei European School
• Taipei Japanese School

Tanzania

• Isamilo International School Mwanza
• International School Moshi
• Aga Khan Mzizima Secondary School, Dar es Salaam
• International School of Tanganyika
• Haven of Peace Academy

Thailand

• International School Bangkok (ISB)
• Bangkok Patana School (BPS)
• New International School of Thailand (NIST)
• Ekamai International School (EIS)
• Ramkhamhaeng Advent International School (RAIS)
• Ruamrudee International School (RIS)
• Dulwich International College, Phuket (DIC) (former)
• Thai-Chinese International School (TCIS)
• International Community School (Thailand) (ICS)
• Chiang Mai International School, Chiang Mai (CMIS)
• Grace International School, Chiang Mai (GIS)
• KIS International School (KIS)
• Thai Sikh International School (TSIS)
• SAE Institute Bangkok (SAE)
• Harrow International School (HIS)
• Nakorn Payap International School, Chiang Mai (NIS)
• American Pacific International School, Chiang Mai (APIS)
• Wells International School
• Concordian International School (CIS)

Tonga

• Ocean of Light International School

Trinidad and Tobago

• International School of Port of Spain

Tunisia

• American Cooperative School of Tunis, La Goulette

Turkey

• American Collegiate Institute
• Istanbul International Community School
• Robert College
• Deutsche Schule Istanbul
• Italyan lisesi
• Üsküdar American Academy

Ukraine

• Pechersk School International
• Kyiv International School
• Meridian International School, Kiev

United Arab Emirates

• American Community School of Abu Dhabi
• American International School, Abu Dhabi
• American School of Dubai
• Australian International School, Sharjah
• Dubai American Academy
• Dubai College
• English College Dubai
• International School of Choueifat
• Our Own English High School Sharjah
• Ras Al Khaimah English Speaking School
• The Indian High School, Dubai

United Kingdom

• Anglo European School
• Atlantic College
• ACS International Schools
• The American School in London
• Buckswood School
• European School, Culham
• Hockerill Anglo-European College, Hertfordshire
• International Community School (UK), London
• International School of Aberdeen, in Scotland
• Lycée Français Charles de Gaulle, London
• Marymount International School London
• St Clare's International School
• Southbank International School
• The American School In England

United States

• American Hebrew Academy
• Atlanta International School
• Awty International School
• British School of Houston
• British School of Washington
• College of Staten Island High School for International Studies
• Denver Montclair International School
• Dwight School
• French American International School (Portland, Oregon)
• French Immersion School of Washington
• French-American School of New York
• German School Washington, D.C. (DSW)
• International Academy
• International High School of San Francisco
• International School of Arizona
• International School of Beaverton
• International School of Boston
• International School of Indiana
• International School of the Peninsula
• Lycée Français de Los Angeles
• Lycée français de New York
• Lycée International de Los Angeles
• Mira Loma High School
• Palmer Trinity School
• South Eugene High School
• The Henderson International School
• United Nations International School
• Washington International School

Uruguay

• Uruguayan American School

Venezuela

• International Christian School (Caracas)
• Colegio Internacional de Caracas
• Escuela Bella Vista
• Escuela Campo Alegre
• International School of Monagas
• The British School, Caracas

Vietnam

• American International School of Saigon - HCMC
• International School Ho Chi Minh City
• British International School Vietnam
• Saigon South International School
• United Nations International School of Hanoi
• ACG International School, Vietnam
• Australian International School Saigon
• Lycée français Alexandre Yersin de Hanoi

Yemen

• Sana'a International School

Zambia

• Banani International Secondary School

Zimbabwe

• Harare International School