| | School Name | City | Country | Enrolment |
| The American Academy for Girls | Kuwait city | Kuwait |
830
|
| The Dwight School | New York, NY | United States |
694
|
| Anglo-American School of Moscow | Moscow | Russia |
1271
|
| Anglo-American School of Sofia | Sofia | Bulgaria |
253
|
| Academia Británica Cuscatleca | Santa Tecla | El Salvador |
1400
|
| The American Creativity Academy | | Kuwait |
2575
|
| American Cooperative School of Tunis | Tunis | Tunisia |
500
|
| Adelaide High School | Adelaide, SA | Australia |
1237
|
| Advanced Learning Schools | Riyadh | Saudi Arabia |
352
|
| Adelaide Secondary School of English | Adelaide, SA | Australia |
447
|
| American International School, Lusaka | Lusaka | Zambia |
496
|
| Aiglon College | Chesières | Switzerland |
360
|
| The American International School of Muscat | Muscat | Oman, Sultanate of |
623
|
| American International School in Abu Dhabi | Abu Dhabi | United Arab Emirates |
1110
|
| American International School of Budapest | Budapest | Hungary |
751
|
| The International School of Nice | Nice | France |
366
|
| The International School Florence | Florence | Italy |
373
|
| International School of Luxembourg | Luxembourg | Luxembourg |
910
|
| American International School Rotterdam | Rotterdam | Netherlands |
216
|
| American International School Vienna | Vienna | Austria |
790
|
| Zurich International School | Zurich | Switzerland |
1313
|
| Al-Bayan International School | Hawalli | Kuwait |
1850
|
| International School Hilversum 'Alberdingk Thijm' | Hilversum | Netherlands |
488
|
| Al Nahda International Schools | Abu Dhabi | United Arab Emirates |
4408
|
| Al Ru'ya Bilingual School | | Kuwait |
1890
|
| American International School - Chennai | Chennai (Madras) | India |
697
|
| Amman Baccalaureate School | Amman | Jordan |
977
|
| American Institute of Monterrey | Monterrey | Mexico |
1260
|
| Colegio Anglo-Colombiano | Bogotá | Colombia |
1672
|
| Annesley College | Wayville, SA | Australia |
501
|
| Antwerp British School | Antwerp | Belgium |
185
|
| Antwerp International School,vzw | Antwerp | Belgium |
540
|
| International School of Aberdeen | Aberdeen | United Kingdom |
491
|
| American International School of Bucharest | Bucharest | Romania |
699
|
| American School in London | London | United Kingdom |
1315
|
| American School of Paris | Paris | France |
813
|
| The American School In Switzerland | Lugano | Switzerland |
562
|
| Atlanta International School | Atlanta, GA | United States |
935
|
| The Awty International School | Houston, TX | United States |
1211
|
| Bangalore International School | Bangalore | India |
270
|
| Bandung International School | Bandung | Indonesia |
244
|
| Bangkok Patana School | Bangkok | Thailand |
2190
|
| Banksia Park International High School | Adelaide, SA | Australia |
620
|
| Bavarian International School | Munich | Germany |
774
|
| Beijing City International School | Beijing | China |
412
|
| Bendigo Senior Secondary College | Bendigo, Victoria | Australia |
1718
|
| Benowa State High School | Benowa, Gold Coast, Qld | Australia |
1712
|
| Benton Junior College | Mornington, Victoria | Australia |
656
|
| International School of Bergen | Bergen | Norway |
200
|
| Berlin Brandenburg International School | Berlin | Germany |
640
|
| Bonn International School e.V. | Bonn | Germany |
590
|
| American School of Bilbao | Bilbao | Spain |
337
|
| Bilkent Laboratory & International School | Ankara | Turkey |
450
|
| British International School | Jakarta | Indonesia |
1131
|
| Bishop Mackenzie International Schools | Lilongwe | Malawi |
654
|
| Oslo International School | Oslo | Norway |
605
|
| Beijing BISS International School | Beijing | China |
366
|
| British International School, Vietnam | Ho Chi Minh City | Vietnam |
1500
|
| Black Forest Academy | Kandern | Germany |
290
|
| Bordeaux International School | Bordeaux | France |
78
|
| British School of Chicago | Chicago, IL | United States |
549
|
| Brighton Primary School | Victoria | Australia |
749
|
| Brillantmont International School | Lausanne | Switzerland |
140
|
| The British School Quito | Quito | Ecuador |
262
|
| The British School, New Delhi | New Delhi | India |
596
|
| Brookhouse International School | Nairobi | Kenya |
550
|
| British School Bangkok Ltd/Topsy Turvy International School | Bangkok | Thailand |
178
|
| The British School of Brussels | Brussels | Belgium |
1280
|
| British School, Caracas | Caracas | Venezuela |
301
|
| The British School of Costa Rica | San José | Costa Rica |
908
|
| The British School, Rio de Janeiro | Rio de Janeiro | Brazil |
1733
|
| Özel Büyük Kolej | Ankara | Turkey |
979
|
| Cairns State High School | Cairns, QLD | Australia |
1424
|
| Canadian Academy | Kobe | Japan |
725
|
| Carey Baptist Grammar School | Melbourne, Victoria | Australia |
2291
|
| Caroline Springs College | Melbourne, Vic | Australia |
3010
|
| Caulfield Junior College | Melbourne | Australia |
423
|
| Cebu International School | Cebu City | Philippines |
464
|
| Cedar International School | Tortola | British Virgin Islands |
276
|
| Charles Campbell Secondary School | Paradise, SA | Australia |
1154
|
| Charter International School | Bangkok | Thailand |
115
|
| Chinese International School, Hong Kong | Hong Kong (SAR) | China |
1417
|
| Copenhagen International School | Copenhagen | Denmark |
600
|
| Cleveland District State High School | Cleveland, Qld | Australia |
1185
|
| Collège Alpin Beau Soleil | Villars-sur-Ollon | Switzerland |
185
|
| Colegio Columbia | Tampico | Mexico |
864
|
| Colegio Inglés | Monterrey | Mexico |
1736
|
| Colegio Gran Bretaña | Bogotá | Colombia |
455
|
| Collège Du Léman International School | Geneva | Switzerland |
1952
|
| Collingwood College | Victoria 3067 | Australia |
611
|
| Colegio Los Nogales | Bogotá | Colombia |
949
|
| International School of Lausanne | Lausanne | Switzerland |
610
|
| Concordian International School | Bangkok | Thailand |
420
|
| Craigslea State High School | Qld | Australia |
812
|
| Dubai American Academy | Dubai | United Arab Emirates |
2277
|
| International School Dakar | Dakar | Senegal |
355
|
| Dasman Model School | Kuwait | Kuwait |
1500
|
| Dhahran British Grammar School | Al Khobar | Saudi Arabia |
432
|
| Dulwich College Shanghai | Shanghai | China |
918
|
| Deira International School | Dubai | United Arab Emirates |
1130
|
| American International School/Dhaka | Dhaka | Bangladesh |
693
|
| International School, Dhaka | Dhaka | Bangladesh |
600
|
| Dresden International School | Dresden | Germany |
529
|
| Dubai British School | Dubai | United Arab Emirates |
950
|
| British International School, Phuket | Phuket | Thailand |
926
|
| Ecole Internationale de Boston / International School of Boston | Boston, MA | United States |
573
|
| El Gouna International School | Red Sea | Egypt |
224
|
| Escuela Campo Alegre | Caracas | Venezuela |
623
|
| Glenealy School | Hong Kong (SAR) | China |
355
|
| Eyüboğlu Schools | Istanbul | Turkey |
2161
|
| International School of Geneva - The Foundation | Geneva | Switzerland |
4060
|
| International School of Geneva – The Three Campuses | Geneva | Switzerland |
4060
|
| Bendigo South East College | Bendigo, Victoria | Australia |
1117
|
| Feyziye Mektepleri Vakfi Isik Okullari | Istanbul | Turkey |
4321
|
| Franconian International School | Erlangen | Germany |
440
|
| Frankfurt International School (FIS) / International School Wiesbaden (ISW) | Frankfurt | Germany |
1815
|
| French American International School | San Francisco, CA | United States |
945
|
| Garden International School | Kuala Lumpur | Malaysia |
2007
|
| Ghana International School | Accra | Ghana |
1174
|
| Gimnasio Fontana | Bogotá | Colombia |
851
|
| Glenunga International High School | Adelaide, SA | Australia |
1271
|
| American School of The Hague | The Hague | Netherlands |
1100
|
| Harare International School | Harare | Zimbabwe |
418
|
| Harristown State High School | Toowoomba, Qld | Australia |
1489
|
| Harrow International School | Bangkok | Thailand |
1191
|
| International School of Havana | Havana | Cuba |
230
|
| New Cairo British International School | Cairo | Egypt |
760
|
| The International School of The Hague | The Hague | Netherlands |
1190
|
| Hiroshima International School | Hiroshima | Japan |
130
|
| Hisar School | Istanbul | Turkey |
1145
|
| Hong Lok Yuen International School | Hong Kong (SAR) | China |
391
|
| International School of Hyderabad | Hyderabad | India |
266
|
| Berlin International School | Berlin | Germany |
875
|
| Prem Tinsulanonda International School | Chiang Mai | Thailand |
475
|
| International Community School, Abuja | Abuja | Nigeria |
350
|
| International College Spain | Madrid | Spain |
682
|
| The Inter-Community School Zurich | Zürich | Switzerland |
816
|
| International School of Estonia | Tallinn | Estonia |
122
|
| International School of Monterey | Monterey, CA | United States |
385
|
| Indooroopilly State High School | Indooroopilly | Australia |
918
|
| The International School of Monaco | Monte Carlo | Monaco |
405
|
| International College, Beirut | Beirut | Lebanon |
3399
|
| International Preparatory School | Mapou | Mauritius |
336
|
| International Community School of Abidjan | Abidjan | Côte D'Ivoire |
112
|
| International School of Amsterdam | Amsterdam | Netherlands |
953
|
| The International School of Azerbaijan, Baku (AIOC-TISA) | Baku | Azerbaijan |
540
|
| International School of the Basel Region (AG) | Basel | Switzerland |
1215
|
| International School of Beijing | Beijing | China |
1880
|
| International School of Belgrade | Belgrade | Serbia |
417
|
| International School of Berne | Berne | Switzerland |
270
|
| International School Brunei | Bandar Seri Begawan | Brunei Darussalam |
893
|
| International School of Brussels | Brussels | Belgium |
1476
|
| International School of the Sacred Heart | Tokyo | Japan |
600
|
| International School of Düsseldorf e.V. | Düsseldorf | Germany |
950
|
| International Secondary School Eindhoven | Eindhoven | Netherlands |
259
|
| International School Eerde | Ommen | Netherlands |
129
|
| The International School of the Gothenburg Region | Gothenburg | Sweden |
838
|
| International School Hamburg | Hamburg | Germany |
660
|
| International School of Helsinki | Helsinki | Finland |
296
|
| International School, Ho Chi Minh City | Ho Chi Minh City | Vietnam |
991
|
| Isikkent School | Izmir | Turkey |
540
|
| International School of Latvia | Jurmala | Latvia |
215
|
| International School of London | London | United Kingdom |
338
|
| The International School of Lusaka | Lusaka | Zambia |
667
|
| International School, Manila | Manila | Philippines |
1926
|
| The International School of Naples | Naples | Italy |
293
|
| International School of Paris | Paris | France |
688
|
| International School of Phnom Penh | Phnom Penh | Cambodia |
570
|
| International School of Prague | Prague | Czech Republic |
780
|
| International School of Busan | Busan | Korea, South |
251
|
| Sotogrande International School | Sotogrande | Spain |
620
|
| Stockholm International School | Stockholm | Sweden |
420
|
| Istanbul International Community School | Istanbul | Turkey |
520
|
| International School of Tanganyika | Dar es Salaam | Tanzania |
1020
|
| International School of Turin | Turin | Italy |
399
|
| Jakarta International School | Jakarta | Indonesia |
2440
|
| Aoba - Japan International School | Tokyo | Japan |
399
|
| Jeddah Knowledge School | Jeddah | Saudi Arabia |
1400
|
| St John's International School | Waterloo | Belgium |
940
|
| Kampala International School | Kampala | Uganda |
505
|
| Kambrya College | Victoria | Australia |
1585
|
| Kawana Waters State College | Kawana Waters | Australia |
1344
|
| Kedron State High School | Wooloowin , Qld | Australia |
1122
|
| Kenmore State High School | Brisbane | Australia |
1670
|
| International School of Kenya | Nairobi | Kenya |
730
|
| KIS International School | Bangkok | Thailand |
454
|
| Khalifa School | Salmiya | Kuwait |
197
|
| Khartoum American School | Khartoum | Sudan |
228
|
| Kormilda College | Darwin, Northern Territory | Australia |
1112
|
| International School of Kraków | Kraków | Poland |
160
|
| The International School of Kuala Lumpur | Kuala Lumpur | Malaysia |
1635
|
| Kuwait National English School | Kuwait | Kuwait |
598
|
| Laar & Berg | Laren | Netherlands |
829
|
| Lincoln Community School | Accra | Ghana |
580
|
| Le Bocage International School | Moka | Mauritius |
545
|
| Le Rosey | Rolle | Switzerland |
400
|
| Leysin American School | Leysin | Switzerland |
380
|
| Lincoln School | Kathmandu | Nepal |
330
|
| International School of Uganda | Kampala | Uganda |
485
|
| Luanda International School | Luanda | Angola |
389
|
| Lucaya International School | Freeport | Bahamas |
240
|
| Lusaka International Community School | Lusaka | Zambia |
423
|
| Lyford Cay International School | Nassau | Bahamas |
304
|
| Lyceum Alpinum Zuoz | Zuoz | Switzerland |
316
|
| Machabeng College/International School of Lesotho | Maseru | Lesotho |
559
|
| MIRAS International School in Almaty | Almaty | Kazakhstan |
600
|
| Malvern Primary School, Victoria | Victoria | Australia |
691
|
| The British School Manila | Manila | Philippines |
782
|
| Marryatville High School | Marryatville, SA | Australia |
1215
|
| Marymount School - Medellín | Medellin | Colombia |
835
|
| Marymount International School | London | United Kingdom |
245
|
| Marymount School | Paris | France |
434
|
| Marymount International School, Rome | Rome | Italy |
736
|
| Miras International School, Astana | Astana | Kazakhstan |
300
|
| Mercedes-Benz International School | Pune | India |
251
|
| Mercedes College | Adelaide | Australia |
1221
|
| Colegio Euroamericano de Monterrey | Monterrey | Mexico |
1301
|
| Moscow Economic School | Moscow | Russia |
698
|
| International School Moshi | Moshi/Arusha | Tanzania |
460
|
| Mountain Creek State High School | Mountain Creek, Qld | Australia |
1977
|
| Munich International School | Munich-Starnberg | Germany |
1259
|
| Nanjing International School | Nanjing | China |
458
|
| New International School of Thailand | Bangkok | Thailand |
1413
|
| Nishimachi International School | Tokyo | Japan |
442
|
| Northside School | Gaborone | Botswana |
462
|
| The Norwood Morialta High School | Magill, SA | Australia |
1427
|
| The Overseas School of Colombo | Colombo | Sri Lanka |
451
|
| Oporto British School | Oporto | Portugal |
431
|
| American Collegiate Institute/SEV Elementary School | Izmir | Turkey |
1148
|
| Özel Marmara Koleji | Istanbul | Turkey |
1511
|
| Pan-American School | Belén | Costa Rica |
672
|
| Parafield Gardens High School | SA | Australia |
758
|
| The Peak School | Hong Kong (SAR) | China |
360
|
| Pechersk School International Kyiv | Kiev | Ukraine |
400
|
| The International School of Penang (Uplands) | Penang | Malaysia |
531
|
| Carlucci American International School of Lisbon | Lisbon | Portugal |
538
|
| Presbyterian Ladies' College | Melbourne, Victoria | Australia |
1535
|
| Qatar Academy | Doha | Qatar |
1498
|
| Riverside School | Prague | Czech Republic |
340
|
| Saint Maur International School | Yokohama | Japan |
476
|
| The British International School of Jeddah | Jeddah | Saudi Arabia |
1556
|
| Salisbury East High School | Salisbury East, SA | Australia |
851
|
| Santiago College | Santiago | Chile |
1825
|
| American International School - Riyadh | Riyadh | Saudi Arabia |
1007
|
| Schutz American School | Alexandria | Egypt |
240
|
| Seaview High School | Adelaide, SA | Australia |
882
|
| Seisen International School | Tokyo | Japan |
724
|
| Sekolah Pelita Harapan Sentul City Campus | Bukit Sentul | Indonesia |
385
|
| Sekolah Pelita Harapan - Lippo Karawaci | Tangerang | Indonesia |
932
|
| Serpell Primary School | Victoria | Australia |
850
|
| Sha Tin College | Hong Kong (SAR) | China |
1206
|
| Shrewsbury International School, Bangkok | Bangkok | Thailand |
1285
|
| St Andrew's College | Dublin | Ireland |
1220
|
| St Andrew's School, The International School of The Bahamas | Nassau | Bahamas |
840
|
| The International School of Stavanger | Stavanger | Norway |
700
|
| St Dominic's International School, Portugal | Lisbon | Portugal |
677
|
| St Julian's School | Lisbon | Portugal |
1064
|
| St Mary's International School | Tokyo | Japan |
920
|
| St Michael's International School | Kobe | Japan |
160
|
| St Peter's Collegiate Girls' School | Adelaide | Australia |
518
|
| St Stephen's International School | Bangkok | Thailand |
424
|
| St Stephen's School, Rome | Rome | Italy |
232
|
| International School of Stuttgart e.V. | Stuttgart | Germany |
602
|
| Sutton Park School | Dublin | Ireland |
443
|
| Suzhou Singapore International School | Suzhou | China |
1200
|
| Tarsus American School | Tarsus | Turkey |
712
|
| Tashkent International School | Tashkent | Uzbekistan |
370
|
| TASIS The American School in England | London | United Kingdom |
750
|
| International School of Tianjin | Tianjin | China |
493
|
| Teda International School | Tianjin | China |
260
|
| Thomas Mitchell Primary School | Victoria | Australia |
659
|
| Tokyo International School | Tokyo | Japan |
352
|
| Universal American School | Dubai | United Arab Emirates |
1080
|
| International School of Ulaanbaatar | Ulaanbaatar | Mongolia |
255
|
| United Nations International School | New York, NY | United States |
1564
|
| United Nations International School of Hanoi | Hanoi | Vietnam |
830
|
| The Universal American School | | Kuwait |
1528
|
| Üsküdar SEV Elementary School | Istanbul | Turkey |
1026
|
| Üsküdar American Academy | Istanbul | Turkey |
624
|
| Vientiane International School | Vientiane | Laos |
300
|
| American International School of Vilnius | Vilnius | Lithuania |
195
|
| Vienna International School | Vienna | Austria |
1390
|
| American School of Warsaw | Warsaw | Poland |
929
|
| Werribee Secondary College | Victoria | Australia |
1353
|
| Western Academy of Beijing | Beijing | China |
1495
|
| Westwood International School | Gaborone | Botswana |
471
|
| Windhoek International School | Windhoek | Namibia |
324
|
| Washington International School | Washington, DC | United States |
890
|
| Woodcroft College | Adelaide, SA | Australia |
1460
|
| Xavier College | Melbourne, Victoria | Australia |
2104
|
| American School of Yaounde | Yaounde | Cameroon |
180
|
| Yew Chung International School of Beijing | Beijing | China |
758
|
| Yew Chung International School of Shanghai | Shanghai | China |
1973
|
| Yokohama International School | Yokohama | Japan |
730
|
| The Sheikh Zayed Private Academy for Girls | Abu Dhabi | United Arab Emirates |
377
|
