Schools participating in the ISA can obtain a certificate of participation upon request to isa@acer.edu.au
See World Map showing locations of ISA 2010-11 participating schools
ISA 2010-11 Participating Schools List
ISA 2011-12
Over 27 000 students from 118 schools participated in ISA October 2011. 115 of those schools have given permission for their school's name to be published by ACER for information, general reporting, and/or publicity purposes.
| School Name | Country |
| ACS Egham International School | UNITED KINGDOM |
| American International School of Bucharest | ROMANIA |
| American International School of Rotterdam | NETHERLANDS |
| American School of Barcelona | SPAIN |
| American School of Bilbao | SPAIN |
| American School of Grenoble | FRANCE |
| American School of Marrakesh | MOROCCO |
| American School of the Hague | NETHERLANDS |
| Antwerp International School | BELGIUM |
| Bandung International School | INDONESIA |
| Bavarian International School | GERMANY |
| Beacon Academy | INDONESIA |
| Bilkent Laboratory & International School | TURKEY |
| Bishop Mackenzie International School | MALAWI |
| Bonn International School e.V. | GERMANY |
| Cairo English School | EGYPT |
| Canadian International School | JAPAN |
| Danube International School Vienna | AUSTRIA |
| Discovery College | HONG KONG SAR |
| DPS International | INDIA |
| E.S.C.O.L.A. | ANGOLA |
| Ecole Yenzi | GABON |
| Emirates International School - Jumeirah | UNITED ARAB EMIRATES |
| Emirates International School - Meadows | UNITED ARAB EMIRATES |
| Franconian International School | GERMANY |
| Frankfurt International School | GERMANY |
| Fukuoka International School | JAPAN |
| Gyeonggi Suwon International School | SOUTH KOREA |
| HBESC - RUMUKOROSHE Shell School | NIGERIA |
| Hong Kong Academy | HONG KONG SAR |
| Hope International School | CAMBODIA |
| Hyundai Foreign School | SOUTH KOREA |
| Inter-Community School Zurich | SWITZERLAND |
| International College Spain | SPAIN |
| International Community School of Addis Ababa | ETHIOPIA |
| International School Bangkok | THAILAND |
| International School Hamburg e.V. | GERMANY |
| International School Hannover Region | GERMANY |
| International School Ho Chi Minh City, International Education Corporation | VIETNAM |
| International School Ho Chi Minh City, International Education Corporation (Bilingual School) | VIETNAM |
| International School Nadi | FIJI |
| International School of Ahafo | GHANA |
| International School of Beijing | CHINA |
| International School of Berne | SWITZERLAND |
| International School of Bremen | GERMANY |
| International School of Havana | CUBA |
| International School of Helsinki | FINLAND |
| International School of Kenya | KENYA |
| International School of Kuala Lumpur | MALAYSIA |
| International School of Latvia | LATVIA |
| International School of Lausanne | SWITZERLAND |
| International School of Luxembourg | LUXEMBOURG |
| International School of Milan | ITALY |
| International School of Myanmar | MYANMAR |
| International School of Phnom Penh | CAMBODIA |
| International School of Stuttgart | GERMANY |
| International School of Tanganyika | TANZANIA |
| International School of The Hague | NETHERLANDS |
| International School of Zug and Luzern | SWITZERLAND |
| International School Suva | FIJI |
| Jakarta International School | INDONESIA |
| Jumeira Baccalaureate School | UNITED ARAB EMIRATES |
| K. International School Tokyo | JAPAN |
| Kidurong International School | MALAYSIA |
| Kingston International School | HONG KONG SAR |
| Kwanza International School | TANZANIA |
| Kyoto International School | JAPAN |
| Marymount International School, London | UNITED KINGDOM |
| Munich International School | GERMANY |
| Nagoya International School | JAPAN |
| Nanjing International School | CHINA |
| New Cairo British International School | EGYPT |
| New International School of Thailand | THAILAND |
| Ningbo International School | CHINA |
| NLNG School | NIGERIA |
| NSWE International School | CHINA |
| Oberoi International School | INDIA |
| Okinawa International School | JAPAN |
| Osaka International School | JAPAN |
| Panaga Shell School | NEGARA BRUNEI DARULLSALAM |
| PDO School | SULTANATE OF OMAN |
| Rainbow Bridge International School | CHINA |
| Ruamrudee International School | THAILAND |
| Sakhalin International School | RUSSIAN FEDERATION |
| Santiago College | CHILE |
| Seashell Primary School | SULTANATE OF OMAN |
| Sekolah Buin Batu | INDONESIA |
| Sekolah Pelita Harapan International | INDONESIA |
| Seoul International School | SOUTH KOREA |
| Shekou International School | CHINA |
| Southbank International School (Hampstead Campus) | UNITED KINGDOM |
| Southbank International School (Kensington Campus) | UNITED KINGDOM |
| Southbank International School (Westminster) | UNITED KINGDOM |
| St John's International School | BELGIUM |
| St. Mary's International School | JAPAN |
| Taihu International School | CHINA |
| Tamagawa Academy K-12 & University | JAPAN |
| Tashkent International School | UZBEKISTAN |
| Teda International School | CHINA |
| The Aga Khan Academy, Mombasa | KENYA |
| The British School of Brussels | BELGIUM |
| The Ela Murray International School | PAPUA NEW GUINEA |
| The International School of Azerbaijan | AZERBAIJAN |
| The International School of Stavanger | NORWAY |
| The North London International School | UNITED KINGDOM |
| The Overseas School of Colombo | SRI LANKA |
| Tohoku International School | JAPAN |
| Tokyo International School | JAPAN |
| Vienna International School | AUSTRIA |
| Western Academy of Beijing | CHINA |
| Westwood International School | BOTSWANA |
| Wuhan Yangtze International School | CHINA |
| Xiamen International School | CHINA |
| Yew Chung International Primary School | HONG KONG SAR |
| Yew Chung International School of Beijing | CHINA |


