ACS (International), Singapore

Anglo-Chinese School (Independent)

Australian International School Pte Ltd

Canadian International School, Lakeside Campus

Canadian International School, Tanjong Katong Campus

Chatsworth International School - East Campus

Chatsworth International School, Singapore

Dover Court International School

Dulwich College Singapore

EtonHouse International Pre-School

EtonHouse International Research Pre-School

EtonHouse International School

EtonHouse Preschool – Newton Road

GEMS World Academy (Singapore)

German European School Singapore

German European School Singapore

Global Indian International School

Hillside World Academy

Hwa Chong International School

ISS International School Singapore

NPS International School

Nexus International School (Singapore)

Odyssey, The Global Preschool Pte ltd

One World International School

Overseas Family School

School of the Arts, Singapore

Singapore Sports School

St. Joseph's Institution

St. Joseph's Institution International

Stamford American International School

Tanglin Trust School

The Little Skool-House International Pte Ltd

United World College of S E Asia, Dover

United World College of South East Asia East Campus
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Source: http://www.ibo.org/[/size]