Sekolah Indonesia Singapura provides services for Kindergarten, Primary, Secondary, and Pre University students. It was founded on 20 May 1969 with a kindergarten class, and its first campus was at the Holland Hill area of Singapore. Between 1970 and 1971, the elementary and junior high schools were established, and the high school section was established in 1974. Students who studied in the school were children of the Indonesian Ambassadors and Diplomats, as well as the staff of the Indonesian Embassy. Today, the school is open to many Indonesian citizens who are based in Singapore and trust the quality education that the school provides. Its present campus is at Siglap, Singapore.