One World International School (OWIS)

One World International School (OWIS) opened in Singapore in 2008 and has been part of Global Schools Group since 2015. Its largest campus is in Nanyang, Jurong West, opened in 2018 on a government-tendered site with sports fields, courts and outdoor play areas. The OWIS Digital Campus in Punggol opened in 2023, and a third campus at Newton, on Bukit Timah Road, opened in September 2025. The former Suntec campus closed in 2024.

Early childhood and primary pupils follow the IB Primary Years Programme. Students in Grades 6–8 take a modified Cambridge programme, followed by Cambridge IGCSE in Grades 9–10. In Grades 11–12 they choose between the IB Diploma Programme and, at the Digital Campus, Cambridge International A Levels. There is also a Chinese–English bilingual option in primary, an academic English preparation programme, and EAL support.

OWIS describes itself as a non-denominational school with students from more than 70 nationalities. For 2026–27, tuition including GST is about S$24,200 a year from early childhood to Grade 6 and about S$27,800 for Grades 7–12. Nanyang and the Digital Campus are authorised IB World Schools for the PYP and Diploma Programme. Newton is a PYP candidate school.