The Overseas School of Colombo (OSC) is a IB Primary Years Programme / IB Middle Years Programme / IB Diploma Programme / IB school in Colombo, Sri Lanka.
Location & Getting There
NanaSays Scorecard
Boarding Available
Key Details
Curricula Offered
IB Primary Years ProgrammeYes
IB Middle Years ProgrammeYes
IB Diploma ProgrammeYes
IBYes
Accreditations
IB
Languages of Instruction
English
Key facts
About
The Overseas School of Colombo (OSC) is a private, coeducational day school in Sri Lanka authorized by the International Baccalaureate since 1983. The school offers the IB Primary Years Programme, Middle Years Programme, and Diploma Programme with English as the language of instruction. OSC serves students aged 3 to 19 and maintains a strong commitment to the IB learner profile and educational excellence.
School data verified by NanaSays. Last updated: April 2026.
School Background
Governance & Ownership
private
Frequently Asked Questions
Contact the admissions office at The Overseas School of Colombo (OSC) directly for current fee information.