National Mathematical Olympiad of Singapore (NMOS)

The National Mathematical Olympiad of Singapore (NMO∑) is a written mathematics competition for primary school students organised by NUS High School in partnership with the Singapore Mathematical Society. The 2026 edition is a single 90-minute paper of 35 questions held at participating schools on 14 July 2026. Schools register participants and a registration fee applies.

Awards/prizes and publication of results

Primary 5 students only; registration must be made through the student's primary school and individual registration is not allowed.

Schools register participants during the registration window (2026-02-20 to 2026-03-20); no individual registration permitted.