SG Primary Science Olympiad
The Singapore Primary Science Olympiad (SPSO) is an annual science competition open to Primary Five pupils. Find out about the competition aims and key dates for SPSO 2026.
Introduction
The Singapore Primary Science Olympiad (SPSO) is an annual national competition organised by the NUS High School of Mathematics and Science since 2009. This competition is open to Primary Five pupils in Singapore.
Aims of SPSO
Identify Singapore's Science representatives for the International Mathematics and Science Olympiad (IMSO)
Generate greater interest in Biology, Chemistry and Physics among Primary school pupils
Cultivate enthusiasm and instill passion for science subjects
Provide an avenue to showcase pupils' abilities in the subjects
Nurture talents in the Sciences
SPSO 2026 will consist of only the Theory Round.
SPSO 2026 Theory Round date and venue
- | Date | Venue |
|---|---|---|
Theory Round | 19 May 2026 (Tuesday) | Participants' Own Schools |
Competition Information
Register your Primary Five pupils for this science competition by 20 March 2026. Find out about the format, fees, and syllabus here.
Award
Find out how SPSO 2025 awards are given out and when to expect medals and e-certificates.
Registration
MOE primary schools can register online from 20 February to 20 March 2026. The fee is $25 nett per participant.
SPSO FAQ
Find answers to common questions about the Singapore Primary Science Olympiad (SPSO), including eligibility, registration, and results.
Sample Questions
See sample questions for the Science theory paper, covering topics from Biology and Physics to Earth Science and Chemistry.