The Singapore Primary Science Olympiad (SPSO) is an annual national competition which has been organized by the NUS High School of Mathematics and Science since 2009.


SPSO is open for Primary 5 pupils in all primary schools in Singapore. All participants have to be registered by their primary school. No individual or private registration is allowed.


Comprises the Theory Round and the Practical Round.

  1. Theory Round: a 1 hour 15 minutes paper open for all registered participants and held at NUS High School.
  2. Practical Round: selected participants from the Theory Round will be invited to the Practical round held on a later date at NUS High School Laboratories.


Contest Date:

The Contest is usually held in July every year.



Results Up to Now

Gold 20+
Silver 50+
Bronze 30+


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