The Raffles Mathematical Olympiad (RMO), previously Raffles Institution Primary Mathematics World Contest (RIPMWC), is an annual mathematics event organised by Raffles Institution. As one of the most prestigious mathematics contest in Singapore, RMO aims to promote interest in Mathematics and develop problem-solving ability through a friendly Mathematics contest for primary students.


RMO compromises two categories – Junior Category for Primary 5 pupils and Open Category for Primary 6 pupils. Registration of pupils is through their respective MoE Primary Schools. Only school teachers can register students for the contest. No individual registration is allowed.


There are two rounds in the contest.

  1. Round 1 of the contest will be conducted online in the respective Primary School premises.
  2. Round 2, a written contest will be held in Raffles Institution.
  3. Only the top 2% of (about) top 40 pupils whichever is lower from the Junior Category and the top 3% or (about) top 60 pupils whichever is lower from the Open Category from Round 1 will be invited for Round 2.

Contest Date:

The contest is usually held in March every year.


Results Up to Now

HD 50+
D 100+


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