Canadian Mathematical Olympiad

Catalog organization: Canadian Mathematical Society

Compiled by: ExtracurricularHub Editorial Team — editorial policy

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What Is Canadian Mathematical Olympiad?

The Canadian Mathematical Olympiad is the Canadian Mathematical Society's advanced, invitation-only proof competition. Official participants write the same three-hour paper at the same time under supervision arranged by their school. It is not a public form that students can directly submit. Strong results in the Canadian Open Mathematics Challenge are the principal invitation route. Specified provincial results and invited Canadian EGMO or APMO team members provide alternate routes under CMS rules. The former CMO Qualifying Repechage is marked discontinued in the current CMS competition listing and is not an available entry route; confirm the current qualifying thresholds and invitation procedures.

Participants must satisfy Canada's International Mathematical Olympiad representation rules, remain full-time secondary-or-earlier students without secondary graduation or postsecondary enrollment, and be under age 20 on June 30 of the competition year. These rules are not equivalent to a simple grades 9-12 restriction. Normally about 75-100 students receive CMO invitations. The CMS lists normal CMO prizes of CAD 2,000 for Gold with decreasing Silver, Bronze, and Honourable Mention amounts. Strong results can feed Canada's IMO team-selection process but do not guarantee a team place.

Canadian Mathematical Olympiad Key Facts: Cost, Deadline, and Eligibility

Key facts about Canadian Mathematical Olympiad
FormatIn person
EligibilityUp to age 19
Application deadlineDates not announced
Listing last updatedAugust 30, 2026

Program details shown here reflect the current catalog record.

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