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Applications open for the next cohort

Discover the beauty of mathematics.

The Online Math Club is a student-run program preparing students for mathematical olympiads — taught by IMO and EGMO medalists, INMO awardees, and a community that genuinely loves the craft.

Apply for the cohortBrowse the Math Vault

What you'll learn

The four pillars of olympiad math

Every lecture in the Math Vault maps to one of these. Browse by topic, watch a lecture, and work through the problems.

Algebra

Polynomials, inequalities, functional equations.

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Geometry

Angle chasing, power of a point, projective ideas.

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Combinatorics

Counting, graphs, games, the pigeonhole principle.

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Number Theory

Modular arithmetic, primes, Diophantine equations.

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How it works

Three steps. One community.

  1. 1

    Apply

    Submit a short application telling us about your background and interests.

  2. 2

    Join the cohort

    Get matched into a small group with peers at your level. Hop into our Discord.

  3. 3

    Learn & solve

    Attend live lectures, work through problem sets, and grow with a community of olympiad-driven students.

Take a look, then come join

Browse the Math Vault to see what we do — and apply when you're ready. Everyone's welcome.

Preview

Browse the Math Vault

Every recorded lecture we've run, sorted by subject and topic — algebra, geometry, combinatorics, number theory. A good way to get a sense of OMC before applying.

Open Math Vault

Join us

Apply to OMC

Free, and open to anyone who wants in. You'll get the Discord, the full archive of problem sets and PDFs, and access to live olympiad classes.

Open application