USA Junior Mathematical Olympiad (USAJMO)
Rated Advanced, This invitation-only national olympiad requires complete proofs for six problems across two examination days near the top of the MAA pathway. Entrants qualify through AMC and AIME; detailed 2027 invitation criteria are still pending. Success requires rigorous, original arguments across algebra, combinatorics, geometry and number theory over nine hours of examination time.
Verified information
Competition details can change. Always confirm dates, eligibility and entry requirements on the official organiser's website.
Official website ↗OVERALL COMPETITION LEVEL
Advanced Level
5 evaluation dimensions have source-backed automatic scores; 1 dimensions need conflict review.
Competition overview
Key information
School level
School students invited by the MAA through the AMC/AIME pathway; detailed 2027 qualification policy pending
Registration method
Qualification Required
Competition stages
AMC 10/12, AIME, USAJMO, then possible Mathematical Olympiad Program selection
Fee
Not yet announced by the organiser
Online / in-person
In-person
Dates
Competition timeline
Registration opens
Not yet announced by the organiser
Registration closes
Not yet announced by the organiser
Competition starts
20 Mar 2027
Competition ends
21 Mar 2027
Editorial perspective
Our Take
USAJMO sits at a fascinating hinge in a young mathematician's development. Earlier contest success can sometimes be built on rapid pattern spotting and concise answers; here, an idea has no value unless it becomes an argument another mathematician can verify. That shift exposes gaps but also creates a new pleasure. A student begins to see proof not as ceremonial writing, but as the craft of making an insight dependable. The paper's reputation naturally draws attention, yet its educational importance is more interesting. Students must decide what needs justification, manage several hours of concentration and present a route through unfamiliar territory. A beautiful observation may earn little if the bridge to the conclusion is missing. Conversely, a modest idea developed carefully can become substantial work. That is a powerful correction to answer chasing. For CompeteMap, the most compelling story is intellectual maturation. The student learns to test a conjecture before trusting it, search for counterexamples, separate a diagram's suggestion from a theorem and revise prose for logical clarity. These habits belong not only to olympiad mathematics. They resemble the habits of researchers, writers and careful thinkers in any demanding field.
Read full guide →Source information
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