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MATHEMATICSIRELAND✓ VERIFIED · LAST CHECKED 16 FEB 2026

Irish Mathematical Olympiad Round 1

An Irish mathematics competition where students solve creative, non-routine problems to qualify for the national olympiad round. Open mainly to 3rd–5th Year secondary-school students through participating schools across Ireland. Rated Advanced Level, with difficulty mainly coming from unfamiliar problem-solving, logical reasoning and selective progression to the Irish Mathematical Olympiad final.

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

3 evaluation dimensions have source-backed automatic scores; 0 dimensions need conflict review.

01

Competition overview

Key information

Eligible ages

12–19

School level

Second level schools in Ireland

Registration method

School Only

Competition stages

Round 1

Fee

Not yet announced by the organiser

Online / in-person

In-person

02

Dates

Competition timeline

Registration opens

Not yet announced by the organiser

Registration closes

Not yet announced by the organiser

Competition starts

14 Sept 2026

Competition ends

18 Sept 2026

03

Editorial perspective

Our Take

Irish Mathematical Olympiad Round 1 is one of the clearest entry points into serious senior Olympiad mathematics in Ireland. It is a school-based paper for eligible second-level students, and its role is to expose students to problems that cannot be solved by applying the first familiar formula. The work is likely to involve a construction, a hidden invariant, a number-theoretic observation or a chain of reasoning that has to be written carefully. The competition is organised through the Irish Mathematical Olympiad system rather than through ordinary school examination structures. Teachers register participating schools each year, which means parents should speak to the mathematics department rather than look for a conventional individual sign-up form. The Round 1 page is also the right place to check current dates and administration: annual arrangements can change. Round 1 should be placed in context. It is part of the senior IrMO environment, but families should not assume that it is always a simple “qualifier then final” sequence. The official IrMO site and current eligibility rules determine how the Final Round is organised in a particular cycle. The Final also feeds into further selection tests for the Irish IMO team, so Round 1 is best understood as an entry and development point, not as the team selection itself. We rate Round 1 at Expert Level because the problem-solving demand is advanced and participation is organised through a selective national mathematics system. It suits students who are willing to spend time on a problem with no obvious starting point and who want to learn how mathematical arguments are built, not just how answers are found. Parent perspective: Round 1 is valuable even when it does not lead to the next stage, because it shows students what Olympiad mathematics actually feels like. ---

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