OCM Colombia

Overview

The Olimpiada Colombiana de Matematicas (OCM) is Colombia's national mathematics olympiad, organised by the Universidad Antonio Nariño (UAN) through its Olimpiadas Colombianas programme. UAN states that it is the route by which Colombian students can be selected to represent Colombia at international olympiads, including the International Mathematical Olympiad and the Iberoamerican Mathematical Olympiad.

Who can take part

The olympiad is open to school students, and registration is open to schools and to individual students. It is organised by grade.

Levels or stages

Primary

A separate Olimpiada Colombiana de Matematicas para Primaria covers grades 3 to 5. It has four qualifying rounds held during the year in each school under teacher supervision, then a final test supervised by the olympiads office.

Secondary (grades 6 to 11)

Secondary students move through a qualifying test (Prueba Clasificatoria), a selective test, a semifinal and a final.

University

UAN also lists an undergraduate version of the olympiad.

Important dates

For the 2026 secondary competition, the qualifying test was on March 19, the selective test on April 16, the semifinal on May 7, the final round on May 26 to 29, and the awards on May 30.

Fees

Prices and discounts are published on the olympiad's registration page; no fee is stated here.

How to apply

Register through the olympiad website, either individually or through your school.

Preparation tips

Use the practice material and previous tests published on the Olimpiadas Colombianas site, and practise problems on reasoning rather than only curriculum topics.