TISA International Math Olympiad 2026 (TIMO)
for Primary Schools

TIMO is an international mathematics competition designed to inspire young learners, demonstrate that math is an art, and foster logical and analytical thinking.

The Olympiad is conducted in two languages:
English and Dutch.

3 STAGES OF THE OLYMPIAD

The winning school (with the highest total score from all participants in the final round) will receive a €500 prize.

You can sign up to get notified when the registration starts

STAGE 1:
Registration

15 December 2025 - 25 January 2026

All participants receive a certificate

STAGE 2:
Online Round

26 Jan - 06 February 2026

You will receive the invitation if you pass the Online Round

STAGE 3:
Final Round

22 March 2026
in Leiden

COMPETITION GROUPS

TIMO is open to young learners across different age groups:

Group 1 (4-5 y.o.)
Group 2 (5-6 y.o.)
Group 3 (6-7 y.o.)
Group 4 (7-8 y.o.)
Group 5 (8-9 y.o.)
Group 6 (9-10 y.o.)
Group 7/8 (10-12 y.o.)