Welcome to EJOI 2026!

EJOI logo

The European Junior Olympiad in Informatics (EJOI) is an annual international programming competition for talented secondary school students across Europe. It features algorithmic problem-solving tasks designed to inspire excellence in computer science.

This year’s EJOI will be jointly co-organized by Ukraine and Lithuania:

  • The Ukrainian Federation of Olympiad Programming
  • The Faculty of Mathematics and Informatics, Vilnius University
  • The Faculty of Informatics, Kaunas University of Technology
  • The Lithuanian Computer Society

It will take place in Kaunas, Lithuania on 24–30 July 2026. This website will be updated with more information soon. In the meantime, you can explore the previous EJOIs, and contact us if you have any questions.