An annual computer programming competition held at Dublin City University, sponsored by DCU and IBM Ireland, for pre-university programmers.

ACSL organizes computer science contests and computer programming contests for junior and senior high school students.

The Annual High School Programming Competition hosted each spring for Nova Scotia high school students by Saint Mary's University.

A list of links to pages about IOI.

Annual programming competition for pre-university students in England, Scotland and Wales.

Pictures for the Central European Olympiads in Informatics.

An annual programming competition for high school students in the Houston area and throughout Texas.

Annual computing-science competition for talented senior high-school students. Contains links to the homepages for every year and status information about the organisation of the event.

The pages list where the competitions are held and also Israeli Medalists.

An official site describing the history of the contest, official regulations, future locations and members in many countries of the world.