International Olympiad in Informatics
- 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.
- http://olympiads.win.tue.nl/ioi/
USA Computing Olympiad (USACO) - USACO supports pre-college computing around the world through computer programming competitions and training materials. Site contains details about current and previous competitions, alumni, training, and registration. - http://oldweb.uwp.edu/academic/mathematics/usaco/
Annual High School Programming Competition - The Annual High School Programming Competition hosted each spring for Nova Scotia high school students by Saint Mary's University. - http://cs.smu.ca/hspc/
British Informatics Olympiad - Annual programming competition for pre-university students in England, Scotland and Wales. - http://www.olympiad.org.uk/
IOI-list - An information page for the mailing-list ioi-list with the possibility to subscribe online. - http://listserver.tue.nl/mailman/listinfo/ioi-list
HP CodeWars - An annual programming competition for high school students in the Houston area and throughout Texas. - http://www.hpcodewars.org
Bi-Lo High School Programming Contest - A high school programming contest held at Furman university in South Carolina. - http://cs.furman.edu/activities/hscontest/
American Computer Science League - ACSL organizes computer science contests and computer programming contests for junior and senior high school students. - http://www.acsl.org/
IOI 2000 in China - 12th International Olympiad In Informatics in Bejing. - http://olympiads.win.tue.nl/ioi/ioi2000/
IOI - International Olympics in Informatics - An official site describing the history of the contest, official regulations, future locations and members in many countries of the world. - http://www.ioinformatics.org/
CEOI 2002 - Pictures for the Central European Olympiads in Informatics. - http://www.tobias-thierer.de/ceoi2002pics.html
All Ireland Schools Programming Competition - An annual computer programming competition held at Dublin City University, sponsored by DCU and IBM Ireland, for pre-university programmers. - http://www.compapp.dcu.ie/~cdaly/ire_comp.html
USACO Training Program Gateway - Training pages for C++/Pascal programmers who intend to particapate at IOI. - http://ace.delos.com/usacogate
CS Programming Contest - The contest is open to all public, private, and parochial high schools in Western North Carolina. Sponsored by the Department of Mathematics and Computer Science of Western Carolina University. - http://www.cs.wcu.edu/cscontest/
University of Scranton High School Programming Contest - Participants are high school students, mainly from schools in Northeastern Pennsylvania. Sponsored by the University of Scranton. - http://www.cs.uofs.edu/~mccloske/hs_prog_contest/index.html