Competition

USA Computing Olympiad (USACO)

USA Computing Olympiad

Free online programming contests and training for students at all skill levels, with problems that progress from beginner to advanced.

Location / AccessFree online contests open internationallyOnline · Online / worldwide

Grade EligibilityGrades 9 · 10 · 11 · 12Canadian high school students

Application Timeline2026–27 contest dates to be announced · free training available year-roundCheck official page for exact cutoff · Next cycle · Free · Online

Eligibility & Requirements

Students worldwide may create an account and compete. Only eligible U.S. students can be selected as finalists for the U.S. international-olympiad teams; Canadian students can still use the contests and training.

Field of Study

Computer scienceMathematics

Open official program page

MaplePath directs you to the official source. Always confirm current rules, deadlines, and registration instructions directly on the host website.

Read official eligibility rules