The USA Computing Olympiad (USACO) supports computing education in the USA and worldwide by identifying, motivating, and training high-school computing students at all levels. It provides hundreds of hours of free online training resources and historical contest problems, hosts online and proctored contests across multiple divisions, and offers an intensive summer training camp to select teams representing the USA at international competitions such as the International Olympiad in Informatics (IOI) and the European Girls' Olympiad in Informatics (EGOI).
Cost
Free
Eligibility
Grades 9–12
Format
Competition · Remote
Key dates
First Contest
Dec 11, 2026
Second Contest
Jan 29, 2027
Third Contest
Feb 19, 2027
US Open Championship
Mar 27, 2027
Training Camp
May 19, 2027
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