Olympiad
USA Computing Olympiad (USACO)
A free algorithmic contest series with Bronze, Silver, Gold and Platinum levels. Open to students worldwide and used to pick the US IOI team.
Key dates
The next dates haven't been announced yet. It usually runs online contests January–February, US Open in March.
Last edition: US Open 2026, 28 Mar 2026.
ℹ️ The 2026–27 schedule isn't posted yet. The December contest was dropped in 2025–26.
Who can take part
Pre-college. Online contests open to pre-college students worldwide.
Skills it needs, and how to prepare
Key skills: Algorithms, C++/Java/Python.
Questions parents ask
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Details were checked on the official site in October 2026. Please confirm dates and rules with USACO before entering. CodingChamp is not affiliated with this event.
Want help preparing for USA Computing Olympiad?
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