Program USACO Guide (community project, not affiliated with USA Computing Olympiad)
USACO Guide
Free, community-maintained practice curriculum for competitive programming, organized by topic and difficulty with curated practice problems and an online judge for submitting and checking answers.
A clearer starting point
What this opportunity is really like
Here’s the short version before you leave Pathfind to investigate the official details.
Is it a good fit?
A free, online program in Computer Science and Math run by USACO Guide (community project, not affiliated with USA Computing Olympiad). Pathfind lists it for grades 9–12.
Planning a summer around this? See the summer programs for 9th graders it appears in, alongside the other verified options.