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Los Altos Hacks X Sunnyvale, CA, USA The world's largest high school hackathon. Non-monetary prizes Apr 11 – 12, 2026 279 participants
Artificathon 2025 Online An exciting hackathon for bay area high school students to promote community engagement while providing a fun place for you to showcase your innovation and talent in AI. $500 in prizes Winners announced 56 participants
