Grizzly Hacks II Online Create, Compete, and Stand Out. $40,021 in prizes Winners announced 248 participants
MountainHacks 2025 Mountain House, CA, USA Hack the Heights - A 12-hour hackathon for high-school students of all experience levels, taking place on November 8th at MHHS! $12,460 in prizes Nov 8, 2025 188 participants
Los Altos Hacks IX Sunnyvale, CA, USA The world's largest high school hackathon Non-monetary prizes Apr 5 – 6, 2025 293 participants
LG Hacks San Jose, CA, USA High School Hackathon In Los Gatos $1,200 in prizes Mar 23, 2025 127 participants
