JacHacks SF San Francisco, CA, USA Build the future of AI with the Jac, the world's first agentic programming language. $8,900 in prizes Jul 26, 2026 193 participants
Milpitas Hacks 3 Milpitas, CA, USA Milpitas High School's 3rd annual hackathon, centered around doing good for the community. $4,800 in prizes Jun 13, 2026 223 participants
Synthesis Hacks Sunnyvale, CA, USA A hackathon for bay area highschoolers at Google's campus! $398 in prizes May 23, 2026 92 participants
Los Altos Hacks X Sunnyvale, CA, USA The world's largest high school hackathon. Non-monetary prizes Apr 11 – 12, 2026 278 participants
VikingHacks 2026 Fremont, CA, USA Viking Hacks is Irvington High School's very own annual hackathon, bringing students from around the bay to build innovative projects and present their work to the community. Non-monetary prizes Mar 28, 2026 120 participants
ValleyHacks Newark, CA, USA Team up with others to design, develop and deliver real world solutions that MATTER! $175 in prizes Jan 10, 2026 53 participants
MakerHacks II San Francisco, CA, USA Design, Create, and Iterate in the largest High School Hardware Hackathon. Non-monetary prizes Oct 18 – 19, 2025 68 participants
UHS Hacks San Francisco, CA, USA Join us for a day of coding, learning, and innovation at our school's premier hackathon event! Non-monetary prizes Sep 20, 2025 44 participants