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 222 participants
Synthesis Hacks Sunnyvale, CA, USA A hackathon for bay area highschoolers at Google's campus! $398 in prizes May 23, 2026 92 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
Stang Hacks Pleasanton, CA, USA The Tri-Valley's biggest high school hackathon $800 in prizes Jan 24, 2026 24 participants
Sierra Hacks Manteca, CA, USA A 12-hour coding marathon where innovation meets collaboration! $21,930 in prizes Nov 15, 2025 81 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
LG Hacks 2.0 San Jose, CA, USA The second annual LG Hacks event at Leigh High School! $1,000 in prizes Oct 25, 2025 125 participants