Expo Hacks II Dublin, CA, USA Tri-Valley Youth Expo's second annual hackathon $1,460 in prizes Aug 17, 2019 26 participants
Los Altos Hacks IV Sunnyvale, CA, USA Los Altos's fourth annual high school hackathon $2,179 in prizes Mar 23 – 24, 2019 222 participants
Expo Hacks Dublin, CA, USA Expo Hacks is a high school hackathon—a 12-hour programming event where students work in teams to make various software projects within the categories of art, social change, and environment. $9,530 in prizes May 19, 2018 52 participants
Los Altos Hacks III Sunnyvale, CA, USA Los Altos's third annual high school hackathon $43,532 in prizes Mar 24 – 25, 2018 215 participants
CruzHacks 2018 Santa Cruz, CA, USA CruzHacks brings together a diverse and inclusive group of students and professionals to develop innovative solutions to solve real world challenges. $23,375 in prizes Jan 19 – 21, 2018 306 participants
BASE Hacks Fremont, CA, USA Create utility apps and games at a high school hackathon! $3,260 in prizes Apr 8 – 9, 2017 22 participants