Building the Bay and Beyond!

OHacks is a 12 hour event where high school students work together in teams (of up to 4 students) to design, build, and pitch an app to judges. Meet tons of people, make something cool in 12 hours, get some free schwag! OHacks is open to all experience levels, whether this is your first time coding or your hundredth. We can't wait to 

View full rules


$1,960 in prizes

Galaxy Nexus 5x Phones (4)

Sphero (2)

10'' Bundt Cake Gift Certificate

$10 Movie Gift Cards to Regal Cinemas (2)

Pebble Classic (2)

Office hours with Make School Founders

Winners for best iOS app by Make School

Devpost Achievements

Submitting to this hackathon could earn you:


Any high schooler who is attending HSHacks can submit a progect! You can choose to work individually. A team can have a max of 4 people.


Make your product, submit it to ChallengePost and attend the product fair to show off what you built and to be judged. Make sure to include the platforms and APIs you used in your hack. Also include a description of your project.


Qian Wang

Qian Wang
Chalk Schools

Judging Criteria

  • Originality and Innovation
    Your project is a new and thought out idea
  • Impact
    Your project has potential to have a positive impact on the world
  • Technical Difficulty
    Your project shows excellent use of computer science knowledge
  • User Interface and Design
    Your project considers all users in your design
  • Presentation
    You are able to completely present your project in one minute