Hack Club: Horizons Crux
the free hackathon for high schoolers
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📅 Date: JavaScript Disabled
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👥 Open To: High School Students
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💻 Format: In-Person
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🌏 Region: Australia
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💵 Cost: Free
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💰 Prize: TBA
Horizons Crux is a free three-day hackathon for high school students taking place in Sydney from 10–12 July 2026. Hosted by Hack Club, the event brings together teenage builders for a weekend of coding, teamwork, workshops and project demos, with no prior experience level required. Participants will build something from scratch, collaborate with other students and present what they create by the end of the event.
To attend, students qualify by logging 35 hours of project-building through Hack Club’s Horizons platform before the event. Food, accommodation, local transport support, event swag and travel stipends are included, making Horizons Crux an accessible opportunity for high schoolers ready to ship real projects and connect with a global community of young makers.