Best STEM Hackathons for High Schoolers
Top stem hackathons for high school students, ranked by prestige.
85 opportunities found
HackTJ13.0
Thomas Jefferson High School for Science and TechnologyWorld's largest high school hackathon featuring 24 hours of coding, collaboration, and creativity with workshops, mentorship, and prizes.
Gemini 3 Global Hackathon
Google DeepMindBuild new applications using Gemini 3 API for a chance to win $100,000 and funding interviews with AI Futures Fund.
AWS AI Agent Global Hackathon
Amazon Web Services (AWS)Build and deploy working AI agents using AWS generative AI services like Amazon Bedrock and SageMaker AI for a chance to win $45,000 in prizes.
Major League Hacking (MLH) 2026 Season
Major League HackingThe largest, most diverse hacker events in the world. Compete, earn points, and participate in hackathons globally.
Hack4Her
Tecnológico de Monterrey & Arca ContinentalMexico's first hackathon directed at women in tech — a free 24-hour event for university women to propose innovative solutions and connect with indust...
Major League Hacking (MLH) Hackathons
Major League HackingWorld's largest hackathon league with online and in-person events for high school and college students
Major League Hacking Contest
Major League HackingHackathon competition series with events across multiple countries during Fall 2025 - Spring 2026 season.
Hack Club Programs
Hack ClubBuild projects to earn travel credits, hardware funding up to $1,000, or prizes including trips to hackathons.
Genpact Machine Learning Hackathon
Analytics VidhyaMachine learning hackathon to test AI and data science skills on real-world business problems
MLH 2026 Hackathon Season
Major League Hacking (MLH)Largest, most diverse hacker events worldwide. Compete and earn points at hackathons across multiple locations.
NMIT Hacks 2026
NMITNationwide hackathon connecting student innovators with industry mentors across multiple tech tracks including AI/ML, IoT, Game Dev, and Blockchain.
QuackHacks
University of OregonOregon's biggest hackathon, currently under development for QuackHacks 4.0 launching spring 2027.
Azure AI Developer Hackathon
MicrosoftBuild intelligent applications on Azure platform using GitHub Copilot for a chance to win $10,000 in prizes and mentoring sessions.
MLH Events 2026
Major League Hacking (MLH)Largest, most diverse hacker events worldwide. Compete, earn points, and participate in hackathons across multiple locations.
AWS AI Agent Global Hackathon: Agents of change - building tomorrows AI solution today
AWSGlobal hackathon focused on building AI agent solutions using AWS technologies
Gemini 3 Hackathon: Build what's next
DevpostHackathon focused on building with Gemini 3 technology
CitrusHack 2026
CitrusHackA hackathon event for high school students featuring mentorship from tech industry professionals and leaders.
Analytics Vidhya Pinnacle Plus
Analytics VidhyaAI challenges and hackathons to test data science skills, climb leaderboards, and unlock career opportunities
Enigma CodeFest Machine Learning
Analytics VidhyaMachine learning competition to test AI skills on the Analytics Vidhya platform with real-world data science challenges
HackUPC 2026
HackUPCEurope's biggest student hackathon in Barcelona. 36-hour event for hackers to build projects, learn new skills, and collaborate.
Hack Arizona
University of ArizonaThe largest hackathon in the Southwestern United States, returning in 2025 after pausing due to COVID-19.
Global Hack Week: Agents
MLH (Major League Hacking)Week-long virtual hacking event with technical challenges, workshops, networking, and mini-events in the MLH community.
GreenCode Hackathon
Hack ClubA hackathon focused on environmental sustainability and green coding initiatives for high school students.
AWS Agent Hackathon
Amazon Web Services (AWS)Hackathon focused on building production-ready AI agents using Amazon Bedrock and related AWS tools and technologies.
JAMHacks 10
University of WaterlooCanada's largest high school hackathon celebrating its 10th year. 36-hour event in Waterloo where students build tech projects and compete for prizes.
MIT App Inventor Summer Appathon
MIT App InventorIn-person hackathon to build apps in MIT App Inventor, solving challenges while democratizing app development for all.
Stasis
Hack ClubHigh school hardware hackathon in Austin, TX
UCLA AI Hackathon 2026
UCLAAI-focused hackathon competition hosted by UCLA for high school and college students
HackOn
Blockchain-focused hackathon welcoming developers and designers to build world-changing ideas.
CODE211
CODE211A hackathon or coding competition connecting student hackers worldwide focused on innovation and creativity.
Def Hacks Worldwide 3.0
Def Hacks36-hour hackathon for high school and college students to tackle world problems using technology with workshops, mentors, and multiple prize tracks.
GreenCode
Hack Club10-hour hackathon sprint for students to build projects competing for prizes including AI/ML, cybersecurity, and newcomer categories.
HackPrix Hackathon Season 3
2-day in-person hackathon in Hyderabad. Build, collaborate, and compete with developers, designers, and innovators.
MathHacks Hackathon
Hack ClubA hackathon focused on mathematics and coding for high school students.
Devpost Hackathons
DevpostPlatform showcasing world's best online and in-person hackathons for developers and students
COVID Global Hackathon - Health Track
COVID Global HackathonHackathon focused on health initiatives including preventative behaviors, telemedicine, contact tracing, treatment/diagnosis development, and supporti...
Devfolio
DevfolioPlatform for builders to showcase projects, participate in hackathons, and connect with opportunities in tech community.
Analytics Vidhya Hackathons & Competitions
Analytics VidhyaAI and data science competitions including Jobathon, daily challenges, and hackathons to test skills and build portfolio
Hack Club Campfire
Hack ClubA community-driven hackathon and coding event for high school students to build projects and connect with peers.
Devpost Hackathons (Blockchain Theme)
DevpostOnline and in-person hackathons featuring blockchain technology themes and competitions
Leading with Data - Analytics Vidhya Hackathon
Analytics VidhyaAI and data science competition platform with daily challenges, leaderboards, and career opportunities through competitive data science hackathons.
DataHack - Analytics Vidhya
Analytics VidhyaUltimate AI playground with daily challenges, competitions, and hackathons to test and boost data science and machine learning skills
Hack The Mountains
A hackathon event for high school students focused on mountain/outdoor technology challenges.
INTERHACK BCN
International hackathon event based in Barcelona
Student Hackpad 2026
Student HackpadOnline hackathon for high school students with cash prizes, focusing on entrepreneurship and startup development.
Hackabull 2026
University of South Florida (USF)36-hour hackathon where students collaborate to build technology with positive social impact through workshops, mentorship, and sponsor challenges.
CASSINI Hackathon
CASSINI Hackathons & Mentoring11th CASSINI Hackathon in Wrocław, Poland focusing on water challenges using EU space data from Copernicus and Galileo over three days.
Devpost Hackathons - DevOps Theme
DevpostBrowse and join online and in-person hackathons focused on DevOps themes from around the world.
BeachHacks 9.0
A hackathon event for high school students
Hack the 6ix
A hackathon event for high school students
Midnight Hackathon: May 2026
MLH (Major League Hacking) / Midnight48-hour hackathon building on Midnight's privacy-focused blockchain network with tracks in AI, DeFi, and gaming.
herScript: HACK YOUR CURIOSITY Workshop + Hackathon
herScriptWorkshop and hackathon event focused on curiosity and technical skills for participants
HR Hackathon: Embrace distributed
DevpostA hackathon focused on creating solutions for distributed and remote work HR challenges.
Sleepover
Hack ClubA Hack Club event for high school students to collaborate on coding and creative projects.
AthenaHacks 2026
University of Southern California (USC)Southern California's premier hackathon dedicated to closing the gender gap in technology, hosting 24-hour event with free food, workshops, and mentor...
Azure AI Developer Hackathon: Unleash the future of AI on the Azure cloud
Microsoft Azure / DevpostHackathon focused on developing AI applications on the Azure cloud platform
HackDavis
HackDavisA hackathon event for high school and college students organized by the UC Davis community.
Los Altos Hacks X
Los Altos HacksStudent-run hackathon where high school students build projects, learn skills, and collaborate in a creative environment.
Global Hack Week: Hacking for Good
MLH (Major League Hacking)Week-long virtual hackathon with technical challenges, workshops, and community networking for high school and college students.
theDevArmy
theDevArmyCommunity building the developer ecosystem through hackathons, meetups, and events
Def Hacks
Def HacksGlobal hackathon competition for high school students
Global Hack Week: Season Launch
MLH (Major League Hacking)A hackathon event as part of Global Hack Week season launch
AWS Agent Hackathon - Enablement Sessions and Office Hours
Amazon Web Services (AWS)Educational webinars and office hours for AWS Agent Hackathon participants covering agentic AI, Amazon Bedrock, and related technologies.
Summer of Making
Hack ClubBuild coding projects over the summer and earn prizes. Create websites, games, apps, or hardware projects to redeem shells for rewards like Raspberry ...
RowdyHacks
Association for Computing Machinery (ACM) at UTSAUTSA's annual 24-hour hackathon where students collaborate to build real-world projects
HackUNT 2024
University of North TexasA hackathon event for high school and college students to build innovative projects and compete.
Equinox Vancouver Hackathon 2026
Equinox VancouverBeginner-friendly teen hackathon in Vancouver where high school students build projects, learn to code, and make friends in a single day.
Devpost Hackathons - Beginner Friendly
DevpostPlatform showcasing beginner-friendly online and in-person hackathons for developers and students worldwide.
Hackbull VII @ USF
University of South Florida36-hour hackathon for high school and college students to build projects, learn new skills, and collaborate with peers.
Build4Students Hackathon
Build4StudentsHackathon for ages 13+ to create original projects individually or in teams of up to 4 members.
HackHCC: CodeRunners
HackHCC / Major League Hacking24-hour hackathon in Houston where students build software projects from scratch, compete for prizes, and attend workshops on AI and GitHub.
Build4Students
Build4StudentsGlobal online hackathon where students create tools to solve problems in student life, from academics to transit.
Pixel Forge AI Hackathon
Pixel Forge7-day online hackathon to build AI-powered solutions including agents, chatbots, automation tools, and creative AI experiences.
BearHacks 2026
A hackathon event for high school and college students to build innovative projects and compete.
Mathisi-fy Holiday
Mathisi-fyHardware and software hackathon project competition with cybersecurity and COVID-19 community tracks, running November 2023 to January 2024.
MathHacks
The Hack FoundationA learning-focused hackathon for high school students interested in computer science with workshops, keynotes, and mini-events.
LA Hacks AI Hackathon
LA HacksAn AI-focused hackathon event organized by LA Hacks for high school and college students in Los Angeles.
KeanUHackThis
Kean UniversityA hackathon competition for high school students hosted by Kean University.
Student HackPad 2025: Idea2Impact
A hackathon competition for students to develop and pitch their ideas, with the tagline 'no matter the means!'
Hackathon by the Sea
A hackathon event for high school and college students focused on innovation and coding competition.
BroncoHacks 2026
A hackathon event for high school students to compete and showcase coding and technology skills.
UNPLUGGED Hackathon
NNHS Programming ClubBeginner-friendly hackathon for high school and middle school students to build creative programming projects in a single day.
MasseyHacks XII
Massey Secondary SchoolA high school hackathon event for students to collaborate on coding and technology projects.
BeHealthy2 Hackathon
A hackathon focused on health-related innovation and problem-solving for high school students.
HackMHS X
A hackathon event for high school students at Mountain House School