PennApps Hackathon

PennApps

PennApps is America’s first and largest student-run college hackathon, hosted by the University of Pennsylvania. This prestigious STEM-focused event is open to high school students aged 15 and older (grades 10-12) and provides a unique opportunity to innovate, collaborate, and develop cutting-edge projects in technology. With a strong emphasis on coding, creativity, and problem-solving, PennApps offers participants a chance to immerse themselves in a fast-paced, hands-on environment alongside some of the brightest minds in tech.

Program Structure

PennApps is an in-person hackathon held in the United States at the University of Pennsylvania’s campus. The event typically takes place over the course of a single weekend, spanning from Friday evening to Sunday afternoon. During this intense 36-48 hour period, participants work in teams to brainstorm, design, and build a working technology project.

The program begins with an opening ceremony, where participants are introduced to the event structure and provided with resources such as APIs, hardware, and software tools. Throughout the weekend, there are mentorship opportunities, tech workshops, and networking sessions with industry professionals. The event concludes with a project showcase and judging session, where teams present their creations to a panel of experts and compete for prizes.

What Students Experience

Participants in PennApps gain hands-on experience in coding, project development, and teamwork. Students will tackle real-world challenges by creating innovative applications, tools, or hardware solutions. The event fosters creativity, resilience, and collaboration, with access to mentorship from University of Pennsylvania students, alumni, and tech industry leaders.

Workshops and seminars offered during the event provide students with the chance to learn new programming languages, frameworks, and technologies. Beyond technical skills, participants also build their problem-solving, time management, and communication abilities. The hackathon environment encourages students to think critically and push the boundaries of their technical expertise.

Why It Matters for College Applications

Participating in PennApps demonstrates a strong commitment to STEM and showcases a wide range of valuable skills, including coding, innovation, teamwork, and leadership. The program’s affiliation with the University of Pennsylvania adds credibility and prestige to your experience. Admissions officers will see your ability to tackle complex challenges under time constraints and your eagerness to engage in extracurricular activities at the intersection of technology and creativity.

Additionally, the networking opportunities available at PennApps provide students with connections to peers, mentors, and industry professionals, which can further strengthen college applications and future career prospects.

Eligibility

PennApps is open to high school students in grades 10 through 12 who are at least 15 years old. Prior programming experience is helpful but not required, as the event welcomes beginners and advanced coders alike.

How to Participate

Participation in PennApps is free of charge. Students interested in applying should visit the official PennApps website for more details about the application process and deadlines. Be prepared to submit an application that may include basic personal information, your academic background, and a statement of interest.

Spaces are limited, so it’s important to apply early. Once selected, participants will receive further instructions regarding event logistics, travel, and preparation. Don’t miss this incredible opportunity to join one of the most renowned student hackathons in the world!

How much does PennApps Hackathon cost?

PennApps Hackathon is completely free — there is no participation fee. Costs like travel or optional materials may still apply; check the official site for details.

What is the application deadline for PennApps Hackathon?

The application deadline is August 18, 2026. Always confirm on the program's official site, as dates can shift between cycles.

Who is eligible for PennApps Hackathon?

PennApps Hackathon is open to high school students in grades 10–12. Some programs have additional requirements (GPA, coursework, essays, or recommendations) — the full criteria are on the official site.

Is PennApps Hackathon online or in person?

PennApps Hackathon is an in-person program based in Philadelphia, PA. Expect a time commitment of roughly 36 hours per week.

How do I apply to PennApps Hackathon?

Apply directly through University of Pennsylvania's official website. ExtracurricularHub links to the official application — we list and verify programs but don't process applications.