Internships let high schoolers test-drive a field, build professional skills, and earn references long before college. Even a few weeks of real work experience helps clarify your interests and strengthens an application narrative. Aspiring CS majors stand out by building things and competing — shipping projects on GitHub, contributing to open source, and climbing the USACO ladder.
Opportunities range from NIH and NASA programs to local startups, hospitals, law offices, and research labs; many are summer-based, and a growing number are remote. Look for AI/ML research mentorships, university CS labs, hackathons, and programs such as MIT PRIMES and Stanford AI4ALL.
Hands-on experience signals maturity and direction, and an internship often becomes the seed of an essay, a recommendation letter, or a long-term mentor relationship.
Browse 30+ curated programs for high school students:
Yes, though many formal corporate internships have age limits. Smaller organizations, university labs, nonprofits, and structured summer programs are the most accessible entry points.
Some are (NIH and certain government and corporate programs), many are unpaid, and some are part of a paid summer program. Filter by cost below.
Lead with curiosity: email local professionals, use school and family networks, and apply early to structured programs. Our internships guide walks through the process.