Extracurriculars & Programs in California for High School Students

California pairs Stanford, Caltech, and UC pre-college and research programs with Silicon Valley tech internships and entertainment-industry opportunities in Los Angeles.

105 verified programs match this page; 17 of the featured listings are completely free; 1 can be done online.

Featured programs

Browse 30+ curated programs for high school students:

Frequently asked questions

How many california programs are listed for high school students?

ExtracurricularHub currently lists 105 verified california opportunities for high school students, each with cost, eligibility, deadline, and an official application link.

Are any of these california programs free?

Yes — 17 of the programs featured on this page charge no participation fee. Free programs are often funded and can be more selective, so apply early.

Which deadlines are coming up soonest?

The next deadlines: Berkeley Model United Nations (BMUN) (January 15, 2027); Startup Grind Global Conference Youth Track (January 15, 2027); Caltech Signature Award for Innovation (February 1, 2027). Deadlines change every cycle — always confirm on the program's official site.

Do I have to live in California to participate?

Most in-person programs based in California accept applicants from anywhere, though some give preference to local students. Residential summer programs typically accept students nationwide — check each listing's eligibility.