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.
91 verified programs match this page; 16 of the featured listings are completely free; 2 can be done online.
Featured programs
Browse 30+ curated programs for high school students:
- Caltech Signature Award for Innovation — California Institute of Technology: Earn recognition for your groundbreaking ideas in science with this free high school research award. Boost your college applications and showcase your
- Stanford AI4ALL — Stanford University: Discover a free summer program empowering high school juniors with hands-on AI experience, skill-building for college applications, and diversity-focu
- Scripps Research High School Internship Program — Scripps Research: Gain hands-on biomedical research experience in this free high school internship for grades 11-12. Build STEM skills and boost college applications th
- Stanford Medical Youth Science Program (SMYSP) — Stanford University: Explore medicine, public health, and research in this free, equity-focused summer program for high school juniors. Build skills and strengthen college
- Caltech YESS Summer Program — Caltech: Explore a 1-week summer program with STEM workshops and lab tours at Caltech. Perfect for high school students to gain hands-on experience and boost c
- Stanford University High School Summer College — Stanford University: Take Stanford courses alongside Stanford undergraduates. Full Stanford academic experience.
- Genomics Research Internship Program (GRIP) — Stanford University Department of Genetics: Paid summer research internship in Stanford genetics labs for local high school students underrepresented in biomedical science.
- Cal Grant Program — California Student Aid Commission: Cal Grant is California's largest college financial aid program, awarding up to $16,000 per year to California residents attending in-state colleges.
- Silicon Valley Math Tournament — Silicon Valley Math Initiative: Compete in the Silicon Valley Math Tournament to sharpen problem-solving skills, boost your college applications, and connect with like-minded high sc
- UC San Diego Research Scholars — University of California San Diego: Join a hybrid STEM summer program for high schoolers (grades 9-12) to gain hands-on research experience, build college-ready skills, and present at a
- UC Berkeley COSMOS — University of California, Berkeley: 4-week residential STEM program at UC campuses for California students.
- UC Santa Barbara Research Mentorship Program — University of California, Santa Barbara: Explore STEM fields in a 6-week summer research program at UCSB. High school juniors gain hands-on experience, mentorship, and a boost for college app
- Stanford SPARK Summer Research Program (High School) — Stanford SPARK / Pediatrics: Explore translational medicine in this free summer program for high school students. Gain hands-on research experience, build skills, and enhance your
- UCSF High School Biomedical Research Internship — University of California, San Francisco: Biomedical research at top medical research university.
- Stanford Clinical Summer Internship (CSI) — Stanford Medicine: Gain hands-on clinical experience with this free summer program for high school juniors and seniors. Shadow doctors, build pre-med skills, and boost y
- Technovation Girls — Technovation: Empower your future through this global competition for grades 6-12. Build apps, solve real-world problems with AI, and gain hands-on STEM and leaders
- Stanford Institute of Medicine Summer Research — Stanford University School of Medicine: An 8-week paid summer research internship in biomedical science at Stanford Medicine for current high school juniors and seniors.
- Caltech InnoWorks Academy — Caltech: Free hands-on STEM program at Caltech. Engineering projects and science exploration.
- UC Berkeley ATDP — UC Berkeley: Academic Talent Development Program for gifted students.
- Eugene and Ruth Roberts Summer Student Academy — City of Hope: Gain hands-on lab experience in biomedical research, genomics, and ethics through this free summer program for high school juniors and seniors. Boost
- Victory Briefs Institute — Victory Briefs: Elite Lincoln-Douglas debate camp known for producing national champions. Top-tier instruction from successful competitors and coaches.
- UCLA Math Open (UMO) — UCLA: Challenge your math skills in this student-run competition featuring proof and short-answer rounds. Boost your college applications and stand out in S
- SPUR (Stanford Pre-Collegiate University Program) Research — Stanford University: Conduct original research with Stanford faculty. Highly competitive.
- Stanford Anesthesia Summer Institute (ASPIRE) — Stanford University School of Medicine: Explore a hands-on summer program blending medicine, technology, and design. Ideal for high schoolers seeking STEM skills, clinical insights, and a co
- Stanford Compression Forum Summer Internship — Stanford University: Data compression research internship at Stanford. Work with researchers on multimedia compression.
- Ronald Reagan Presidential Foundation Student Leadership Program — Reagan Foundation: Leadership program at Reagan Presidential Library.
- California Science & Engineering Fair — California Science Center: Showcase your STEM skills at California's premier science competition for high schoolers. Gain hands-on research experience and boost your college app
- Haas School of Business Summer Entrepreneurship Program — UC Berkeley Haas: Entrepreneurship program at Berkeley Haas. Develop startup ideas with Silicon Valley-style mentorship.
- Berkeley Changemaker Design Lab — UC Berkeley Jacobs Institute: Master design thinking and human-centered innovation at this in-person summer program for high school students. Build skills for college and future ca
- Caltech Harvey Mudd Math Competition — Caltech & Harvey Mudd: Compete in a top-tier high school math competition with individual and team events. Boost problem-solving skills, enhance college applications, and co
Frequently asked questions
How many california programs are listed for high school students?
ExtracurricularHub currently lists 91 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 — 16 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: Stanford University High School Summer College (January 20, 2027); Caltech Harvey Mudd Math Competition (January 24, 2027); UCLA Math Open (UMO) (January 31, 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.