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Extracurriculars in California

67 in-person programs across California, in 26 towns and cities including Los Angeles, Stanford, and Berkeley.

67
in-person programs
26
towns and cities
2
free to attend
Leadership
most common focus

Cities in California

What's in California

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Programs in California

Stanford University Mathematics Camp (SUMaC)
Stanford University · Stanford, CA · Hybrid

The Stanford University Mathematics Camp (SUMaC) is a selective summer program for rising high school juniors and seniors passionate about advanced mathematics. Participants engage in intensive study through lectures, guided…

Stanford Summer Humanities Institute
Stanford University · Stanford, CA · In-Person

Stanford’s Summer Humanities Institute (SHI) is a three-week, residential enrichment program for rising high school juniors and seniors that immerses participants in college-level exploration of humanities topics—from literature and philosophy…

Stanford Math Tournament
Stanford University · Palo Alto, CA · In-Person

The Stanford Math Tournament (SMT) is a highly selective, student-run mathematics competition hosted by Stanford University for high school students. It brings together teams from across the United States to…

Stanford Institutes of Medicine Summer Research Program (SIMR)
Stanford University · Stanford, CA · In-Person

The Stanford Institutes of Medicine Summer Research Program (SIMR) is a highly selective eight-week biomedical research program for high school students hosted by the Stanford University School of Medicine. Students…

Stanford Young Investigators
Stanford University · Stanford, CA · In-Person
Apply by March 15, 2027

The Stanford Young Investigators program is a competitive high school internship in environmental science and sustainability offered through the Stanford Doerr School of Sustainability. It is designed for students who…

BlueStamp Engineering Summer Program
BlueStamp Engineering · Silicon Valley, CA · Hybrid

The BlueStamp Engineering Summer Program is a hands on STEM program designed for high school students to develop practical engineering and technology skills by building real projects from start to…

Berkeley Business Academy for Youth
University of California, Berkeley · Berkeley, CA · In-Person

The UC Berkeley Business Academy for Youth, often called B-BAY, is a selective pre college business and entrepreneurship program hosted by the Haas School of Business at the University of…

Eugene and Ruth Roberts Summer Student Academy
Irell & Manella Graduate School of Biological Sciences · Duarte, CA · In-Person

The Eugene and Ruth Roberts Summer Student Academy is a highly selective, research intensive summer program hosted by City of Hope that provides high school and undergraduate students with hands…

Stanford AI4ALL
Stanford University · Stanford, CA · Hybrid

Stanford AI4ALL is a highly selective two week summer program designed to introduce high school students, specifically current ninth graders, to artificial intelligence through rigorous academic study, hands on research,…

Ayn Rand Atlas Shrugged Essay Contest
Ayn Rand Institute · Santa Ana, CA

The Ayn Rand Atlas Shrugged Essay Contest is an annual writing competition organized by the Ayn Rand Institute that invites students to write analytical essays exploring the themes, characters, and…

The Blank Theatre Young Playwrights Festival
The Blank Theatre · Hollywood, CA · In-Person
Apply by March 15, 2027

The Blank Theatre Young Playwrights Festival is a free national playwriting competition open to writers aged 19 and younger who submit original plays or musicals of any length and genre…

Ayn Rand Anthem Essay Contest
Ayn Rand Institute · Santa Ana, CA

The Ayn Rand Anthem Essay Contest is an annual writing competition sponsored by the Ayn Rand Institute that invites high school students to engage with literature and philosophy through analytical…

Ayn Rand The Fountainhead Essay Contest
Ayn Rand Institute · Santa Ana, CA

The Fountainhead Essay Contest, run by the Ayn Rand Institute, is an annual writing competition open to 11th and 12th grade students who submit analytical essays about Ayn Rand's classic…

Idyllwild Arts Summer Teen Programs
Idyllwild Arts · Idyllwild, CA · In-Person

Idyllwild Arts Summer Teen Programs are intensive one to two week workshops held in the mountains of Southern California for students ages 14 to 17, covering disciplines ranging from ballet…

Stanford Pre-Collegiate Summer Institutes
Stanford University · Redwood City, CA · Virtual

Stanford Pre-Collegiate Summer Institutes is a two-week online summer enrichment program offered by Stanford University for students in grades 8 through 11. Participants choose one intensive course from over 75…

Stanford Summer College
Stanford University · Stanford, CA · In-Person

Stanford Summer College is an eight-week residential program at Stanford University where high-achieving high school students take rigorous college-level courses alongside Stanford undergraduates. Students choose from over thirty departments organized…

Voyage Seaward
Camp SEA Lab · Monterey Bay, CA · In-Person

Voyage Seaward is a 5-day maritime education program offered by Camp SEA Lab for students ages 13 to 16, where participants live and work as crew members aboard the Seaward,…

embARC Summer Design Academy
University of California, Berkeley College of Environmental Design · Berkeley, CA · In-Person

The embARC Summer Design Academy is a four-week college-level program hosted by UC Berkeley's College of Environmental Design for high school students passionate about architecture, urban design, and sustainable city…

Eve and Gene Black Summer Medical Career Program
Los Angeles Pediatric Society · Los Angeles, CA · Hybrid

The Eve and Gene Black Summer Medical Career Program is a prestigious mentorship initiative founded in 1969 by the Los Angeles Pediatric Society to inspire high school students to pursue…

UCLA Summer College Immersion Program (SCIP)
UCLA Summer Sessions · Los Angeles, CA · Hybrid

The UCLA Summer College Immersion Program (SCIP) is a prestigious summer program that allows exceptional high school students to study alongside UCLA undergraduates while earning real college credit. Students choose…

California State Summer School for the Arts (CSSSA)
State of California · Pomona, CA · In-Person

The California State Summer School for the Arts (CSSSA) is a prestigious, state-sponsored residential summer program that offers intensive arts training to high school students across eight disciplines: animation, architecture…

College-Ready Writing: Personal and Academic, Both!
UCLA Center X · Los Angeles, CA · Hybrid

College-Ready Writing: Personal and Academic, Both! is a two-week summer writing workshop offered by UCLA Center X for students in grades 9 through 12. Participants develop their personal academic voice…

UC San Diego FUTURES Programs
UC San Diego Division of Extended Studies · San Diego, CA

UC San Diego FUTURES Programs are career pathway programs offered by UC San Diego Division of Extended Studies that give high school students hands-on experience in high-demand fields like Computer…

AFSF Summer Design Institute
Architectural Foundation of San Francisco · San Francisco, CA · Virtual

The AFSF Summer Design Institute is a three-week intensive summer program offered by the Architectural Foundation of San Francisco for high school students passionate about architecture and design. Students meet…

Pomona College Academy for Youth Success (PAYS)
Pomona College · Claremont, CA · In-Person

The Pomona College Academy for Youth Success (PAYS) is a selective three-year college preparation program hosted by Pomona College for local high school students from first-generation and low-income backgrounds. Each…

Science Internship Program (SIP)
University of California, Santa Cruz · Santa Cruz, CA · Hybrid

The Science Internship Program (SIP) is an eight-week summer research experience hosted by the University of California, Santa Cruz, where high school students conduct authentic, open-ended research alongside UCSC faculty…

UC Berkeley Pre-College Scholars Program
University of California, Berkeley · Berkeley, CA · Hybrid

The UC Berkeley Pre-College Scholars Program is a prestigious summer initiative that allows high school students to take college-level courses taught by UC Berkeley faculty and earn transferable college credits.…

USC Summer Programs
University of Southern California · Los Angeles, CA · In-Person

USC Summer Programs is a prestigious pre-college initiative at the University of Southern California that invites outstanding high school students to take college-level courses taught by USC faculty and experienced…

Lean GAP Summer Program
Lean GAP · San Francisco, CA · Hybrid

Lean GAP is a four-week summer entrepreneurship program that guides high school students through the full process of building a real startup, from validating an idea to pitching to investors.…

USC Exploring Entrepreneurship
University of Southern California · Los Angeles, CA · In-Person

USC Exploring Entrepreneurship is a four-week summer program at the University of Southern California that introduces high school students to the fundamentals of building and launching a business. Participants move…

Kitty Bungalow Volunteer Program
Kitty Bungalow Charm School for Wayward Cats · Los Angeles, CA · In-Person

The Kitty Bungalow Volunteer Program is a free, year-round community service opportunity where students ages 12 and older contribute to the rescue, care, and placement of cats and kittens at…

L.A. Works
L.A. Works · Los Angeles, CA · Hybrid

L.A. Works is a nonprofit volunteer organization that has connected Los Angeles community members with meaningful service opportunities for over 35 years. High school students can participate in year-round volunteering…

Big Sunday
Big Sunday · Los Angeles, CA · In-Person

Big Sunday is a Los Angeles-based volunteer organization that connects high school students with meaningful community service opportunities across the greater LA area. Students can participate in a wide range…

Los Angeles Zoo and Botanical Gardens Volunteer Program
Los Angeles Zoo and Botanical Gardens · Los Angeles, CA · In-Person

The Los Angeles Zoo and Botanical Gardens Volunteer Program is a year-round opportunity for students passionate about wildlife, conservation, and environmental education. Volunteers choose from several pathways, including supporting guest…

The Midnight Mission Volunteer Program
The Midnight Mission · Los Angeles, CA 90014 · In-Person

The Midnight Mission Volunteer Program is a free, year-round community service opportunity where students contribute their time to supporting individuals experiencing homelessness across Los Angeles. Volunteers assist with meal services,…

La Brea Tar Pits Volunteer Program
La Brea Tar Pits and Museum · Los Angeles, CA 90036 · In-Person

The La Brea Tar Pits Volunteer Program offers high school students the opportunity to contribute to one of the most unique active paleontological research institutions in the country, located in…

Heal the Bay Beach Cleanups
Heal the Bay · Los Angeles County, CA · In-Person

Heal the Bay Beach Cleanups is a free, year-round volunteer program organized by Heal the Bay, a Los Angeles nonprofit dedicated to protecting the coastal waters and watersheds of Greater…

FoodCycle LA Volunteer Program
FoodCycle · Los Angeles, CA · In-Person

FoodCycle LA is a community service program that fights food insecurity and reduces waste by recovering surplus food from restaurants and retailers across Los Angeles. Volunteers serve as food recovery…

My Friend's House Foundation
My Friend's House Foundation LA · Los Angeles, CA 90021 · In-Person

My Friend's House Foundation LA is a community service organization dedicated to promoting unity, growth, and encouragement throughout Los Angeles. The foundation operates several volunteer-driven programs, including We Feed The…

Friends of Ballona Wetlands Volunteer Program
Friends of Ballona Wetlands · Los Angeles, CA · In-Person

The Friends of Ballona Wetlands Volunteer Program is a free, year-round conservation initiative where students help restore one of Los Angeles's most important coastal ecosystems. Volunteers engage in hands-on environmental…

Volunteer at Los Angeles Public Library
Los Angeles Public Library · Los Angeles, CA · In-Person

Volunteering at the Los Angeles Public Library connects high school students with one of the largest urban library systems in the country, which spans 73 locations across the city. Volunteers…

Cabrillo Marine Aquarium Volunteer Programs
Cabrillo Marine Aquarium · San Pedro, CA 90731 · In-Person

Cabrillo Marine Aquarium Volunteer Programs offer high school students the opportunity to contribute to marine education and ocean conservation at one of Southern California's most respected aquariums, which has been…

Baby2Baby Volunteer Opportunities
Baby2Baby · Los Angeles, CA 90016 · In-Person

Baby2Baby is a Los Angeles-based nonprofit organization dedicated to addressing child poverty by providing essential supplies to children and families in need across the country. Volunteers participate in 2-hour sessions…

Alexandria House Volunteer Programs
Alexandria House · Los Angeles, CA 90020 · In-Person

Alexandria House is a nonprofit organization that provides transitional housing and support services for women and children in need, and high school students can volunteer year-round through a variety of…

Volunteer Collective
Volunteer Collective · Los Angeles, CA · In-Person

Volunteer Collective is a free, year-round virtual platform that empowers students to create and join meaningful service initiatives spanning disaster relief, food access programs, and youth support efforts. Members gain…

Aspiring Scholars Directed Research Program
Olive Children Foundation · Fremont, CA · In-Person

The Aspiring Scholars Directed Research Program (ASDRP), run by the Olive Children Foundation, is a nonprofit pre-collegiate research institution based in Fremont, California, that mentors high school students in grades…

Brave New Voices Youth Poetry Festival
Youth Speaks · CA and Oakland, CA · In-Person

Brave New Voices is an annual international youth poetry festival organized by Youth Speaks that brings together the world's most talented young spoken word artists for four days of competition,…

Startup UCLA Summer Institute
Startup UCLA · Los Angeles, CA · Hybrid

The Startup UCLA Summer Institute is a pre-college entrepreneurship program hosted by UCLA that immerses high school students in grades 10 to 12 in the world of startups and innovation.…

Clinical Neuroscience Immersion Experience (CNI-X)
Stanford University Department of Psychiatry and Behavioral Sciences · Palo Alto, CA · In-Person

The Clinical Neuroscience Immersion Experience (CNI-X) is a prestigious program offered by Stanford University's Department of Psychiatry and Behavioral Sciences that immerses high school students in the world of clinical…

Careers in Science (CiS) Intern Program
California Academy of Sciences · San Francisco, CA · In-Person

The Careers in Science (CiS) Intern Program at the California Academy of Sciences is a multi-year, paid internship and youth development initiative open to San Francisco high school students in…

Summer Academic Enrichment Program
California State University, Northridge · Northridge, CA · In-Person

The Summer Academic Enrichment Program (SAEP) at California State University, Northridge is a four-week summer program that brings students in grades 6 through 12 onto a university campus for engaging…

AIMI Summer Health AI Bootcamp
Stanford University · Stanford, CA · Virtual

The AIMI Summer Health AI Bootcamp is a selective two week virtual summer program for high school students offered by the Stanford Center for Artificial Intelligence in Medicine and Imaging…

River of Words
Saint Mary's College of California, Center for Environmental Literacy, Kalmanovitz School of Education · Moraga, CA · In-Person

River of Words is a free international youth poetry and art competition hosted by Saint Mary's College of California that challenges students ages 5–19 to express their observations of local…

SHTEM: Summer Internships for High Schoolers and Community College Students
Stanford Compression Forum · Stanford, CA · In-Person

SHTEM is an eight-week summer research internship program at Stanford University, open to high school juniors and seniors with a passion for cutting-edge research. Hosted by the Stanford Compression Forum,…

Santa Clara University Summer Engineering Seminar (SES)
Santa Clara University School of Engineering · Santa Clara, CA · In-Person

The Santa Clara University Summer Engineering Seminar (SES) is a free, five-day residential pre-college program for high school sophomores and juniors interested in exploring engineering. Participants engage in hands-on workshops…

UC Santa Barbara Summer Research Academies
University of California, Santa Barbara · Santa Barbara, CA · In-Person

UC Santa Barbara's Summer Research Academies is a four-week pre-college program that places high school students directly into university-level research under the mentorship of active UCSB scholars across STEM, humanities,…

Engineering Possibilities in College (EPIC)
California Polytechnic State University · San Luis Obispo, California · In-Person

Engineering Possibilities in College (EPIC) is a one-week summer camp hosted by California Polytechnic State University (Cal Poly San Luis Obispo) that introduces students in grades 6 through 11 to…

SAGE Camp at SLAC
SLAC National Accelerator Laboratory · Palo Alto, CA · In-Person

SAGE Camp at SLAC is a free, one-week residential program hosted by SLAC National Accelerator Laboratory in partnership with Stanford University for high school students from all backgrounds. Held on…

Pediatrics Internship Program at Stanford
Stanford Medicine · Stanford, CA · Hybrid

The Pediatrics Internship Program at Stanford (PIPS) is a free, 7-week research internship offered by Stanford Medicine's Department of Pediatrics for rising juniors and seniors from the San Francisco Bay…

Annenberg Youth Academy for Media and Civic Engagement
USC Annenberg School for Communication and Journalism · Los Angeles, CA · In-Person

The Annenberg Youth Academy for Media and Civic Engagement is a three-week summer intensive program hosted by the USC Annenberg School for Communication and Journalism, open to 26 talented high…

Neurocamp
UCLA Brain Research Institute · Los Angeles, CA · In-Person

Neurocamp is a free, eight-day summer program hosted by the UCLA Brain Research Institute that immerses 30 selected high school students in the science of the brain. Participants gain hands-on…

SDSU Training Astronomy Research Scholars (STARS)
San Diego State University · San Diego, CA · In-Person

SDSU Training Astronomy Research Scholars (STARS) is a four-week summer research program hosted by San Diego State University for high school juniors, seniors, and community college students passionate about astronomy.…

Musical Theatre West Youth Ambassador Council
Musical Theatre West · Long Beach, CA · In-Person

The Musical Theatre West Youth Ambassador Council is a selective, year-round leadership program for high school students in grades 9 through 12 who are passionate about musical theatre and the…

Cal Invitational
UC Berkeley · Berkeley, CA · In-Person

The Cal Invitational is a prestigious annual speech and debate tournament hosted by UC Berkeley, open to high school students in grades 9 through 12. Competitors participate in a wide…

Experiences in Research
Berkeley Lab · Berkeley, CA · Hybrid

Experiences in Research (EinR) is a paid summer internship program offered by Lawrence Berkeley National Laboratory for high school students in grades 10 through 12 with a strong interest in…

CURE Research Internship Program
University of California San Francisco · San Francisco, CA · In-Person

The CURE Research Internship Program is a free, 8-week summer internship offered by the University of California San Francisco for high school juniors and community college students interested in health…

USC Bovard Scholars Program
University of Southern California · Los Angeles, CA · Hybrid

The USC Bovard Scholars Program is a highly selective, free summer initiative hosted by the University of Southern California for high-achieving 11th graders who demonstrate both academic excellence and financial…