15 Lab Opportunities in California for High School Students

Key Takeaways

• These 15 lab opportunities span major California institutions like UC Irvine, UCSF, UCLA, and Berkeley Lab, covering fields from cancer research to nanoscience and clinical medicine, alongside Horizon’s Research Seminars and Labs, a virtual research option for students who want a fully remote alternative.
• Several programs, including CIRM SPARK, UCSF’s SEP program, and Berkeley Lab’s EinR, are paid, while others, like Berkeley Pre-College Scholars and UCSB’s Research Mentorship Program, charge substantial tuition.
• Most placements pair you with a faculty mentor on an active research project and conclude with a symposium or formal presentation of your findings.
• Eligibility often depends on residency, income, or school district, so it’s worth checking program-specific requirements closely before applying.

15 Lab Opportunities in California for High School Students

If you want real lab experience without waiting until college, a lab opportunity in high school is worth serious consideration!

These opportunities are research-focused and demanding, so your time goes toward real experiments and real data. You’re working alongside actual researchers using the same tools and methods they use every day. That’s what makes a California lab opportunity genuinely an excellent choice, as it hands you real experience instead of just another science credit.

Why should you choose a program in California for high school students?

California is home to some of the strongest research institutions in the country, giving students here real access that most states can’t match. You could end up working in a university lab, assisting with an ongoing research project, running experiments under a mentor’s guidance, or contributing to research in fields like biotech, environmental science, or medicine. What you walk away with isn’t just knowledge; it’s experience doing the work.

This also does real work for your college applications. Admissions officers notice students who’ve spent real time in a lab, since that says more than a strong science grade ever could. Along the way, you build skills like careful observation, data analysis, and scientific reasoning, exactly what colleges and future research programs are looking for.

To make things easier for you, we’ve put together a list of 15 lab opportunities in California for high school students!

1. Stanford Clinical Summer Internship (CSI)

If you want to understand what clinical medicine actually looks like before college, Stanford’s Clinical Summer Internship offers a structured introduction through simulated patient care. You will learn clinical reasoning, physical examination techniques, patient communication, and medical ethics through case discussions and simulation exercises led by Stanford faculty and medical students. The curriculum also covers anatomy and physiology to help you understand the science behind clinical decisions. Alongside technical sessions, you will hear directly from medical student mentors about preparing for pre-med coursework and medical school. You can attend either on campus or virtually, depending on the format you choose.

2. Horizon Academic Research Program (HARP)

Horizon offers trimester-long research programs for high school students in subjects such as data science, machine learning, political theory, and more! Horizon is one of the few research programs for high school students that offers you the choice to engage in either quantitative or qualitative research. Once you select a particular subject track, Horizon pairs you with a professor/PhD scholar who acts as a mentor throughout your research journey. As a participant, you will be expected to develop a 20-page research paper that you can send to prestigious journals for publication as a high school student. The program also provides a letter of recommendation for each student and detailed project feedback you can use to improve future projects. Apply here!

3. California State Summer School for Mathematics and Science (COSMOS) – UC Irvine

At COSMOS, you will spend four weeks studying a single STEM cluster in depth alongside other academically motivated students from across California. Depending on your track, you may work with engineering systems, pharmaceutical science, computer science, or other research areas through lectures, laboratories, and project work. Faculty members introduce the tools and methods commonly used in university research while helping you build technical skills through hands-on assignments. Outside the classroom, you will live on campus and continue working on projects with your cohort. The experience gives you an early look at both college academics and residential life.

4. Berkeley Pre‑College Scholars (Summer Sessions)

Berkeley Pre-College Scholars lets you enroll in actual UC Berkeley undergraduate courses while you are still in high school. You will attend the same lectures, complete the same assignments, and take the same exams as university students, earning college credit upon successful completion. If you choose a science course, you may also work in laboratory sections using university facilities and equipment. Along the way, you will have access to campus resources, academic advising, and libraries that support your coursework. Residential and commuter options are available depending on the session you select.

5. CIRM SPARK Internship Program (Summer Program to Accelerate Regenerative Med Knowledge)

Rather than learning stem cell biology only through textbooks, CIRM SPARK places you inside a research laboratory for six weeks of paid research experience. You will work with scientists on experiments involving cell culture, stem cell techniques, and data collection while learning how regenerative medicine research is carried out. The program also includes discussions on research ethics and science communication, giving you a broader understanding of the field beyond laboratory work. Throughout the internship, mentors guide your work and introduce you to careers in biomedical research.

6. UCI Brain Camp

If the brain is the part of biology that interests you most, UCI Brain Camp offers two weeks focused entirely on neuroscience. You will study brain anatomy, sensory systems, and neurological disorders through faculty-led sessions, laboratory tours, and hands-on dissections. Along the way, you will see how researchers use imaging systems, electrophysiology equipment, and behavioral tools to investigate the nervous system. You will also design simple experiments, collect data on topics like perception or reaction time, and interpret your findings with your group. The program is structured for high school students, so you do not need an advanced neuroscience background to follow along.

7. UCLA Nanoscience Lab Summer Institute

The UCLA Nanoscience Lab Summer Institute introduces you to materials science through five days of laboratory work at the California NanoSystems Institute. Each day focuses on a different experiment involving topics such as nanomaterials, photolithography, bio-toxicity, and energy storage. You will synthesize materials, measure their properties, analyze experimental data, and learn how researchers study matter at the nanoscale. The institute also introduces you to laboratory equipment commonly used in university research. It is a good fit if you already have a foundation in chemistry and want to see how that knowledge is applied in modern research.

8. UCSB Research Mentorship Program

The UCSB Research Mentorship Program (RMP) is a highly competitive summer experience that matches you with a faculty mentor to conduct research. You will spend six weeks working on an original research project in a scientific, engineering, or social science laboratory at UC Santa Barbara. Alongside hands-on research, you attend weekly seminars on research ethics, experimental design, and scientific communication. You will learn to use sophisticated laboratory instruments, analyze data, and keep a meticulous research journal under the guidance of graduate students and faculty. It culminates in a formal research symposium where you present your findings via oral and poster presentations, helping you build professional-grade communication skills.

9. UCLA Summer College Immersion Program Plus (SCIP+)

UCLA’s Summer College Immersion Program Plus combines college coursework with academic workshops that help you prepare for university-level study. You will enroll in UCLA summer classes alongside other students while earning college credit in your chosen subject. If you take science or engineering courses, you may also complete laboratory sections using university facilities and equipment. Outside the classroom, you will attend sessions on research skills, academic writing, library resources, and college planning. The program gives you a practical introduction to both college academics and campus life.

10. UCI Cancer Research Institute Summer Youth Science Fellowship Program (YSFP) 

If cancer biology is the field you want to explore, this six-week internship places you inside a UC Irvine research laboratory working on active biomedical projects. You will spend about 30 hours each week learning techniques such as cell culture, laboratory assays, data collection, and record keeping while working with a faculty mentor. Alongside your research, you will attend talks on cancer biology and take part in discussions with other interns. The experience is designed to introduce you to the daily workflow of a biomedical research lab. The program concludes with a research symposium where you present your work.

11. UCSF SEP High School Intern Program

The UCSF SEP High School Intern Program gives you eight weeks of full-time biomedical research under the guidance of a UCSF scientist. Depending on your placement, you may work in areas such as neuroscience, stem cell biology, immunology, or cancer research while learning experimental design, laboratory methods, and data analysis. Beyond the lab, you will attend workshops on college applications, financial aid, and personal statement writing. The program also includes a college visit and regular mentoring throughout the summer. You will finish by presenting your research to the UCSF community.

12. UCI MedAcademy

UCI MedAcademy offers a five-day introduction to clinical medicine inside the UC Irvine School of Medicine. You will practice skills such as suturing, ultrasound use, patient interviews, and emergency response inside the university’s simulation center. Faculty members also introduce topics including anatomy, clinical reasoning, and public health through lectures and case discussions. Current medical students share what medical school is like and answer questions about preparing for a career in medicine. It is a practical way to experience medical training before college.

13. embARC Summer Design Academy (UC Berkeley College of Environmental Design)

For students interested in architecture or urban design, embARC introduces the studio-based approach used in design schools. You will work on projects involving architecture, city planning, and sustainable design while learning how to turn ideas into physical models and digital designs. Along the way, you will develop site observations, explore design software, and take part in studio critiques where you explain your work and receive feedback. The structure closely follows how architecture is taught at UC Berkeley. It is a good introduction to design thinking and creative problem-solving.

14. Berkeley Lab Experiences in Research (EinR)

Lawrence Berkeley National Laboratory’s Experiences in Research program places you on a scientific team working on projects related to engineering biology, biosciences, or biofuels. You will spend six weeks learning laboratory techniques, following research protocols, collecting data, and contributing to ongoing experiments. The internship also includes seminars on scientific communication and research careers. Throughout the program, you will see how large national laboratories organize research across different teams. You will wrap up the internship with a presentation on your project.

15. iCLEM (Introductory College Level Experience in Microbiology)

iCLEM introduces you to microbiology and biotechnology through a research project inside JBEI laboratories. You will learn techniques used in molecular biology, synthetic biology, and biochemistry while working alongside researchers and undergraduate mentors. Outside the laboratory, the program includes college admissions guidance, personal statement workshops, and financial aid sessions. You will also meet professionals working across the biotechnology industry and explore different STEM career paths. The combination of laboratory work and college preparation makes it a strong introduction to research.

Frequently Asked Questions

What kinds of lab opportunities are available to high school students in California?
You’ll find a mix of formats, including biomedical research placements like the UCI Cancer Research Institute’s YSFP and UCSF’s SEP program, specialized science labs like UCI Brain Camp and the UCLA Nanoscience Lab Summer Institute, and clinical medicine programs like Stanford’s Clinical Summer Internship and UCI MedAcademy. Horizon’s Research Seminars and Labs offer a different kind of option, letting you conduct independent, mentored research remotely across a wide range of subjects rather than joining a fixed in-person lab.

Do you need prior lab experience to apply?
It depends on the program. Some, like the UCLA Nanoscience Lab Summer Institute, require you to have already completed a high school chemistry course, while others, like UCI Brain Camp, are structured for students without an advanced background in the subject. Research-intensive programs like the UCSB Research Mentorship Program set a high GPA threshold rather than requiring specific prior lab experience.

Are there free or paid options available?
Yes, several programs on this list are paid rather than requiring tuition. CIRM SPARK, the UCI Cancer Research Institute’s YSFP, UCSF’s SEP program, Berkeley Lab’s EinR, and iCLEM all provide a stipend on top of being free to participate in. Others, like Berkeley Pre-College Scholars and the UCSB Research Mentorship Program, charge tuition ranging into the thousands or tens of thousands of dollars.

Which programs offer the highest stipends?
UCSF’s SEP High School Intern Program offers a $4,500 stipend upon full completion, and iCLEM provides $3,000. Berkeley Lab’s EinR pays $500 per week across its six-week program, which adds up to a similar total, so it’s worth comparing stipend amounts alongside program length when weighing your options.

Which programs are restricted by residency, income, or school district?
Several of these programs have specific eligibility requirements beyond grade level. The UCI Cancer Research Institute’s YSFP requires enrollment in an approved Orange County school, UCSF’s SEP program is limited to SFUSD or San Francisco public charter school students, and iCLEM sets a household income threshold based on county. Others, like Berkeley Pre-College Scholars and Horizon, don’t have these geographic or income restrictions.

Is there a way to pursue independent research beyond a structured lab placement?

Yes. If you want a mentored research experience without needing to commute to a California campus or lab, Horizon’s Research Seminars and Labs pairs you with a professor or PhD scholar to develop a 20-page research paper you can submit for academic publication, entirely online. The program also provides a letter of recommendation and detailed feedback, and covers over 600 research specializations. You can find the application here.

When should you apply?
Deadlines for these programs are spread throughout the year, so it helps to plan ahead. The UCI Cancer Research Institute’s YSFP has one of the earliest deadlines at January 30, followed by Berkeley Lab’s EinR (February 2 to March 23) and UCSF’s SEP program (February 8). COSMOS at UC Irvine closes February 6, while UCSB’s Research Mentorship Program runs slightly later, with a deadline of March 9. Horizon, by contrast, has multiple deadlines throughout the year across its Spring, Summer, and Fall cohorts, giving you more flexibility if you miss an earlier cutoff.

Image source: UC Berkeley