Biology

Program Description: Biology at California Institute of Technology

The Biology program at the California Institute of Technology (Caltech) offers a rigorous and comprehensive education in the fundamental principles and emerging frontiers of biological sciences. Designed for students passionate about understanding life at every level—from molecules and cells to entire organisms and ecosystems—this program provides a solid foundation in both theoretical knowledge and practical laboratory skills. Students benefit from Caltech’s renowned faculty, state-of-the-art research facilities, and close-knit academic community, fostering an environment where innovative research and interdisciplinary collaboration thrive.

The curriculum encompasses a broad spectrum of topics including molecular biology, genetics, cell biology, neurobiology, biochemistry, and evolutionary biology. Emphasis is placed on experimental techniques, critical thinking, and quantitative analysis, which prepare students for diverse careers in research, medicine, biotechnology, and science communication. The program encourages active participation in research projects starting early in the undergraduate experience, often involving collaboration with faculty members engaged in cutting-edge investigations. This hands-on approach enables students to develop practical skills in laboratory techniques, data analysis, and scientific communication, essential for advanced study or professional pursuits.

Caltech’s Biology program emphasizes interdisciplinary learning, integrating principles from physics, chemistry, and computer science to address complex biological questions. Students are encouraged to explore emerging fields such as systems biology, synthetic biology, and computational biology, reflecting the evolving landscape of life sciences. The program also offers specialized courses and research opportunities in topics like developmental biology, microbiology, and biomedical sciences, allowing students to tailor their education to their interests and career goals.

In addition to technical training, the program fosters a deep appreciation for the ethical, societal, and environmental implications of biological research. Students engage in discussions and projects that highlight the importance of responsible science and the impact of biological discoveries on medicine, conservation, and public health. The collaborative atmosphere at Caltech ensures that students are mentored closely by faculty and have access to a vibrant community of scholars committed to advancing our understanding of living systems.

Graduates of the Caltech Biology program are well-prepared to pursue graduate studies, professional degrees, or enter careers in research institutions, biotech companies, healthcare, and science policy. With a focus on innovation, critical inquiry, and hands-on experience, the program aims to cultivate the next generation of leaders in biological science who will contribute to solving some of the world's most pressing biological and health-related challenges.

Course Content

• Biochemistry and Molecular Biology
• Biology and Evolution
• Genetics
• Developmental Biology and Evolution
• Neurobiology
• Computational and Systems Biology
• Organismal Biology
• Cell Biology

Requirements

TOEFL paper-based test score 550

TOEFL iBT® test 80

• Common Application with Caltech Questions
• $75 application fee or fee waiver (Common App waiver or Caltech-specific waiver)
• SAT with writing or ACT with writing
• SAT Subject Test in Mathematics Level 2
• 1 SAT science subject test: biology (ecological), biology (molecular), chemistry, or physics
• 1 math or science teacher evaluation
• 1 humanities or social sciences teacher evaluation
• Secondary School Report
• Academic transcripts

In addition to the two required teacher evaluations, you are welcome to submit an evaluation from a mentor or supervisor who knows you in a different context. If you have published a scientific research paper, you may submit the full paper to Caltech. Instructions on how to submit these papers will be included in your application confirmation email.

No work experience is required.

Want to improve your English level for admission?

Prepare for the program requirements with English Online by the British Council.

• ✔️ Flexible study schedule
• ✔️ Experienced teachers
• ✔️ Certificate upon completion

📘 Recommended for students with an IELTS level of 6.0 or below.

Enroll in the course

All undergraduate financial aid is awarded based on need. Annually, nearly 60 percent of undergraduates receive aid under Caltech's policy to provide all U.S. citizens and permanent residents with the support required to meet 100 percent of their families' demonstrated need.

The California Institute of Technology offers a comprehensive and rigorous undergraduate program in Biology, designed to provide students with a deep understanding of the fundamental principles of life sciences and to prepare them for careers in research, medicine, biotechnology, and related fields. The program emphasizes a multidisciplinary approach, integrating chemistry, physics, computer science, and mathematics to foster a holistic understanding of biological systems. Students engage in laboratory work, research projects, and independent studies that develop their analytical and problem-solving skills. The curriculum includes courses in molecular biology, cell biology, genetics, ecology, evolution, and biochemistry, often complemented by seminars and team-based projects that encourage collaboration and communication skills. The program is supported by state-of-the-art facilities, including advanced microscopy labs, genomics and bioinformatics centers, and research institutes on campus. Undergraduates have opportunities to participate in cutting-edge research alongside faculty members who are leading figures in their fields, often resulting in publications and conference presentations. The program also encourages interdisciplinary exploration, offering minors and special majors that combine biology with fields such as environmental science, computer science, and engineering. Caltech’s small student body ensures personalized mentorship and close interaction with faculty mentors, fostering a vibrant academic community committed to innovation and discovery. Graduates of the program have gone on to successful careers in academia, industry, medicine, and public health, often pursuing further study at top graduate schools or professional programs. The program’s rigorous curriculum, research opportunities, and supportive environment aim to cultivate not only expert knowledge but also critical thinking, creativity, and a passion for understanding the complexities of life.