About Physics at California Institute of Technology (Caltech)
Physics explores matter, energy and the laws of nature — from particles and quantum systems to astrophysics — and builds strong mathematical and computational skills.
At California Institute of Technology (Caltech) (QS World University Rankings 2026: #10) in Pasadena, Physics is one of the subject areas international students choose most. Caltech is a small, highly selective institute focused on science and engineering.
Degree levels for Physics
- Bachelor’s — typical length in the US: 4 years
- PhD — typical length in the US: usually 5–6 years
Program names, specialisations and exact length differ by department — check the official program page before applying.
Admission requirements for Physics at Caltech
- Bachelor’s: apply through the Common App with transcripts, essays, recommendations and English scores.
- Master’s / PhD: a relevant bachelor’s degree, statement of purpose, recommendations, CV and English scores; some programs ask for the GRE. PhD applicants should show research experience and interests.
- English: TOEFL iBT around 100 or IELTS Academic 7.0+ is typically expected (requirements vary by school and program).
Fees and funding
University tuition (undergraduate, university-wide): Approx. $62,000 – $70,000 per year (undergraduate tuition; varies by program). Graduate and professional fees for Physics are set separately by the school. PhD students are usually funded through fellowships and teaching or research assistantships. Need-based financial aid for some international undergraduates (need-aware admission); graduate funding through fellowships and assistantships.
Careers and work after graduation
F-1 graduates can apply for up to 12 months of OPT. Most Physics degrees are STEM-designated, so graduates are often eligible for the 24-month STEM OPT extension.
Apply for Physics at Caltech with GIEC Global
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