About Mathematics at California Institute of Technology (Caltech)
Mathematics covers pure and applied areas such as analysis, algebra, probability, statistics and computation, and is valued in finance, technology, data science and research.
At California Institute of Technology (Caltech) (QS World University Rankings 2026: #10) in Pasadena, Mathematics 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 Mathematics
- 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 Mathematics 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 Mathematics 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 Mathematics degrees are STEM-designated, so graduates are often eligible for the 24-month STEM OPT extension.
Apply for Mathematics at Caltech with GIEC Global
GIEC Global offers free counselling, program shortlisting, SOP guidance, application support and F-1 visa assistance for Mathematics at California Institute of Technology (Caltech).
