PhD Applied and Computational Mathematics at California Institute of Technology

Programme overview

Interdisciplinary doctoral program giving training in fundamental computational and applied mathematics and research ability in a specific application field, for careers in academia, national laboratories or industry.

Faculty: Division of Engineering and Applied Science | Department: Computing & Mathematical Sciences | Study mode: full-time | Intake: Fall | Location: Pasadena, CA, United States

What you will study

Course work chosen with an adviser from ACM and Institute courses in engineering, sciences and social sciences, with independent reading or research in the first year, a preliminary examination, candidacy examination and thesis.

Official programme page

Application information

Entry requirements

Bachelor's degree or equivalent in science or engineering related to the option; transcripts from each institution attended, three letters of recommendation, CV and essays; GRE policy is set by each graduate program; English proficiency (e.g. TOEFL, PTE Academic, IELTS) expected for applicants whose native language is not English; application fee $100 (waivers available). Admission is once a year with fall-term enrollment; deadlines vary by program from December 1 to January 15. PhD matriculation requires evidence of US work authorization unless alternative support is arranged with the option. Programme-specific: Only students who expect to pursue the PhD are admitted; the MS may be added by PhD students after completing course requirements.

USD 68,574 a year (2026-27). Annual graduate tuition rate for all Caltech graduate students (Fall, Winter and Spring terms at $22,858 each); no programme-specific rate; excludes mandatory fees ($2,448). The same page states that PhD financial packages cover tuition and mandatory fees Source

Graduate admission takes place once each year, with enrollment starting in the following fall term.

Graduate applications are accepted between December 1 and January 15 for enrollment the following fall term, with deadlines varying by programme. The application fee is $100, with fee waivers for a limited number of applicants. Applications are submitted online.

Apply through the official page: https://www.gradoffice.caltech.edu/admissions/applyonline

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