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To apply, you will need to register an account at https://www.applyweb.com/caltgapp *. Check the Application Deadlines for the particular academic program you are applying to as the application system will close at 12:01am on the day following the posted deadline.

Applicants must have completed a bachelor's degree or the equivalent before beginning graduate study. Applicants who already hold a Ph.D. degree will not be considered for a second Ph.D. degree.

The HSS PhD program in the social sciences offers the opportunity for highly motivated and quantitatively oriented students to pursue interdisciplinary research in areas common to economics, political science, political economy, history, psychology, anthropology, law, …

Caltech does not have admissions counselors at the graduate level. Most information can be located online through the Graduate Studies Office website gradoffice.caltech.edu or the main Caltech homepage caltech.edu and searching by area of interest.

Initially, students are required to consolidate their knowledge by taking advanced courses in at least three subfields of physics. Students must also pass a written candidacy exam in both classical physics and quantum mechanics in order to progress into the research phase of …

The primary objective of the Chemistry PhD Program is the development of an individual's ability to perform original and creative scientific research. The program requirements are governed by the chemistry faculty's strong belief that a graduate …

The Computing and Mathematical Sciences (CMS) PhD program is a unique, new, multidisciplinary program at Caltech involving faculty and students from computer science, electrical engineering, applied math, economics, operations research, …

Students may receive their master’s degree on their way to the PhD. You must have received your BS degree by fall 2024 in order to apply in the 2023-24 admissions cycle. The Caltech Applied Physics PhD program is fully funded.

Two distinct graduate programs play a critical role in the HSS research and learning environment: the social sciences PhD program and the social and decision neuroscience (SDN) PhD program.