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, and even the physical sciences. The program sets high standards for admission and graduation, and boasts a broad collection of world-class faculty (any faculty at Caltech from any of the areas above can advise students).

Applicants are required to submit the application and supporting materials online prior to the posted deadline. Once the application has been submitted, you will not be able to modify supporting documents, so please proofread your materials thoroughly before submission. To successfully complete the online application process, you must: • Create a free account with CollegeNET to submit the application form online. • Include payment of the application fee or submit a fee waiver request. • Upload a Statement of Purpose. • Request GRE, TOEFL, and/or IELTS test scores to be sent directly to the California Institute of Technology (Institutional Code 4034). • Upload an official electronic copy of your transcripts or online grade reports issued by your college or university. Updated grade reports for terms in progress are not required. Students who have been admitted and plan to attend Caltech will be required to submit an official copy of all transcripts from the Registrar’s Office prior to enrollment. • Register three individuals from whom you will request letters of recommendation. • Upload a CV or Resume.