Apply Online

Our application for the 2027-2028 academic year will be available in early October. 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. Once the application has been submitted, you will not be able to modify supporting documents, so please proofread materials thoroughly before submission. Deadlines vary by program from December 1 to December 15.

Caltech is committed to supporting students and scholars affected by the Israel-Gaza and Ukraine-Russia conflicts, irrespective of citizenship. For those candidates in the region who have been affected, it may be possible to apply after the posted deadline. Interested candidates should contact the respective Option Representative for additional information and guidance on applying. The normal standards for admission will be used.

Application Fee

There is an application fee of $100.00 USD. Fee waivers will be granted to a limited number of applicants who can demonstrate financial need or are affiliated with organizations that have made special arrangements with our office.

If you have questions about your application, you may email the Graduate Office.

Please also check the Frequently Asked Questions before contacting our office, as most answers to your questions may be found there.