Welcome to the new Caltech Catalog website. Here, you’ll find all the information you need laid out in a familiar, searchable, accessible, and printable format.
Click through the menu on the left to find information on undergraduate and graduate requirements, courses, and the Institute, its faculty, and areas of research.
The search function, located in the top menu, can help you get to specific information within the current catalog. An archive and PDFs of the current and past catalogs are also available.
Links to download or print a specific section or the entire catalog can be found on the home page of this year's catalog.
While every effort has been made to ensure this catalog is accurate and up to date when published, changes affecting the content of the catalog may occur during the year. Accordingly, the Institute reserves the right to correct or change its policies, rules, regulations, requirements for graduation, course offerings, and any other contents of this catalog at any time, including, but not limited to, admission, registration, tuition and fees, attendance, curriculum and curriculum delivery and requirements, conduct, and academic standing. Current versions of Institute policies can be accessed at hr.caltech.edu/services/policies.
In light of the COVID-19 pandemic and its impact on Caltech, the Institute must maintain the flexibility to adapt programs, policies, and on-campus operations for the 2022-23 academic year to meet the needs of the community. For the most up-to-date information on the Institute's response to the global health crisis, visit together.caltech.edu.
Please note that the contents of websites that link to online course entries are not part of the official catalog.