How do you apply to Caltech as an undergrad?
Posted on Feb 03, 2026 / Travel
To apply to Caltech as an undergraduate, you’ll use either the Common App or QuestBridge application system. Along with your academic records, you’ll answer supplemental essay questions specific to Caltech, which give you a chance to show your personality and interests. These essays often focus on your curiosity and what you’ve done in STEM or creative projects. Teachers and mentors usually write recommendation letters on your behalf too. Unlike some schools, Caltech doesn’t usually do interviews for undergrad applicants, so your written materials are very important. You’ll also need to submit your test scores if required, though policies can change over time. It’s good to check the official admissions site for the most current requirements before you apply.
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