California Institute of Technology Admissions: Acceptance Rate, GPA, SAT
Tiny, intense STEM-only school with a 3:1 student-faculty ratio.
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What it takes to get into Caltech
Caltech accepts roughly 2.7% of applicants — one of the most selective rates in the country.The middle 50% of admitted students score between 1530 and 1580 on the SAT, and the average unweighted GPA is around 4.19.
Numbers alone don't get you in. Caltech reads holistically — they want to see academic rigor in your high school transcript (AP/IB/Honors course load), genuine intellectual curiosity, leadership in extracurriculars, a clear “spike” or area of demonstrated excellence, strong essays, and recommendation letters that vouch for your character.
Test-optional policies vary year to year. Even where tests are optional, applicants who submit scores in the 75th-percentile range typically have an edge. Check Caltech's admissions page for the current cycle's policy.
What Caltech Weighs in Admissions
Visual breakdown from Common Data Set Section C7
Caltech Acceptance Rate
2.7% acceptance rate with SAT, GPA benchmarks and selectivity analysis.
How to Get Into Caltech
Data-driven admissions strategy based on CDS weights and what actually matters.
How to Write the “Why Caltech?” Essay
Research tips, common mistakes, and what admissions is actually looking for.
See Where You Stand
GPA vs SAT scattergram — compare your stats to admitted and rejected students.
Practice Caltech Interview Questions
AI-scored mock interview with real alumni questions. 5-dimension feedback.
Caltech Admissions FAQ
What is Caltech's acceptance rate?
Caltech admits approximately 2.7% of applicants based on the most recent reported Common Data Set figures. This rate has trended downward over the past decade as application volumes have grown.
What SAT score do you need for Caltech?
Admitted students at Caltech typically score between 1530 (25th percentile) and 1580 (75th percentile) on the SAT. Hitting or exceeding the 75th percentile gives you a meaningful edge.
What GPA do you need for Caltech?
The average admitted student at Caltech has an unweighted GPA of approximately 4.19 on a 4.0 scale — though weighted GPAs and course rigor matter just as much as the raw number.
Is Caltech test-optional?
Caltech's testing policy varies by cycle. Some years they are test-optional, some years test-required. Always confirm on the official admissions page before submitting.
Compare Caltech with similar schools
Stats are approximate, drawn from publicly-reported Common Data Set figures. Confirm current numbers on Caltech's official admissions site.