Caltech admitted 3.8% of applicants for fall 2025 (428 of 11,285, Common Data Set 2025-26). Of the 211 students who took a spot on the wait list, 1 were admitted (0.5%). Caltech requires the SAT or ACT for fall 2027. The middle half of enrolled first-years who sent ACT scores had 35–36.
The numbers
Applied
11,285
fall 2025
ACT, middle 50%
35–36
enrolled first-years
Accept their offer
61%
of admitted students enroll
Application fee
$75
waivers exist
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Can I get into Caltech?
3.8% of applicants get in
Almost everyone who applies is turned down, including many students with perfect grades. The middle half of enrolled first-years who sent scores had 35–36 on the ACT.
Likely: even the low end of our estimate is 60% or more, and the college admits at least 25% of applicants. Target: our estimate is 30% or more. Reach: our estimate is under 30%, or the college admits under 15%. Long shot: our estimate is under 12%, or the college admits under 12%. Estimates use the college's admit rate and score range plus your grades and scores. They are not a promise.
11,285 applied, 428 admitted, fall 2025 (Common Data Set).
Does Caltech need the SAT or ACT?Required
Yes.
Required for fall 2027. Plan to take the SAT or ACT and send your best score.
