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Caltech is strictly test-blind (does not consider SAT/ACT scores at all). It has an incredibly high bar for mathematics and science achievements, and seeks students with a passionate drive for STEM.
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Caltech's admit rate is under 5% for both Restrictive Early Action and Regular Decision, with negligible difference between rounds. REA deadline is November 1; RD deadline is January 5, 2027. The school recommends REA for students who have completed calculus, chemistry, and physics prerequisites.
Caltech remains one of the most selective universities in the world with an acceptance rate of approximately 2.7% in 2026. The institute has implemented strict testing policies and continues to seek the strongest STEM minds globally.
Comprehensive guide to writing Caltech's STEM-focused supplemental essays and short answers for the 2026-2027 admissions cycle.
Caltech Supplemental Essays 2026-27 – Prompts & Advice
With an acceptance rate under 4% (yes, truly), Caltech is one of the most highly selective schools in the country. The most recent complete figure is 3.78% for the...
Caltech admitted 428 students for the Class of 2030. The total applicant count has not been released but based on recent trends (11,000-13,800 applications), the acceptance rate is projected at 3-4%. Caltech does not publish detailed REA vs RD statistics.
Caltech released its final round of undergraduate admissions decisions on March 12, offering admission to 428 students from 43 US states and 23 countries. The projected acceptance rate is 3-4% based on recent application trends.
Caltech's admit rate remains under 5% for both Early Action and Regular Decision with negligible difference between rounds. The school has adopted Restrictive Early Action for the 2026-27 cycle. Applicants should have completed calculus, chemistry, and physics.
Caltech's acceptance rate of approximately 3.0% makes it the most selective college in America. The Class of 2030 rate was reported at 3.78% by AdmissionSight.
California Institute of Technology (Caltech) – 3.78%
Caltech's acceptance rate has fallen to 3.0%, making it the most selective college in America. The Class of 2030 saw a 3.78% rate per AdmissionSight, with both figures reflecting Caltech's extreme selectivity as a small STEM-focused institution.
Caltech's acceptance rate for the most recent cycle is 3.78%, confirming it as one of the most selective institutions in the country. The school admitted 315 students for the Class of 2028 and continues its highly targeted STEM-focused admissions process.
Caltech's admit rate is under 5%. The university offers Restrictive Early Action (REA) with a November 1 deadline and mid-December decisions. Admitted students have until May 1, 2026 to accept. Class of 2028 acceptance rate was 2.3%.
Caltech's acceptance rate below 3% makes it one of the most selective schools. Applications stabilized around 11,000-13,800 in recent cycles. Early Decision admits notified mid-December with May 1 reply deadline.
Bucking the trend set by other top institutions, Caltech announced it will remain strictly test-free, choosing not to consider SAT or ACT scores in its admissions process.