📍 Pasadena, CA •Official Admissions Portal ↗
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.
A study of 292 admissions officers reveals that prospective engineering applicants who lacked high school calculus were 16.4% less likely to be recommended for admission, even when their schools did not offer the course.
The test-optional era is rapidly ending across selective institutions, with 72 colleges and university systems requiring SAT or ACT scores for students entering in fall 2027 and another six setting future reinstatement dates.
Common App data reveals that test-submitting applicants now outnumber non-submitters for the first time since 2020, as admissions experts analyze why competitive SAT/ACT scores provide a crucial edge even at remaining test-optional institutions.
Caltech Admissions has introduced a 'bucket system' that groups SAT section scores of 780–800 (ACT 35–36) into Bucket A and 750–770 (ACT 33–34) into Bucket B, hiding exact scores within those tiers from the admissions committee to prevent qualified applicants from self-selecting out.
The College Board has officially opened the CSS Profile for the 2027–2028 academic year, unlocking access to over $14 billion in nonfederal institutional aid across hundreds of colleges with fee waivers available for families earning up to $100,000.
The U.S. Department of Education officially opened the 2027–28 FAFSA form to the general public on September 23, marking the earliest release in program history and enabling applicants to submit federal aid documents well before November 1 early application deadlines.
Caltech reached a tie for No. 5 nationally in the 2027 U.S. News rankings—its biggest jump in 25 years—spurred by top marks in standardized testing after ending test-blind admissions and expanded full-tuition financial aid.
The Caltech essay prompts page has been updated (5,047 -> 7,264 chars). What was added: + [Home](https://www.admissions.caltech.edu/) / [Apply](https://www.admissions.caltech.edu/apply) / [First-Year Applicants](https://www.admissions.caltech.edu/apply/first-year-applicants) / Supplemental What
The Caltech first-year applicants page has been updated (1,571 -> 3,578 chars). What was added: + [Home](https://www.admissions.caltech.edu/) / [Apply](https://www.admissions.caltech.edu/apply) / First-Year Applicants First-Year Applicants ===================== Welcome.
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.
A national poll of college-bound high school seniors by the Art & Science Group shows 34% ruled out colleges solely based on state politics—up from 28% in 2024—with nearly three-fourths eliminating institutions at the initial search phase.
Stanford, Harvard, Yale, MIT, Caltech, and Brown have been issued federal subpoenas in a broad Department of Labor probe into J-1 visa staffing and foreign scholar appointments on federally funded research.
An in-depth analysis of 2026 admissions trends reveals that 42% of U.S. News Top 25 national universities now require standardized test scores—up from roughly 8% in 2023—alongside surging major-specific competition and students submitting an average of seven applications.
Complete breakdown of Caltech undergraduate application deadlines and milestone dates for the 2026-2027 admissions cycle, covering Restrictive Early Action on November 1 and Regular Decision on January 4.
Decision release schedule and portal timeline for Caltech Class of 2031 candidates, detailing mid-December Restrictive Early Action, mid-March Regular Decision, and the tradition of Admissions Release Time Riddles.
An October 2026 survey of 133 selective colleges confirms that virtually no top institution requires the optional ACT Science section for fall 2027 admissions, with all Ivy League universities, MIT, and Stanford leaving it optional.
The College Board reported a second consecutive year of mean SAT score increases across all demographic groups for the Class of 2026, with 42% meeting college readiness benchmarks on the digital exam.
Students who took the September 12 digital SAT will receive their scores on September 25, delivering crucial standardized testing benchmarks for seniors preparing November 1 early admissions packages for test-mandatory T20 universities.
Stanford University slipped to fifth place in the 2027 U.S. News & World Report national university rankings—tied with Caltech and trailing MIT, Princeton, Harvard, and Yale—amid updated methodology weighing post-graduate earnings by major.
High school seniors applying for full four-year Match Scholarships to top partner universities face the upcoming October 1 deadline for the 2026 QuestBridge National College Match application.
Caltech's acceptance rate is below 5% for 2026, with 10,000-13,000 applications and a class size of about 235 students. For the Class of 2030, REA decisions were released in December 2025.
Caltech released final undergraduate admissions decisions, offering admission to 428 students from 43 US states and 23 countries. The acceptance rate is projected at 3-4% based on recent trends.
California Institute of Technology (Caltech) – 3.79%
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.