

Admit rate has ranged 3%–7% over the last 5 years. Source: IPEDS via Urban Institute.
Acceptance & SAT from Common Data Set / IPEDS; net price, earnings & graduation from the U.S. Dept. of Education College Scorecard. Figures lag ~1–2 years — verify with the school.
The California Institute of Technology (Caltech) is a tiny, hyper-selective powerhouse where the world's brightest minds tackle quantum physics before breakfast and engineer Mars rovers for fun. With a 3:1 student-to-faculty ratio, a collaborative culture forged by its honor code, and median starting salaries topping $120K, Caltech is where Nobel laureates mentor undergrads in labs—and where 'Ditch Day' pranks are as sacred as problem sets.
Test-blind — scores not considered
Source: IPEDS Admissions survey (2022) via Urban Institute. Covers formal factors only — it does not reflect essays, extracurriculars, or other holistic criteria.
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Outcomes & value
Earnings = median of students working ~10 years after entry; debt = median of graduates. Value divides 10-yr earnings by one year’s net price — read it as earnings per dollar of annual cost, not a full lifetime ROI; it favors lower-cost schools. Source: U.S. Dept. of Education College Scorecard. Figures lag ~2 years and reflect all students, not your intended major.
U.S. Dept. of Education Financial Responsibility Composite Score (FY2022-23). Scale −1.0 to 3.0; ≥1.5 meets the standard. Reported for private nonprofit & for-profit institutions only — public universities are state-backed and not scored, so this is a stability signal, not a ranking.
Median earnings by field of study (highest credential), ~2 years after completion.
Source: U.S. Dept. of Education College Scorecard (field-of-study earnings). Figures cover graduates who received federal aid and lag ~2 years; not all programs report data.
Campus & location
On-campus criminal offenses classed as violent (murder/non-negligent manslaughter, rape, robbery, aggravated assault) for the most recent reported year. Source: U.S. Dept. of Education Campus Safety and Security (Clery Act). Counts reflect what’s reported to the school, and urban campuses often report more partly due to non-student incidents nearby — read alongside campus size and setting, not as a standalone safety verdict.
Pleasant days counts days per year with a mean temperature of 55–75°F, a high at or below 90°F, a low at or above 45°F, and little precipitation — a transparent comfort measure, not a weighting we invented. Computed from Open-Meteo ERA5 daily history (2019–2023). Natural-hazard risk is the county’s composite rating from the FEMA National Risk Index.
Institutional research volume and impact from OpenAlex. The h-index reflects large research universities and will be low for teaching-focused liberal-arts colleges — not a measure of undergraduate quality.
Share of this school’s graduates who go on to earn research doctorates (2010–20), by national rank and per-capita yield (NSF institutional-yield ratio). A signal of a research-oriented student culture — not a causal promise, since it partly reflects who enrolls. Only top producers appear. Source: NSF NCSES, Baccalaureate Origins of U.S. Research Doctorate Recipients.
Getting into Caltech is harder than solving a quantum mechanics problem blindfolded. With Acceptance rateThe share of applicants a college admits in a given year. A 10% acceptance rate means it admits about 1 in 10 applicants. hovering between 2.27% (Class of 2028) and 3.6% (Class of 2029), it’s among the most selective schools globally—more exclusive than Harvard or MIT. Admitted students boast near-perfect stats: middle-50% SAT scores of 1530–1580, ACT scores of 35–36, and an average GPA of 4.19. Caltech reinstated SAT/ACT requirements post-pandemic, noting that even small score differences (e.g., 780 vs. 800 SAT) correlate with academic performance. The institute prioritizes demonstrated passion for STEM, with 98% of admitted students ranking in the top decile of their high school class. Deferred admission is permitted, but don’t expect mercy—YieldThe share of admitted students who actually choose to enroll. Colleges watch it closely, which is why some weigh how interested you seem. rates suggest only ~250 students enroll from over 400 offers.
Mobility rate = the share of students who both start in the bottom household-income quintile and reach the top quintile; bottom → top is that chance conditional on starting at the bottom. Source: Opportunity Insights Mobility Report Cards (Chetty, Friedman, Saez, Turner & Yagan). Reflects 1980–82 birth cohorts, so it’s directional, not current.
Caltech’s academic rigor is legendary—think ‘Black Hole Boot Camp.’ The core curriculum forces students to wrestle with physics, chemistry, and math before diving into one of six divisions, from Engineering & Applied Science to Biology & Biological Engineering. 40% of undergrads major in Computer Science, followed by Mechanical Engineering (16%) and Physics (9%). The 3:1 student-to-faculty ratio means freshmen might co-author papers with professors who’ve won Nobels (there are 46 on faculty). Collaboration is baked into the culture: the honor code allows take-home exams, and cross-disciplinary projects—like designing spacecraft for JPL (NASA’s neighbor)—are routine. One Reddit user sums it up: ‘Every person here is terrifyingly smart, but they’ll still stay up until 3 AM helping you debug code.’
Caltech’s 900 undergrads bond over sleep deprivation and absurdist traditions. The eight student houses (think Hogwarts for physicists) host ‘Ditch Day,’ where seniors devise Rube Goldberg-like puzzles to protect their rooms from underclassmen. The honor code fosters collaboration—‘Problem sets are basically group therapy sessions’—while pranks (like turning a dorm into a giant Tetris game) are celebrated. Social life revolves around physics-themed parties, midnight hikes to the ‘Big C’ hill, and ‘Fleming Cannon’ paint wars. Though 70% of students are male, the institute is actively diversifying. With no Greek life, houses fill the void: ‘Page House cooks gourmet meals, and Lloyd throws ragers with liquid-nitrogen ice cream.’
A Caltech degree is a golden ticket to Silicon Valley labs or Wall Street quant desks. 93% graduate within six years (81% in four), and median starting salaries range from $120K–$129K—nearly triple the national average. Alumni include 24 Turing Award winners and the founders of Intel, Compaq, and Hotmail. Over 50% pursue PhDs, often at MIT or Stanford, while others jump straight into tech (Google, SpaceX) or finance (Renaissance Technologies). One outlier: a grad who became a ‘professional fire dancer in Bali—proof even Caltech brains need to burn off steam.’
At $86,886 total annual cost, Caltech isn’t cheap—but 54% of students receive grants averaging $32,074, and 73% get some form of aid. The institute meets 100% of demonstrated need without loans for families earning <$90K. Use their net price calculator: a family making $150K might pay ~$45K/year. Notable perks: free laundry, subsidized JPL internships, and a ‘TechCash’ stipend for lab snacks. One student joked, ‘They’ll fund your neutrino research but charge $8 for a dining hall cookie.’
Caltech is MIT’s quirkier, nerdier cousin—where students calculate pi to 100 digits for fun and professors wear Hawaiian shirts to Nobel ceremonies. Its tiny size means every undergrad gets face time with giants like physicist Kip Thorne. The JPL partnership lets students build Mars rovers, while the ‘Summer Undergraduate Research Fellowships’ (SURF) pay them to chase breakthroughs. Unlike Ivy League pomp, Caltech thrives on geeky humility: ‘We don’t have a football team, but our chess club once beat Stanford’s while blindfolded.’ If you dream in equations and crave a tribe of fellow obsessives, this is your mecca.