

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 is not merely a university; it is a high-intensity, hyper-focused crucible for scientific genius. With an undergraduate population smaller than a large high school, Caltech operates on a scale of intellectual density unmatched anywhere, where collaboration under a strict honor code is the norm and the core curriculum demands fluency across physics, chemistry, biology, and mathematics. Its culture is famously quirky and insular, a world of elaborate pranks and problem sets, yet it sits in the lush, sun-drenched oasis of Pasadena, a stone's throw from Los Angeles. The output is predictable and staggering: graduates who command some of the highest early-career salaries in the nation, propelled by a degree that signals near-mythical problem-solving prowess.
Test scores required
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.
Compare on earnings: best colleges for Mechanical Engineering
The schools that most often appear alongside Caltech on applicants’ lists, from our self-reported outcomes corpus.
Co-application frequency from self-reported results — directional peer discovery, not a recommendation.
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.
Gaining entry to Caltech is an exercise in statistical improbability, consistently ranking among the most selective undergraduate programs on the planet. The institute's published admit rate is "under 5%" for both its Restrictive Early Action and Regular Decision rounds, with the difference between the two being described as "negligible." For recent cycles, external analyses report dipping as low as 2.2% to 2.6%, with one source noting Caltech set a record in 2024 for its lowest acceptance rate at 2.27%. The process is ruthlessly academic. According to analyses of Caltech's , the overwhelming emphasis is on the objective metrics of academic achievement: rigor of secondary school record, class rank, GPA, standardized test scores, and the application essay are all rated as "very important." Notably, demonstrated interest is not considered in admissions decisions. While test scores are required, the admissions office itself has noted there is a "small difference" in a student's subsequent grades at Caltech between those scoring at the very top of the scale (e.g., 780-800 SAT) and those just below it. The admitted student profile is, unsurprisingly, composed of academic superstars, but the process seeks those whose intellectual curiosity is insatiable and specifically geared toward fundamental discovery in science and engineering.
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 model is a unique blend of intense specialization and enforced breadth, all delivered at a blistering pace. The institute is organized into six academic divisions: Biology and Biological Engineering; Chemistry and Chemical Engineering; Engineering and Applied Science; Geological and Planetary Sciences; Humanities and Social Sciences; and Physics, Mathematics and Astronomy. Every undergraduate, regardless of intended major, must navigate a formidable core curriculum that ensures fluency across the foundational sciences. This includes a full year of physics, chemistry, biology, mathematics, and lab courses, alongside requirements in humanities and social sciences. The most popular majors reflect the institution's pillars: Computer Science is the runaway leader, claimed by 40% of graduates, followed by Mechanical Engineering (16%), Physics (9%), and Electrical Engineering (6%). The pedagogy is problem-set driven and profoundly collaborative, an ethos underpinned by the Caltech Honor Code which allows for take-home exams and open collaboration on assignments. The scale is microscopic—with only about 900 undergraduates total—ensuring unparalleled access to world-renowned faculty and research facilities from day one. The disadvantage, as noted in student discussions, is the relentless academic pressure and workload, leaving little room for anything but a deep, all-consuming focus on STEM.
Life at Caltech is a study in contrasts: an intensely collaborative, quirky, and insular campus culture set within the vibrant, relaxed environment of Pasadena and greater Los Angeles. The social fabric is woven from the unique House System, where nearly all undergraduates live. The eight student-led Houses are the epicenters of identity, hosting dinners, parties, and a legendary roster of whimsical traditions and pranks (known as "Rotations"). This fosters a profoundly collaborative environment; the Honor Code explicitly encourages working together on problem sets, creating a culture where students are allies, not cutthroat competitors. Described by students as "extremely collaborative," the atmosphere is one of shared struggle and intellectual camaraderie. The campus itself is a compact, verdant oasis with Spanish-Mediterranean architecture, offering quiet spots for picnics or reflection. When students need a break, they don't have to look far: 90% live on campus, but the attractions of Old Pasadena, hikes in the San Gabriel Mountains, and the museums and culture of Los Angeles are all easily accessible. The result is a tight-knit, almost familial community that is academically all-consuming but supported by deep bonds and a shared sense of being in a uniquely challenging and rewarding experience together.
A Caltech degree is a direct pipeline to exceptional postgraduate success, both in immediate earnings and long-term career trajectory. The institute's six-year graduation rate is exceptionally high, with official institutional data reporting a rate of 91.5% for a recent cohort, and other sources noting a 93% or 94% overall rate. This academic completion is just the prelude to remarkable financial outcomes. While sources vary on specific figures, the consensus is that median earnings for Caltech graduates are among the highest in the nation. One analysis places the median alumni salary at $102,669, while another notes a median earnings figure of $136,775 just five years after graduation. A U.S. News report states the median salary six years after graduation is $132,140. These numbers underscore the immense market value placed on the rigorous quantitative and problem-solving training that defines a Caltech education. Graduates are not just trained in a discipline; they are, as the institute states, "well trained in their ability to identify, analyze, and solve challenging problems within and across science and engineering disciplines," making them highly sought after by top tech firms, research laboratories, finance institutions, and graduate programs.
Caltech mitigates its staggering sticker price with one of the most generous need-based financial aid policies in the country. The institute is committed to meeting 100% of the demonstrated financial need for all admitted undergraduates. Crucially, for students from families with incomes below $100,000, this aid package is designed to be entirely loan-free, consisting of grants and scholarships that do not need to be repaid. This "no-loan" policy for lower-income families is a cornerstone of its affordability promise. Caltech only offers (no merit scholarships), and it uses a calculator to help families estimate their actual cost. While various sources report different average net price figures after aid, the overarching principle is consistent: the institute works aggressively to ensure that financial barriers do not prevent any admitted student from attending. As a result, the average federal loan amount for Caltech students is reported to be lower than the average at comparable private institutions. The message from the financial aid office is unambiguous: "Caltech will meet 100% of your demonstrated financial need."
Caltech stands apart not just for what it does, but for the sheer, uncompromising intensity with which it does it. It is a university stripped of almost everything but a pure, relentless focus on science and engineering at the most fundamental level. Its scale is its superpower: with an undergraduate population hovering around 900, it achieves an intellectual density per square foot that is arguably unrivaled. This creates an environment where every student is a peer of staggering capability, collaboration is mandated by culture and honor code, and access to Nobel laureates and groundbreaking research is the default, not the exception. The core curriculum is a brutal and brilliant gauntlet that forges a common language of problem-solving across all scientific disciplines. This is paired with a student life that is famously quirky and insular—a world of house traditions, elaborate pranks, and shared survival—yet physically located in the idyllic, sunny paradise of Pasadena. The result is a uniquely potent alchemy: it produces graduates who are not merely experts in a field, but possess a legendary, almost oracular ability to deconstruct and solve hard problems, a reputation that translates into extraordinary career capital and one of the highest financial returns on investment in higher education.