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Caltech University

Pasadena, California

Caltech At A Glance

Caltech, a private institution founded in 1891, is located in Pasadena, California. Students enjoy a sun-drenched STEM learning paradise, proximity to downtown Los Angeles, and the dramatic backdrop of the nearby San Gabriel mountains.

Caltech boasts an incredibly low faculty-student ratio and diverse research centers, including the Seismological Lab, the Resnick Sustainability Institute, the Jet Propulsion Laboratory, and many observatories. Caltech's six academic divisions include biology, chemistry, engineering, geology and planetary sciences, humanities and social sciences, and physics, math, and astronomy. Around 80% of undergraduates participate in research.

Instead of residence halls, students reside in undergraduate houses, each with their own traditions and student governance.

Acceptance rate
Acceptance Rate

Overall: 2% Early: 3%

A Brief History
US News Ranking


A Brief History
Number of Applications


A Brief History
Student-faculty Ratio


A Brief History
Undergraduate Programs



Admissions Overview

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Popular Majors

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Interested in applying to a top university? Speak with one of our experts today.


Where is Caltech located?

Caltech is located in Pasadena, California, USA.

What are the admission requirements for Caltech?

Admission requirements for Caltech include submitting the Common Application or the QuestBridge Application, along with official transcripts, optional SAT or ACT scores, and teacher recommendations. Applicants are also required to complete a writing supplement.

What is the tuition fee for Caltech University?

The tuition fee for Caltech University for the 2023-2024 academic year is $60,816. However, the total cost of attendance, including room and board, books, and other expenses, is estimated to be around $86,886 per year.

What are the most popular majors at Caltech?

The most popular majors at Caltech are Computer Science, Engineering, Physics, and Mathematics.

How competitive is admissions to Caltech?

Admission to Caltech is highly competitive, with an acceptance rate of around 3% for the class of 2027. In 2023, the university received 13,316 applications.

What is the student-faculty ratio at Caltech?

The student-faculty ratio at Caltech is 3:1, which means that for every three students, there is one faculty member.

What is the average class size at Caltech?

The majority of classes at Caltech have fewer than 20 students.

What is the graduation rate of Caltech?

The graduation rate of Caltech is around 93%, which is one of the highest in the country.

What is the campus culture like at Caltech?

The social scene at Caltech can vary depending on the individual student and their interests. First-year students are guaranteed on-campus housing, and the majority of undergraduates live on campus.

Caltech has over 100 student-led clubs spanning everything from outdoor recreation, to cultural identify, food, and robotics... Despite the prominence of STEM education, there are also fine arts programs, including performing and visual arts, theater, and music.

About one-fourth of students participate in NCAA III athletic programs, and there are many club sports too. Recreation facilities include gyms, fields, tennis courts, and swimming pools.

Pasadena proper and nearby downtown LA offer myriad parks, museums, and cultural venues, along with destinations for nightlife and socializing. The nearby San Gabriel mountains also offer natural beauty and open spaces perfect for outdoor relaxation and recreation.

Who are some notable alumni of Caltech?

Some notable alumni of Caltech include Carl Sagan, creator of the iconic Cosmos TV series; Kip Thorne, winner of a Nobel Prize in physics; astrophysicist Vera Rubin, an expert in dark matter; Intel co-founder Gordon Moore, widely known for formulating "Moore's Law; and Charles Richter, inventor of the Richter Scale. Other notables include James Simons, who revolutionized mathematical approaches to investing and founded a renowned hedge fund, and influential venture capitalist Donald Valentine, founder of Sequoia Capital.

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