Caltech PhD Acceptance Rate

Last Updated on August 9, 2022

Applying to schools means that you’re an ambitious college student. If you’re in a rush to secure a high number of acceptances into competitive grad schools, it’s best that you know which schools have the highest acceptance rates for graduate-level applicants. In this article, we’ll discuss Caltech PhD Acceptance Rate, Caltech EE PhD acceptance rate, Caltech PhD stipend & Caltech PhD requirements. See where you can find more information about the Caltech PhD Acceptance Rate. School can be both exciting and stressful, as well as fun and fulfilling. However, nothing can top the feeling of seeing your dreams come true.

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Applicants must have a minimum unweighted GPA of 3.5 on a 4.0 scale, or in the top 5 to 10% of their class. Applicants are considered for admission to Caltech for the fall term only. Most applicants submit their applications in December of the year prior to the fall term for which they wish to enroll. However, applications are accepted and reviewed beginning September 1 of each year.

Applying to California Institute of Technology

The acceptance ratio at the California Institute of Technology was 6.00% – 8,367 students were applied and 502 were admitted to the school. Based on the rate, it is extremely hard to get into Caltech. The yield, also know as enrollment rate, is 44% where 221 out of 502 admitted students were enrolled. The average SAT score is 1,545 and ACT score is 107 at Caltech. Below tables and charts analyze Caltech admission stats including test scores, admission requirements, and admission statistics.

Caltech Suspends GRE Requirement for One Year |

Caltech PhD Acceptance Rate

The California Institute of Technology is a private university which was established in 1891 and is located at Pasadena, California. Caltech is popular for sciences and engineering programmes. Caltech has 24 majors and six minor’s courses which are divided into six academic divisions. Caltech is one of the “R1: Doctoral Universities – Very High Research Activity” universities.

  • Caltech is one of the top universities and has been ranked in the top 10 best universities throughout the world.
  • Though university does not limit their applicant with a minimum score requirement they admit students that are on top of their class and have a good academic record.
  • Admission to Caltech is very competitive and has a 7% acceptance rate for fall 2019.
  • Prospective students should note that admission here is very competitive and therefore ensure they meet all entry requirements, carefully fill the admissions form, and submit all necessary documents.
  • The most popular courses offered by the California Institute of Technology include; Electrical Engineering, Mechanical Engineering, Chemical Engineering, Bioengineering, Physics, Geophysics and Mathematics.
  • Supporting documents should be uploaded while completing the online application or mailed to the school before stipulated deadlines.
  • For undergraduate international students, the California Institute of Technology offers a total amount of financial aid funds. California Institute of Technology is, however, committed to meeting the demonstrated need for all admitted students.
  • California Institute of Technology does not offer undergraduate merit-based scholarships or financial aid.


Year of foundation1891
Application PortalCommon Application or Coalition Application
Application Fee (non-refundable)UG: 75 USD
Graduate: 100 USD
Acceptance Rate7%
Average SAT ScoreNo specific score
Average ACT ScoreNo specific score
Mode of PaymentVisa/Master-Card/Discover
Rounds of AdmissionEarly Action or Regular Decision
Work ExperienceFor some graduate programs only
Financial AidGrants, Scholarship

caltech graduate acceptance rate

Year of foundation1891
Application PortalCommon Application or Coalition Application
Application Fee (non-refundable)UG: 75 USD
Graduate: 100 USD
Acceptance Rate7%
Average SAT ScoreNo specific score
Average ACT ScoreNo specific score
Mode of PaymentVisa/Master-Card/Discover
Rounds of AdmissionEarly Action or Regular Decision
Work ExperienceFor some graduate programs only
Financial AidGrants, Scholarship

The application fee is $75 for applying to undergraduate school and $100 for graduate school at the California Institute of Technology. The next table presents general admission information.

Open Admission PolicyNo
Undergraduate Application Fees$75
Graduate Application Fees$100
Calendar SystemQuarter
Credits AcceptedNo credits accepted
Degree OfferedBachelor, Master, Post-Master Certificate, Doctorate (Research)
How to Get Into Caltech (Essay Examples Included) — Shemmassian Academic  Consulting

caltech PhD Programs

The Institute is divided into six academic divisions: Biology and Biological Engineering; Chemistry and Chemical Engineering; Engineering and Applied Science; Geological and Planetary Sciences; the Humanities and Social Sciences; and Physics, Mathematics and Astronomy, and 31 graduate options, which are within one or more of the divisions.

Division of Biology and Biological Engineering

  • Bioengineering
  • Biology
  • Computation and Neural Systems
  • Neurobiology

Division of Chemistry and Chemical Engineering

  • Biochemistry and Molecular Biophysics
  • Chemical Engineering
  • Chemistry

Division of Engineering and Applied Science

  • Aeronautics
  • Applied and Computational Mathematics
  • Applied Mechanics
  • Applied Physics
  • Civil Engineering
  • Computer Science
  • Computing and Mathematical Sciences
  • Control and Dynamical Systems
  • Electrical Engineering
  • Materials Science
  • Mechanical Engineering
  • Medical Engineering
  • Space Engineering

Division of Geological and Planetary Sciences

  • Environmental Science and Engineering
  • Geobiology
  • Geochemistry
  • Geology
  • Geophysics
  • Planetary Science

Division of the Humanities and Social Sciences

  • Social and Decision Neuroscience
  • Social Science

Division of Physics, Mathematics and Astronomy

  • Astrophysics
  • Mathematics
  • Physics

A faculty member serves as the representative for an option. The option representative provides consultation on academic programs, degree requirements, financial aid, etc. and provides general supervision to graduate students in the option. A list of current faculty option representatives and option administrators can be found here.

Caltech Physics PhD Acceptance Rate – CollegeLearners

Caltech M.S Program

Caltech offers M.S. and Ph.D. degrees and a select number of Engineer’s and non-degree programs. Consult the Caltech Catalog for more detailed information.

Master of Science

The Master of Science degree is a professional degree designed to prepare a student for teaching, for further graduate studies, or for more advanced work in industry. Under normal circumstances, the requirements for the M.S. degree can be completed in one academic year. Not all options admit directly for the M.S. degree, but the M.S. degree may be granted as part of the Ph.D. path or as a terminal degree in special cases.

Engineer’s Degree

Engineer’s degrees are awarded in limited fields. The work for an engineer’s degree must consist of advanced studies and research in the field appropriate to the degree desired.

Doctor of Philosophy

The Ph.D. must consist of research and the preparation of a thesis describing it, and of systematic studies of an advanced character, primarily in science or engineering. Students who hold a Ph.D. degree from another institution will not be admitted to graduate standing at Caltech to pursue a second Ph.D. degree. A student will not be awarded two Ph.D. degrees from the Institute. At least twelve terms (three academic years) of residence are required for the Ph.D. degree.

Part-Time Degree Programs

Part-time graduate study is permitted at the recommendation of the academic option for graduate students who cannot devote full time to their studies. Typically, part-time students are allowed to register only under special arrangements with a sponsoring organization, and such students are subject to the following rules:

  • Applicants for the part-time program must submit a regular application form accompanied by a detailed plan of study.
  • All research work done for academic credit shall be supervised by a Caltech professorial faculty member.
  • In general, students admitted to the part-time program are required to enroll in a minimum of 27 units for a maximum of eight terms.
Caltech Acceptance Rate, Cost, Admission, and Financial Aids for Students

caltech PhD requirements

Admission Statistics

For the academic year 2019-20, the acceptance rate is 6.00% and the yield is 44.02%. 6,011 men and 2,356 women applied to Caltech and 301 men and 259 women students were accepted. Among them, 147 men and 101 women were enrolled on the school (Fall 2019). The following table and chart show the admission statistics including a number of applicants, acceptance rate, and yield (also known as enrollment rate).
What is my chance for admission to the California Institute of Technology?

Acceptance Ratio6.00%5.01%10.99%

SAT and ACT Score Distribution

For the academic year 2019-2020, 186 students (79% of enrolled) have submitted their SAT scores and 98 students (42%) have submitted their ACT scores for seeking degrees. For score submitters, SAT 75th percentile score of Evidence-Based Reading/Writing is 760 and the 25th percentile is 740. The SAT Math score is 800 (75th) and 790 (25th). The submitted ACT score is 108 (75th percentile) and 108 (25th percentile).

25th Percentile75th Percentile
SAT Evidence-Based Reading and Writing740760
SAT Math790800
ACT Composite3536
ACT Math3536
ACT English3536

caltech graduate admissions requirements

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Caltech requires to submit High School GPA, High School Rank, High School Record (or Transcript), Completion of College Preparatory Program and Recommendations to its applicants. The school recommends submitting High School GPA and High School Rank. The next table summarizes California Institute of Technology application requirements. For more admission information such as minimum GPA and required years of the subject, see Caltech online application page . Calculate how your GPA and test scores compare to accepted, denied, and waitlisted students at the California Institute of Technology

High School GPARecommended
High School RankRecommended
High School Record (or Transcript)Required
Completion of College Preparatory ProgramRequired
Formal Demonstration of CompetenciesNeither required nor recommended
Admission Test ScoresRequired
Other Test (Wonderlic, WISC-III, etc.)Neither required nor recommended
The Grad School Admissions Statistics We Never Had

Cal Non-Degree Programs

Caltech offers academic opportunities that do not lead to a degree from the Institute. These programs are designed to compliment and expand the educational and professional goals of individuals. The Special Student and Visiting Student Researcher statuses provide non-Caltech affiliated graduate students the opportunity to study and conduct research at Caltech while enrolled in or on sabbatical from another college or university. These student visitors must have the sponsorship of a Caltech faculty member and application must be made through the Graduate Studies Office at least one month in advance of the proposed visit. Student visitors include both students that are taking classes and those that are working as researchers or within a faculty member’s research group.

See Visitor Classifications for the various types of visiting student statuses available at the graduate level.

Cal PhD Requirements

PhD Candidacy

Ph.D. Candidacy must be completed before beginning the fourth year of residence. Students should submit a proposed Plan of Study in REGIS, and in consultation with the Option Representative select a candidacy committee of a minimum of three members, two of which must be Caltech professorial faculty. The chair of the committee is a professorial faculty member distinct from the advisor. Completing the prescribed Plan of Study and passing the oral and/or written exams constitutes admission to candidacy.

Final PhD Defense

Final exam committee – Students should log on to REGIS to schedule the final thesis exam and select an approved committee for the defense. An approved committee consists of four total members, three of whom must be current Caltech professorial faculty. The chair of the committee is a professorial faculty member distinct from the advisor.

A requirement of all Ph.D. programs at Caltech is that the student must prepare and successfully defend a dissertation, known as a “thesis”. Caltech theses have a common format and there are regulations regarding the contents and final submission to CaltechTHESIS. Students are responsible for familiarizing themselves with the regulations, following the recommended format, carefully proofreading the thesis, meeting deadlines, working with their adviser and thesis committee to schedule the final defense, providing timely copies of the thesis for review, and making requested revisions. Each thesis must be submitted to the Graduate Office for proofreading no less than two weeks before the scheduled exam date. In order to complete the Ph.D. degree requirements, the student must not only pass the oral thesis defense but also upload a final, approved version of the thesis to CaltechTHESIS as well as the necessary steps as described in the regulations and checkout procedures. Official certification of degree completion will be provided once all the steps have been completed and Institute approvals have been noted in Graduate Degree Progress in Regis.

The Caltech Library has a comprehensive website with instructions for submitting the final thesis, Theses Templates, and tips for preparing the thesis.

In addition to the thesis, each Ph.D. candidate must complete the following forms:

  • Proofreader Agreement
  • Survey of Earned Doctorates


Caltech does not require a minor for the Ph.D. degree, but individual options may have minor requirements as part of their requirements for the major.

A minor program of study should be at a level of study in the minor substantially beyond that typically acquired by students as part of the major requirements. Most options require 45 units or more, including at least one 200-level course. The faculty of the minor option may approve a proposed minor program on the basis of overall class performance and/or by an oral examination. Detailed requirements for minor options are listed under the individual option requirements in the Catalog.

  • Minor Candidacy Form

M.S. Degree

Master’s applications must be submitted no later than Add Day of spring term for a June graduation. Students should log on to the Graduate Degree Progress application within REGIS and click on the M.S. Candidacy tab and select the option and the year in which the M.S. is to be awarded. Then, follow additional instructions for developing a proposed Plan of Study and fulfilling Institute requirements.

Additional Requirements for All Graduate Candidates

  • If you are a member of the Athenaeum, and have no plans to retain membership, please submit an Athenaeum Termination notification to avoid additional dues.
  • You must make arrangements to clear your student account before leaving Caltech by completing a Bursar Exit Interview. The formal diploma may be held if accounts have not been cleared or a payment schedule agreed upon before commencement.
  • Please supply a forwarding address via access.caltech.
  • Refer to the Checklist for additional instructions and notifications.

caltech PhD stipend

In general, most graduate students at Caltech receive full funding for their graduate education. In fact, all doctoral students have full financial support in the form of internal or external fellowships, research assistantships, teaching assistantships, or some combination of fellowship and assistantship support. In most cases financial assistance is awarded on an annual basis, and is dependent upon satisfactory academic progress. A separate application for requesting financial aid is not required.

On average, more than 98% of graduate students offered admission at Caltech are offered a package of merit-based financial support that pays all tuition charges and provides them with a stipend. The only major exception is the case of students in terminal master’s programs, who in many cases are self-supported or who have a financial sponsor. These students should refer to the information on financing a graduate education.

For additional questions or assistance related to financial aid, please contact the Graduate Studies Office.

Inquiries regarding loans should be directed to the Office of Financial Aid.

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