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Graduate Astronomy & Astrophysics Programs at California Institute of Technology

17 Graduate Degrees Awarded
2 Graduate Award Levels
#1 Best Rank — Master's

We’ve pulled together the essential facts you should know about graduate study in astronomy & astrophysics at Caltech. You can earn it at the Master’s, Doctoral levels, with undergraduate study also available. It ranks as high as #1 out of 1 schools (Master’s level) by College Factual. Jump to any of the following sections:

Caltech Graduate Astronomy & Astrophysics Rankings

#7 in the U.S.
#2 in California

College Factual ranks Caltech among the top schools in the country for astronomy & astrophysics, ranked #7 out of 33 schools nationally.

Ranking Rank
Best Astronomy & Astrophysics Schools 7 of 33
Best Astronomy & Astrophysics Schools in California 2 of 4

Graduate Astronomy & Astrophysics Degrees at Caltech

Here is each degree level offered in astronomy & astrophysics at Caltech, along with how many graduates complete each level annually.

Degree Level Annual Graduates
Bachelor’s 2
Master’s 10
Doctoral 7

Caltech Astronomy & Astrophysics Master’s Degrees

During the most recent reporting year, California Institute of Technology awarded 10 master’s degrees in astronomy & astrophysics.

Master’s Rankings

Caltech is among the very best schools in the country for astronomy & astrophysics at the master’s level. Its best result was #1 out of 1 schools by College Factual.

Ranking Rank
Best Astronomy & Astrophysics Master’s Degree Schools in California 1
Best Astronomy & Astrophysics Master’s Degree Schools in the Far Western US Region 1
Best Astronomy & Astrophysics Master’s Degree Schools 1

Master’s Student Diversity

Among recent graduates, 50% of astronomy & astrophysics master’s degrees went to men and 50% went to women.

Caltech gender breakdown of Astronomy & Astrophysics Master's degree grads The majority of astronomy & astrophysics master’s degree graduates at Caltech are Non-Resident Alien. Roughly 60% of graduates fell into this category.

The following table and chart show the ethnic background for students who recently graduated from California Institute of Technology with a master’s in astronomy & astrophysics.

Ethnic diversity of Astronomy & Astrophysics majors at California Institute of Technology
Ethnic Background Number of Students
Asian 1
Black or African American 0
Hispanic or Latino 1
White 2
Non-Resident Aliens 6
Other Races 0

Astrophysics (Master’s)

Caltech granted 7 master’s degrees in astrophysics in the latest year of data — 57% to women and 43% to men. Most of these graduates identified as Non-Resident Alien (57%).

Planetary Astronomy and Science (Master’s)

Caltech granted 3 master’s completions in planetary astronomy and science in the most recent reporting year — 33% to women and 67% to men. The most common background among these graduates was Non-Resident Alien (67%).

Caltech Astronomy & Astrophysics Doctoral Degrees

During the most recent reporting year, California Institute of Technology awarded 7 doctoral degrees in astronomy & astrophysics.

Doctoral Rankings

Caltech has not been ranked for astronomy & astrophysics at the doctoral level.

Doctoral Student Diversity

For the most recent academic year available, 57% of astronomy & astrophysics doctoral degrees went to men and 43% went to women.

Caltech gender breakdown of Astronomy & Astrophysics Doctoral degree grads The majority of astronomy & astrophysics doctoral degree graduates at Caltech are Asian. Approximately 43% of graduates fell into this category.

The following table and chart show the ethnic background for students who recently graduated from California Institute of Technology with a doctoral in astronomy & astrophysics.

Ethnic diversity of Astronomy & Astrophysics majors at California Institute of Technology
Ethnic Background Number of Students
Asian 3
Black or African American 0
Hispanic or Latino 0
White 3
Non-Resident Aliens 1
Other Races 0

Astrophysics (Doctoral)

Caltech granted 6 doctoral completions in astrophysics in the latest year of data — 50% to women and 50% to men. The most common background among these graduates was White (50%).

Planetary Astronomy and Science (Doctoral)

Caltech awarded 1 doctoral completion in planetary astronomy and science in the latest year of data — 0% to women and 100% to men. The most common background among these graduates was Asian (100%).

Undergraduate Study in Astronomy & Astrophysics at Caltech

You can also study this field as an undergraduate at Caltech. Here are the undergraduate award levels offered.

Undergraduate Level Annual Graduates
Bachelor’s Degrees in Astronomy & Astrophysics 2

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