California Institute of Technology (Caltech)
#10
QS World University Rankings 2026
94.3
QS 2026 overall score
Ranking data
QS World University Rankings source#10
QS World University Rankings 2026
#10
QS World University Rankings 2025
94.3
QS 2026 overall score
Indicator-level data
Each card keeps the QS 2026 score and rank separate. A missing value is not estimated.
Academic reputation
- QS 2026 score
- 98.3
- QS 2026 rank
- #33
Employer reputation
- QS 2026 score
- 99.2
- QS 2026 rank
- #23
Faculty-student ratio
- QS 2026 score
- 100
- QS 2026 rank
- #5
Citations per faculty
- QS 2026 score
- 100
- QS 2026 rank
- #3
International faculty ratio
- QS 2026 score
- 100
- QS 2026 rank
- #65
International student ratio
- QS 2026 score
- 90.7
- QS 2026 rank
- #161
International student diversity
- QS 2026 score
- 91.4
- QS 2026 rank
- #136
International research network
- QS 2026 score
- 61.8
- QS 2026 rank
- #665
Employment outcomes
- QS 2026 score
- 49.1
- QS 2026 rank
- #352
Sustainability
- QS 2026 score
- 79.2
- QS 2026 rank
- #185
About California Institute of Technology (Caltech)
A concentrated science and engineering research environment
California Institute of Technology, commonly known as Caltech, is a private research university in Pasadena, California. Its official academic material describes an institution organised through six academic divisions, with graduate study concentrated in science, engineering, and related interdisciplinary areas. This is a different starting point from a large university with many separate schools and hundreds of unrelated degree paths. An applicant should expect to make a close connection between a proposed area of study, a specific Caltech option, and the faculty or research groups working in that area. The most useful research begins with the current degree option and department pages, then moves outward to laboratories, centres, facilities, and affiliated projects.
Caltech describes its academic approach as combining depth in a core area with exposure to basic science, humanities, mathematics, and social science. For prospective students, this suggests that even a technically focused pathway should be considered in a wider intellectual context. It does not mean that every programme has the same curriculum or that all students follow an identical research route. Graduate applicants should check the degree requirements, qualifying expectations, laboratory culture, and advising arrangements for the exact option they are considering. Undergraduate applicants should similarly use the current catalogue and admissions information to understand academic preparation and the nature of the programme rather than relying on general impressions of Caltech.
Research groups, institutes, and connections beyond one department
Research is central to Caltech's public description of the institution. Its official research pages point to work across areas such as quantum science and engineering, bioinformatics, life sciences, energy, sustainability, human behaviour, and economics, alongside a network of research centres and institutes. These examples show breadth, but they are not a promise of a place in a particular laboratory. When a research area matters to an application, look for a current faculty page, a recent project description, and the formal department or programme relationship. That combination is more reliable than selecting a university because a broad topic appears on a central research page.
Caltech also has a longstanding relationship with NASA's Jet Propulsion Laboratory, which Caltech manages for NASA. This is relevant background for applicants interested in space science, engineering, planetary research, and related fields. It should be interpreted carefully. The relationship does not mean that every student works at JPL or that a Caltech application is an application to JPL. Prospective students should use official programme and research pages to see how, if at all, a particular degree, faculty group, or project connects to that wider environment. Clear distinctions between the university, a laboratory, and an individual research opportunity prevent misunderstandings later in the application process.
A practical way to assess Caltech before applying
Build a small evidence file before adding Caltech to an application plan. Include the degree option, the official academic catalogue page, relevant faculty or group pages, and a note about why the research question fits the programme. Then identify the details that require a fresh check, such as prerequisites, submission timelines, test policy, funding, and whether direct faculty contact is expected or appropriate. This is particularly useful in a specialised institution because a narrow research match can be more important than a broad institutional comparison. It also helps an applicant write a clear statement of purpose that explains both technical preparation and the next research step.
Before making a decision, use current official pages to confirm whether a degree is available, how its requirements relate to your background, and whether the relevant research group is open to students. If the programme, research environment, and practical requirements align, Caltech may deserve a place on a focused shortlist. If they do not, keep looking for a programme where the academic connection is stronger and more direct.
Institution record
- Country
- United States of America
- Region
- Americas
- Status
- Private not for Profit
- QS size code
- S
- Profile record updated
- July 24, 2026
This date shows when this profile was refreshed. It is not a source-verification date from QS or the university.
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