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    California Institute of Technology

    Environmental/Environmental Health Engineering

    Last verified against the official program page on .

    Pasadena, USMSIn-person1 year
    STEM-OPT
    $68,001.00
    Tuition
    over 12mo
    5
    Cohort
    students
    135
    Credits
    $100.00
    App fee

    Environmental/Environmental Health Engineering at California Institute of Technology is a 135-credit, 1-year, in-person MS program based in Pasadena, US. Tuition is $68,001 and the program is STEM-OPT eligible for international students.

    About the program

    Trains students to solve fundamental problems in environmental science and engineering across scales from global to local. Covers environmental systems including Earth’s atmosphere, oceans, and biosphere, with focus areas culminating in research leading to a Ph.D. thesis.

    Focus: research
    QS World University Rankings: 10

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    Deadlines

    Fall 2027
    Dec 15, 2026

    Standardized tests

    TOEFL
    optional
    Min Although not required for admission, for applicants whose native language is not English... it is important to demonstrate a strong capability in English prior to admission to Caltech. This can be done by self-reporting scores from... TOEFL... IELTS...
    IELTS
    optional
    Min Although not required for admission, for applicants whose native language is not English... it is important to demonstrate a strong capability in English prior to admission to Caltech. This can be done by self-reporting scores from... TOEFL... IELTS...

    After the program

    Post-study work rights

    12 months OPT (US), 24 months STEM OPT (US)

    $31,774.00
    Annual living cost

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    Prerequisites

    Specific coursework this program expects you to have completed: calculus, linear algebra, programming, statistics, and subject-specific prerequisites where applicable.

    Recommendations

    Exact count of letters required, whether academic vs professional references are preferred, and any program-specific guidance on who to ask.

    Essays

    Number of essays required (statement of purpose, personal statement, diversity statement), prompts where the program publishes them, and whether supplemental essays are optional or mandatory.

    Contact

    Direct email and phone for the admissions office handling this program, plus a link to the program-specific inquiry page where available.

    Frequently asked questions

    How much does Environmental/Environmental Health Engineering at California Institute of Technology cost?
    The total estimated tuition for Environmental/Environmental Health Engineering at California Institute of Technology is $68,001 across 135 required credits.
    Is Environmental/Environmental Health Engineering at California Institute of Technology online or in-person?
    Environmental/Environmental Health Engineering at California Institute of Technology is offered in-person.
    How long does Environmental/Environmental Health Engineering at California Institute of Technology take to complete?
    Environmental/Environmental Health Engineering at California Institute of Technology is structured around 1 year and 135 credits.
    Is Environmental/Environmental Health Engineering at California Institute of Technology STEM-OPT eligible?
    Yes - Environmental/Environmental Health Engineering at California Institute of Technology is STEM-OPT designated, allowing international graduates to extend their post-completion OPT for up to 36 months total.
    How large is the Environmental/Environmental Health Engineering at California Institute of Technology cohort?
    Environmental/Environmental Health Engineering at California Institute of Technology typically enrolls around 5 students per cohort.