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Building 68-230A
Cambridge MA, 02139



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Application Opens:
October 1

December 1 at 11:59 PM Eastern Time


Fall Term (September)

Doctor of Philosophy (PhD)

International English Language Testing System (IELTS)

  • Minimum score required: 7
  • Electronic scores send to: MIT Graduate Admissions

Test of English as a Foreign Language (TOEFL)

  • Minimum score required: 100 (iBT) or 600 (PBT)
  • Electronic scores send to: MIT Graduate Admissions

MIT Graduate Admissions accepts the TOEFL Home Edition under extenuating circumstances. Waivers for the English proficiency requirement are available to those who qualify.

The GRE exam is not require nor accepted for admission.

  • Biochemical, Chemical, and Structural Microbiology
  • Bioenergy and Metabolic Diversity
  • Bioinformatics and Computational Microbiology
  • Ecology and Environmental/Geomicrobiology
  • Evolution
  • Genetics and Physiology
  • Genomics and Systems Microbiology
  • Immunology and Host-Microbe Interactions
  • Metabolic Engineering and Biotechnology
  • Microbial Oceanography
  • Molecular and Cellular Microbiology
  • Virology and Phage Biology

Students in the program will be financially supported throughout their training. This support includes tuition, stipend, and single person health insurance. During the first year, students are supported by funds from the Provost’s Office and departments in the School of Science, and the School of Engineering. These departments include the Departments of Biological Engineering, Biology, Chemical Engineering, and Civil and Environmental Engineering. In subsequent years, students will be supported as Research Assistants in their thesis lab.

Although students will be supported, they are strongly encouraged to apply for external fellowships. Please see the Microbiology website for more information.


  • Online application
  • Statement of objectives
  • Three letters of recommendation
  • Transcripts
  • English proficiency exam scores


  • GRE scores

The Subjects Taken section of the online is optional only if you have attached a PDF of your transcript. Attaching your transcript is strongly preferred for the completion of your application. If no transcript has been attached, this page must be filled in to complete your application and you must follow up with an official transcript sent to the address indicated on the Overview/Help page. Please complete the subjects taken in the following order: Biology, Chemistry, Physics, Math, Engineering/Other Sciences.

Incomplete applications may not be reviewed. The scanned and attached copies of your transcript(s) and TOEFL/IELTS scores are considered unofficial, but are sufficient for review purposes.

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