How to Apply

Graduate study in our department is open to students with undergraduate preparation in biological, chemical, physical, earth, or engineering sciences. Students with other backgrounds can be accepted into the program, with course deficiencies noted.

  • All applicants must have a minimum 3.0 GPA on a 4.0 grade scale.
  • International students must have a TOEFL score of at least 550 (paper-based) or 80 (Internet-based). TOEFL test scores are valid for two years from the test date. (TOEFL Institution Code: 4832).

You must fulfill both the Graduate School and our departmental requirements (see below) and submit your application through the Graduate School. Acceptance into our department is granted to a student based on the availability of a faculty member to supervise a student. We strongly recommend you reach out to faculty before your application.

Learn more and start your application

Domestic International
Fall - June 1st Fall - December 1st
Spring - October 1st Spring - June 1st
*No summer admissions *No summer admissions

Graduate School Requirements

Visit University of Arizona Graduate College for more information

  • Domestic
    • Graduate College Application Form ($75.00 application fee)
    • Domicile Affidavit
  • International
    • Graduate College Application Form ($75.00 application fee)
    • Financial Guarantee
    • TOEFL test scores

Department Requirements

  • Graduate College application for admission
  • Letter of Interest
    • Letter specifying your area of interest and goals.
  • Three letters of recommendation
    • Letter writers should use their own letterhead stationery/envelopes
  • Official transcripts from ALL institutions attended
  • Domestic applicants:
    • GRE scores are requested, but not required
      • GRE Institution Code: 4832
  • International applicants
    • TOEFL score must be at least 550 (paper-based) or 80 (Internet-based).
      • TOEFL Institution Code: 4832
      • TOEFL test scores are valid for two years from the test date

  • If you are currently in the process of completing a degree program, please upload your transcript, including your current course schedule, and later submit a MANDATORY final, official transcript that lists your graduation date and degree awarded.
  • If you are an international applicant, you must provide original and English language translation transcripts, showing courses, grades and degrees awarded. If graded on other than a 4.0 grading scale, please provide appropriate equivalency.

The minimum undergraduate preparation for admission into the our graduate program includes the following courses:

  • General Chemistry I - (Lecture & Lab)
  • General Chemistry II - (Lecture & Lab)
  • Introductory Physics I (Lecture & Lab)
  • General Microbiology (Lecture) OR or Introductory Biology 
  • Calculus I
  • Statistics
  • Physical Geology (Lecture) OR Soil Science (Lecture)

For more information about graduate study in our department, contact our professional academic advisor and head of our Graduate Program.

Kathleen Landeen

Main Campus Advisor

Senior Academic Advisor, II

Marcel Schaap

Marcel G. Schaap


Graduate Program Head