Application Requirements

Application Deadlines

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

Graduate School Application Requirements

Visit University of Arizona Graduate College for more information

  • Domestic
    • Graduate College Application Form ($85.00 application fee)
    • Domicile Affidavit
  • International
    • Graduate College Application Form ($95.00 application fee)
    • Financial Guarantee
    • TOEFL test scores

Department Application 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
  • Major faculty advisor identified (either before or during application evaluation process)


  • 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:

Course Descriptions UArizona Course Numbers
General Chemistry I - (Lecture & Lab) CHEM 141 or 151 or 161
General Chemistry II - (Lecture & Lab) CHEM 142 or 152 or 162
Introductory Physics I (Lecture & Lab) PHYS 102/181 or PHYS 141
General Microbiology (Lecture) or Introductory Biology  MIC 205 A or MCB 181R
Calculus I MATH 122B or MATH 125

ENVS 275 or MATH 263 or MATH 363 or MGMT 276 or SBS 200

Additional Prerequisites 

  • Environmental science track: Physical Geology (Lecture), OR Soil Science (Lecture) (GEOS 251 OR ENVS 200)
  • Soil and water science track: Physical Geology (Lecture), AND Soil Science (Lecture) (GEOS 251 AND ENVS 200)

Students who lack some program prerequisites, but who are otherwise qualified, may be admitted with the missing courses listed as deficiencies. Deficient courses must be completed during the first two semesters of graduate enrollment.

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

Headshot of Naomi McIsaac

Naomi McIsaac

Graduate Student Support Coordinator

Marcel Schaap

Marcel G. Schaap


Graduate Program Director