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A.T. Still University

Mesa, Arizona 🇺🇸DO · 4 yearsCOCA: Accreditation

Takes out-of-stateMCAT requiredTraditional interview
Admissions websiteVerified Oct 22, 2026

At a glance

Average GPA

3.57

Average MCAT

502

Class size

155

Applicants

5,583

Interviewed

1,177

Admitted

155

Program length

4 years

Deadline

March 1 prior to the fall of anticipated enrollment

2025 entering class figures from official sources

Who can apply

U.S. citizens / permanent residents

Requirements

Degree

Bachelor of Arts or Science from a US-accredited college/university; minimum cumulative GPA 2.8 and minimum science GPA 2.8 (4.0 scale).

Prerequisites

  • General Biology: one year with lab, 8 semester hours/12 quarter hours
  • Physics: one year with lab, 8 semester hours/12 quarter hours
  • General or Inorganic Chemistry: one year with lab, 8 semester hours/12 quarter hours
  • Organic Chemistry: one year with lab, 8 semester hours/12 quarter hours
  • English: one year or 6 semester hours/8 quarter hours
  • Bachelor of Arts or Science from a US-accredited college/university
  • Minimum cumulative GPA 2.8 and minimum science GPA 2.8 (4.0 scale)
  • MCAT taken within 3 years of application
  • Fluent in oral and written English; basic computer literacy

GPA

Minimum 2.8 (4.0). Minimum 2.8 cumulative GPA and 2.8 science GPA; average cumulative GPA of the 2025 entering class was 3.57 (science 3.49).

MCAT

MCAT requiredRequired; must be taken within three years of the application date; no stated minimum score.

Casper

Not published by the school

Also required

A physician letter is required but may be from a DO or MD, not DO-exclusive. · No hard minimum shadowing hours stated; applicants are strongly encouraged to shadow an osteopathic physician and obtain a letter of support. · Two letters of evaluation required: one from a premedical committee or basic science faculty member, and one from a physician (DO or MD). · Canadian and international applicants are not accepted; applicants must be a U.S. citizen or permanent resident.

How selection works

No stated in-state preference or residency restriction; 29 states represented in the 2025 entering class.

Interview

Format

Traditional

Delivery

Mixed

When

August through April

Dates, deadlines & fees

  1. March 1 prior to the fall of anticipated enrollment

    Primary (AACOMAS) application deadline · "Submit AACOMAS Application fee Deadline for submission: March 1 prior to the fall of anticipated enrollment."

  2. March 15

    Secondary application deadline · "ATSU-SOMA's secondary application deadline is March 15."

Tuition (2026-27)

Domestic: USD 71,750 per year (2026-27); flat rate, no in-state/out-of-state distinction; plus Student Technology Fee of USD 1,484/year and a one-time USD 1,000 fee in year 1.

Special programs & mission

DO/MPH dual degree

Students may pursue a Master of Public Health degree concurrently with the DO degree.

A.T. Still University of Health Sciences serves as a learning-centered university dedicated to preparing highly competent professionals through innovative academic programs. The University is committed to continuing its osteopathic heritage and focus on whole person healthcare, scholarship, community health, interprofessional education, diversity, and underserved populations.

Sources

Every figure links to the official page it came from. Look for the icon. Verified Oct 22, 2026.

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