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Apply to Medical School

Learn about the application process

The American Association of Colleges of Osteopathic Medicine Application Service – also known as AACOMAS - is the centralized online application service for U.S. colleges of osteopathic medicine.  

AACOMAS simplifies the process of applying to osteopathic medical school. Complete one application and send it with the required information to our centralized service. We verify your application for accuracy, process it and send it with your materials to those osteopathic medical schools you designate. 


The AACOMAS application cycle is now open.  Start Your Application

Key Dates: 2025-2026 Application Cycle

May 5, 2025: 
AACOMAS application opens for submissions. 
Colleges begin receiving and processing applications.

Academic Update (Coursework) Periods:
Sep 2, 2025 – Oct 10, 2025
Dec 15, 2025 – Feb 13, 2026
Mar 16, 2026 – Jun 12, 2026

Visit the Choose DO Explorer for individual college application requirements and deadlines.

Admission Requirements

Find out what the admissions committees and interviewers are looking for in a prospective student

Application Instructions

Learn how to use the AACOMAS system to apply to osteopathic medical school.

Application Deadlines

The application cycle runs from May to the following June. Deadlines for each college program can be found in the Choose DO Explorer.

AACOMAS Fee Waiver

A limited number of application fee waivers are available for an admissions cycle and are worth $198 each. Approved fee waivers must be used within 14 days. Waivers will expire if not applied to a submitted application within that time frame.