COMAT Administration
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The NBOME will partner with your school or college of osteopathic medicine (COM) to tailor COMAT administration to meet your specific needs.
COMAT is delivered through a secure browser on a PC or Mac or on an iPad through the eCOMAT app. Same-day scheduling is available for all delivery options, providing flexibility for multi-site and off-campus administration when minimum technology requirements are met.
Each COM must designate a COMAT coordinator to oversee all administrative tasks.

Delivery Options
Please Note: The delivery platform does not support touch screen monitors, as they may affect certain examination functionality. To ensure the assessment performs correctly, please use a keyboard and mouse to navigate the exam.
Non-Testing Days
COMAT examinations are offered continuously throughout the year Monday through Friday, except for the following dates:
| Non-Testing Days | Dates |
|---|---|
| Winter Holiday* | 12/25/25-1/1/26 |
| Martin Luther King Jr. Day | 1/19/26 |
| Presidents’ Day | 2/16/26 |
| Spring Holiday | 4/3/26 |
| Memorial Day | 5/25/26 |
| COMAT Clinical End of 2025-2026 Cycle | 6/29-7/13/26 |
| Independence Day | 7/3/26 |
| COMAT FBS End of 2025-2026 Cycle | 8/10-8/24/26 |
| Labor Day | 9/7/26 |
| Thanksgiving Holiday | 11/26-11/27/26 |
| Winter Holiday* | 12/25/26-1/1/27 |
| Martin Luther King, Jr. Day | 1/18/27 |
| Presidents’ Day | 2/15/27 |
| Spring Holiday | 3/26/27 |
| Memorial Day | 5/31/27 |
| COMAT Clinical End of Cycle | 6/28/27-7/12/27 |
| Independence Day | 7/5/27 |
| COMAT FBS End of 2026-2027 Cycle | 8/16/27-8/30/27 |
| Labor Day | 9/6/27 |
| Thanksgiving Holiday | 11/25-11/26/27 |
| Winter Holiday* | 12/27/27-1/1/28 |
*The NBOME offices are closed between Christmas and New Year’s Day.


Examination Security
The NBOME is committed to the convenient and secure delivery of all computer-based tests, including the COMAT series. Each exam in the COMAT series has multiple forms, allowing COMs to securely administer a given COMAT subject exam multiple times per year.
In addition to ensuring the confidentiality and integrity of the electronic examinations, the NBOME will not disclose personal data to any third party (individual or entity) without written, signed consent or a court order.
Examination Functionality
COMAT Support
For in-depth information, please review:
