AMCAS, AACOMAS, TMDSAS

One Cycle, Three Systems: Should You Apply to AMCAS, AACOMAS, and TMDSAS at the Same Time?

Medical School
June 21, 2025

Applying to medical school is already a complex, time-consuming, and competitive process. When you factor in that the U.S. has three different primary application services—AMCAS (for MD schools), AACOMAS (for DO schools), and TMDSAS (for Texas schools)—it raises an important question: should you apply to all three in the same cycle?

At AcceptMed, we guide students in creating strategic, well-balanced application plans that maximize their chances of success. Understanding the benefits, challenges, and considerations of applying to multiple systems is essential for making the right decision. This article breaks down the pros and cons of applying to AMCAS, AACOMAS, and TMDSAS simultaneously and how to approach it efficiently.

1. Understanding the Three Systems: A Quick Overview

Before deciding whether to apply to all three, it's crucial to understand how each system works and who should apply.

  • AMCAS (American Medical College Application Service)
    • Used by MD (allopathic) programs in the U.S. (excluding Texas).
    • Requires a 5,300-character personal statement and up to 15 Work & Activities entries.
    • Cost: $170 for the first school, $43 per additional school.
  • AACOMAS (American Association of Colleges of Osteopathic Medicine Application Service)
    • Used by DO (osteopathic) schools across the U.S.
    • Requires a 5,300-character personal statement, but has unlimited Work & Activities entries.
    • Cost: $197 for the first school, $48 per additional school.
  • TMDSAS (Texas Medical & Dental Schools Application Service)
    • Used for MD, DO, and dental schools in Texas.
    • Requires a 5,000-character personal statement, Personal Characteristics Essay, and optional Challenge Essay.
    • Cost: $200 flat fee for all Texas schools.

2. Should You Apply to All Three Systems? Pros and Cons

Reasons to Apply to AMCAS, AACOMAS, and TMDSAS

  1. Maximizing Your Chances of Acceptance
    • Applying broadly increases your opportunities for interviews and acceptances.
    • If you’re open to both MD and DO programs, applying to both AMCAS and AACOMAS makes sense.
  2. Keeping Texas Schools on the Table
    • Texas medical schools offer lower tuition for in-state students.
    • Applying through TMDSAS ensures you don’t miss out on these competitive, cost-effective options.
  3. Flexibility in Choosing Schools Based on Your Strengths
    • If your GPA or MCAT score is not as competitive for MD programs, DO schools (AACOMAS) may be a better fit.
    • TMDSAS schools have unique selection criteria that may favor in-state applicants.

Challenges of Applying to All Three Systems

  1. Increased Workload and Costs
    • Managing three different application systems, additional essays, and separate deadlines can be overwhelming.
    • The cost of applying to multiple schools adds up quickly.
  2. Different Formatting and Requirements
    • Each system has unique personal statements, character limits, and essay prompts.
    • Keeping track of different requirements requires careful planning.
  3. Time Management Issues
    • Managing secondaries, interviews, and pre-requisites across multiple applications can become stressful.
    • If you apply to too many programs, it can dilute your effort in crafting strong applications.

3. How to Apply Efficiently Across AMCAS, AACOMAS, and TMDSAS

If you decide to apply to all three systems, here’s how to manage the process efficiently:

  1. Create an Application Timeline Early
    • Submit all primary applications as soon as they open (May-June).
    • Keep track of secondary deadlines and interview dates separately for each system.
  2. Tailor Your Personal Statement for Each System
    • While your core personal statement can remain similar, adjust your essays to reflect the values of MD, DO, and TMDSAS schools.
  3. Budget Wisely
    • Applying to multiple schools is expensive, so research and apply strategically.
    • Consider Fee Assistance Programs (FAPs) if eligible.
  4. Stay Organized with Spreadsheets
    • Track secondary applications, deadlines, and interview invites.
    • Keep copies of your essays for quick modifications and re-use when necessary.

Applying to AMCAS, AACOMAS, and TMDSAS in the same cycle can be a strategic move for maximizing acceptance chances, but it requires careful planning, strong time management, and financial considerations.

Final Tip: If you're unsure whether to apply to all three, focus on the system that aligns best with your career goals, academic strengths, and financial situation.

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