When Should You Take the DAT? Timeline for Dental School Applicants

Timing your DAT is one of the highest-stakes decisions in your predental journey. Test too early and you leave points on the table. Test too late and you leave interview slots on the table. This guide covers the ideal windows, how to build in a retake buffer, and how to align your prep with coursework and the application cycle.

The window that gets you both is narrower than you think. Most students need 8 to 12 weeks and 200 to 300 hours to prep. We see this every cycle: the students who finish prerequisites first and then block out consistent study time almost always outperform the ones who squeeze prep between midterms. The best time to take the DAT is when you have finished prerequisite science coursework and have 8 to 12 weeks to prep without major conflicts. For most applicants, this means testing in the spring or early summer before the dental school application cycle begins. Rolling admissions reward early applications, so your score should be ready when you submit your primary application.

Understanding the Dental School Application Cycle

Dental school applications in the United States run on a roughly annual cycle. The AADSAS primary application opens in the spring, often in May, and many schools begin reviewing files shortly after submission. Interviews are offered in the fall, and acceptances continue through the winter. Because seats are filled on a rolling basis, an early complete application is a strategic advantage. A complete application means your primary, transcripts, letters, and DAT score are all in place.

Why Timing Your DAT Matters

Admissions committees review your entire file, but a strong DAT score is a key filter. If you take the DAT too early, you may not be as prepared as you could be. If you take it too late, you delay your application and lose the benefit of rolling admissions. Worse, if you need a retake, a late first attempt leaves no room for recovery. The goal is to test once at 430 or higher, or to test early enough that a retake still fits inside the rolling window.

The Ideal Timeline for Most Students

Most students apply the summer after their junior year. If you follow this path, plan to take the DAT between January and June of your application year. January to March works if you are ready early and want to retake before summer. April to June is the most common window because it gives you the full spring to study and still leaves July and August for a retake if necessary.

Aim to have your official scores before June 1 of the application cycle. That timing gives your application the strongest possible start when schools begin reviewing in late spring and early summer.

DAT Timeline by Year of School

• Sophomore year: Focus on prerequisites. Do not take the DAT unless you have an unusual reason.
• Junior year: This is the ideal year for most students. Finish organic chemistry, biology, and chemistry courses, then prep over winter break or spring semester.
• Senior year or gap year: Still fine. Many non-traditional applicants take the DAT during a gap year or after graduating. The key is to align it with your application timeline.

Students who test during the summer after their sophomore or junior year typically have the freshest science knowledge and the most room for a retake.

How to Leave Room for a Retake

The DAT has a 60-day waiting period and a maximum of four attempts per 12-month period. If you want a safety net, take your first attempt at least 10 to 12 weeks before your earliest application deadline. This gives you time to analyze your score, study your weak areas, and retake before schools start making decisions.

Studying for the DAT During Coursework

Many students take the DAT while also completing science classes. This can be efficient because the material is fresh, but it can also be overwhelming. If you are in school, start with lighter PAT drills and build your science review around your current courses. Save full-length tests for breaks or lighter academic weeks.

Studying for the DAT During a Gap Year

If you are not in school, you can study more hours per week and finish faster. A gap year student can often complete an 8-week plan at 18 to 25 hours per week. Use this time to take more full-length tests and spend extra time on your weakest section.

When to Take the DAT if You Are Retaking

If you already have a score and are planning a retake, schedule your next attempt only after you have identified why your first score was lower than expected. The 60-day wait is mandatory, so use that time for targeted review rather than general restudying. Take a full-length test two weeks before the retake to confirm you are ready.

The Risk of Waiting Until August

August test dates are popular because they fall right before the application cycle peaks. However, if your score is lower than expected, your retake window is compressed into September or October, when many interview slots have already been offered. Unless you are confident you will hit 430 or higher on the first try, avoid an August test date as your first attempt.

How to Choose a Test Date with Prometric

Book your test date at least six to eight weeks before you want to sit. Weekend slots and major metropolitan centers fill first. If you live in a smaller city, consider traveling to a nearby larger center. Once you have a date, work backwards to build your study schedule.

How to Align DAT Prep with Extracurriculars

Research, volunteering, and shadowing are important parts of your application, but they should not derail your DAT prep. Block your DAT study time on your calendar like a class. If you have a major commitment, such as a research presentation or a heavy volunteer schedule, consider testing after that commitment ends.

Winter vs. Summer Prep

Winter break is a great time to do a content-intensive prep phase because you have fewer academic distractions. Summer prep gives you more total hours but may conflict with application writing. Many students combine winter content review with spring practice and a summer test date.

How to Handle a Delayed Test Date

Life happens. If you get sick, have a family emergency, or realize you are not ready, it is better to reschedule than to take a bad exam. Prometric allows rescheduling, though fees may apply. Move your test date by at least two to three weeks so you can reset your study plan. Do not treat a delay as a failure. Treat it as a chance to arrive prepared.

DAT Timing for Reapplicants

If you are reapplying to dental school, your DAT score may still be valid if it is within the last two to three years. Check each school's policy. If your score is still competitive, you can focus on strengthening other parts of your application. If your score is older or lower, schedule a retake early in the cycle so your new score is ready when you reapply.

Setting a Score Target

Set your target based on your schools. On the 200 to 600 scale, a 400 is about the 54th percentile, 420 to 430 is about the 69th to 75th percentile, 440 is about the 81st percentile, and 470+ is about the 91st percentile or higher. A 430+ Academic Average is competitive for many schools, and 470+ is top-tier. Research the median AA at each target school and aim above it.

How to Stay on Track With Your Prep

The best prep is the one you actually finish. Start with a diagnostic to know your baseline, then build a schedule that fits your life. A solid platform should give you full-length practice tests, enough questions to build stamina, and tools that help you target weak areas without jumping between five different apps. If you want a single system that adapts to your timeline, Crack the DAT is built for that.

The right DAT timeline depends on your coursework, application goals, and risk tolerance. For most students, spring or early summer of the application year is the sweet spot. Take the DAT during the summer after your sophomore or junior year, leave at least 10 to 12 weeks before your first application deadline, and book your test date as soon as you know your target window.

Want a schedule that turns your target date into a competitive score? Build it with Crack the DAT.