Why Did I Fail the ARRT Registry?

Failing the ARRT Radiography exam is not the end of your eligibility. You get three attempts within three years of the date your first exam window opens, and after a first or second unsuccessful attempt a Reapply button simply appears on your ARRT dashboard. There is no mandatory waiting period to sit out — you reapply, pay the fee, and get a new window.

That is the procedural answer, and it is the one most people need first. The rest of this page covers what your score report is actually telling you, the deadlines that catch people out, and the honest part: why capable technologists fail this exam, and what to change before attempt two.

First, read your score report properly

The single most misread number on the report is the passing score.

You need a scaled score of 75. The scale runs from 1 to 99, and 75 is not 75%. A scaled score adjusts for the difficulty of the specific version of the exam you sat, so that a 75 represents the same level of performance no matter which version you got. The number of questions you had to answer correctly to reach it is not fixed and is not published per version.

So "I got a 71, I was four questions away" is almost certainly wrong. You do not know how many questions a four-point gap represents.

Section scores are diagnostic, not arithmetic

Your report also gives section scores, reported from 0.1 to 9.9 in tenth-point steps. Read them like this:

Two things follow. First, you cannot reconstruct your total from your section scores, because the sections differ in length. Second, section scores come from fewer questions than the total score does, so they are less reliable than the overall number. Treat a low section as a strong hint about where to work, not as a precise measurement.

That said, the hint is the most valuable thing on the page. It is the only individualized data you will get about your own exam.

How soon can you retest?

There is no enforced cooling-off period between attempts. The sequence is:

1. Reapply from your ARRT dashboard and pay the reapplication fee. Every attempt requires a new application and a new fee.
2. Wait 24 hours after your Candidate Status Report appears in your account before you schedule your appointment.
3. Schedule within your new exam window, which runs 365 calendar days. Applying online, the window opens within two calendar days of ARRT processing your application.

In practice the limit on how fast you retest is processing time and how ready you are — not a rule.

Resist the urge to rebook immediately. The window is a full year. Booking for three weeks from now because you want it over with is how a second attempt turns into a third.

The three-year, three-attempt limit

The three-year, three-attempt limit has several edges:

• Three attempts, three years, counted from the date your first exam window opens.
• State licensing attempts count. If you took an ARRT exam as a state licensing candidate and you also apply for ARRT certification in that same discipline, those attempts count against your three. A passing score earned as a state candidate cannot be used to obtain ARRT certification.
• A window that closes unused is not an attempt. If you never schedule and sit the exam, you forfeit the application fee, but it does not burn one of your three tries.
• The 30-day deadline. ARRT must receive your reapplication and fee at least 30 calendar days before your three-year eligibility period expires. Miss that, and reapplying is no longer the remedy.

What happens after a third unsuccessful attempt

If you do not pass on the third try, ARRT posts requalification information to your dashboard.

Be clear about what requalifying involves: you have to meet the initial eligibility requirements again, including completing an educational program that ARRT verifies, and then apply and pay the application fee again. It is not a form. It is the program.

This is the real reason not to rush attempts two and three. The gap between "I have two tries left" and "I have to repeat a program" is much larger than the gap between testing in six weeks and testing in four months.

Check whether the content specifications changed

ARRT updates its exam content specifications periodically, and it explicitly advises comparing the current specifications against the ones you used before if you plan to retake. Content moves between categories, topics get added, and topics get dropped.

If you prepared from a document, a course, or a prep app that was built against an older specification, some of the mismatch between your studying and your exam may not have been your fault. Worth confirming before you rebuild your plan. We keep a breakdown of what changes in the next specification and which exam you will actually sit.

So why do people actually fail?

The procedural answers above are the easy half. Here is the harder half, and none of it is about intelligence.

Recognition mistaken for recall. Reading a chapter and nodding along produces the feeling of knowing without the ability to retrieve. It is the single most common failure mode on this exam, and it is invisible until test day. The fix is retrieval practice — closing the book and producing the answer — rather than more reading. We wrote up the evidence on what actually works.

Practice banks that run softer than the registry. Scoring 85% on a prep app and then failing is extremely common, and it usually means the bank was easier, or you had already seen the items. A score only means something on full-length, timed material you have not seen before. Here is how to read a mock exam score honestly.

Underweighting Procedures. Positioning is 66 of the 200 scored questions — a third of the exam, and the largest single block. It is also the material students most often leave until last because it feels like memorization. See how many questions are on the exam for the full category split.

Studying breadth-first instead of gap-first. After a failed attempt you have something you did not have the first time: section scores pointing at your weak categories. Rebuilding a general study plan ignores the one piece of personalized data you own.

Sources that disagree. If two prep sites gave you two different answers to the same question, you did not have a knowledge problem, you had a sourcing problem. Facts on this exam come from the published radiography textbooks and the ARRT content specifications, and anything that cannot be traced back to those is noise.

What to do this week

1. Do nothing for a few days. Failing a board exam is genuinely painful, and decisions made in that first week tend to be bad ones. The window is a year.
2. Write down your section scores before the report stops being the first thing on your mind. They are your study plan.
3. Compare the current content specifications to the ones you prepared from.
4. Pick your two weakest sections and rebuild them from source material, with retrieval practice, not re-reading.
5. Only then book the date — far enough out that the plan is finishable.

Failing this exam is a common experience and it is a recoverable one. The people who pass on the second attempt are, overwhelmingly, the ones who changed their method rather than just repeating it with more hours.

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Retake rules, scoring, eligibility deadlines, and requalification requirements on this page come from ARRT's 2026 Primary Eligibility Pathway Handbook (sections on establishing eligibility, your exam appointment, and about your score). ARRT can change its policies — confirm the current rules and your own deadlines in your ARRT account before you act on them.