EA Exam Score 100: How Many Questions Missed?

If you got a 100 on EA Exam Part 1 under the prior Prometric 40–130 scale (in effect through Feb 2026), you did not pass because the passing score on that scale was 105. (For the 2026–27 PSI cycle the scale is 200–800 with 500 to pass.) But you also cannot convert that 100 into an exact number of missed questions because the IRS uses a scaled score, not a simple raw percentage.

Why a 100 Score Doesn’t Equal a Set Number Wrong

Under the prior Prometric system (through Feb 2026), the Enrolled Agent exam was scored on a scaled range from 40 to 130, with 105 to pass. (PSI's 2026–27 cycle uses a 200–800 scale with 500 to pass.) That means your final score is not a direct “you got X out of 100 correct.”

Why? Because different exam forms can vary slightly in difficulty. Scaled scoring is used to make scores comparable across different versions of the test. So even if two candidates both score 100, they may not have missed the exact same number of questions.

That’s the key point: there is no reliable formula to reverse-engineer a scaled score into an exact number of missed questions.

What a 100 Usually Means

A 100 is still close enough to passing that your base knowledge is probably stronger than you think. It usually suggests one or more of these happened:

• You knew a lot of the material but had weak spots in a few topics
• You lost points to rushing or second-guessing
• Test anxiety affected otherwise familiar questions
• Time management hurt you late in the exam

That’s especially common during busy season. Many EA candidates are studying while preparing returns, managing clients, and working full-time. A near-passing score often says more about exam execution than lack of ability.

What to Do Before Your Retake

Instead of trying to estimate how many questions you missed, focus on what will move your score above the passing mark (500 on PSI's current 200–800 scale) next time.

A practical retake plan:

1. Review your weak content areas from Part 1, especially topics you hesitated on.
2. Practice under timed conditions so you get used to making decisions without spiraling.
3. Work mixed-question sets instead of only reviewing notes.
4. Slow down on easy questions just enough to avoid avoidable errors.
5. Expect anxiety and plan for it with a pacing strategy.

One note on the example in the source post: gift tax questions can be tricky because tax-year amounts can change, so on the actual exam always answer based on the facts and year presented in the question.

If you’re preparing for a retake, targeted practice can help more than rereading. Enrolled Angel at enrld.com has Part 1 practice questions, mock exams, and spaced review that are useful for tightening up weak areas while studying around work.

Practical Takeaway

You can’t know exactly how many questions a 100 means you missed on the EA exam. What you can know is that a 100 is within reach of passing, and with better timing, calmer decision-making, and focused review, your next attempt can look very different.