Ben OConnor, BSN
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8/2/2025

The NCLEX Shutting Off at 85 Questions Is Usually a Good Sign
If your NCLEX-RN exam stopped at 85 questions, there is roughly an 85% chance you passed. This is not a guess -- it is based on the mathematics of the Computerized Adaptive Testing (CAT) algorithm that powers the exam.
The NCLEX-RN has a minimum of 85 questions and a maximum of 145. The exam stops when the algorithm is 95% confident in its pass/fail decision. Stopping at 85 means the algorithm reached that confidence level as fast as possible -- and statistically, that strong early confidence correlates heavily with passing.
How the CAT Algorithm Decides to Stop
The NCLEX uses a sophisticated adaptive testing model called the Rasch measurement model. Here is how it works:
1. Your first question is at a medium difficulty level
2. If you answer correctly, the next question is harder. If you answer incorrectly, the next question is easier.
3. After each answer, the algorithm recalculates your estimated ability level and its confidence in that estimate
4. The exam stops when one of three conditions is met:
- The algorithm is 95% confident you are above the passing standard (PASS)
- The algorithm is 95% confident you are below the passing standard (FAIL)
- You reach 145 questions (decision made by final ability estimate)
- You run out of time at 5 hours (decision made by ability estimate at that point)
Stopping at 85 means condition 1 or 2 was met at the earliest possible point.
The Statistics: What Percentage Pass at 85 Questions?
Based on NCSBN data and analysis of test-taker outcomes:
- **First-time U.S.-educated candidates who stop at 85**: approximately 85-87% passed
- **Repeat candidates who stop at 85**: approximately 70-75% passed
- **International candidates who stop at 85**: approximately 65-70% passed
The reason the pass rate is not 100% at 85 questions: the algorithm can also be 95% confident that you failed at 85 questions. If a candidate consistently answers below the passing standard from questions 1-85, the algorithm has enough data to make a confident fail decision early.
The key indicator is not the number of questions -- it is the difficulty trajectory. If you felt the questions were getting progressively harder and more complex, that is a stronger positive signal than the question count alone.
What About 86-145 Questions?
Getting more than 75 questions does NOT mean you failed. It means the algorithm needed more data to reach 95% confidence. Many candidates pass at 80, 90, 100, or even 145 questions.
The algorithm continues when your ability estimate is hovering near the passing standard -- you are answering some hard questions right and some wrong. This is actually common and completely normal.
Students who pass at 145 questions passed by the exact same standard as students who passed at 85. There is no difference in the license you receive.
While You Wait: What to Do (and Not Do)
Results typically appear in 24-48 hours. During this time:
**Do not** try the Pearson VUE Trick (PVT) obsessively. While the trick has some correlation with results, it is not official and causes unnecessary anxiety.
**Do** check your state board of nursing website. Some states (like California) post license numbers before you receive official NCLEX results.
**Do** remember that the exam is designed so that 87% of first-time U.S.-educated candidates pass. The odds are strongly in your favor.
**Do not** analyze which questions you think you got right or wrong. The adaptive nature of the exam means the difficulty of each question matters more than your subjective sense of how you answered.

Catherine Cantrell, MSN, RN
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