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NCLEX Practice-Test Percentile Explorer

A percentile is a rank, not a grade. Move the slider to any percentile and the explorer says what it means in plain English, with 100 dots that make the comparison group visible.

Below it, three meters separate the numbers a readiness screen can show: raw accuracy, CAT confidence, and percentile. It is for anyone who was given a percentile on an NCLEX practice test and is not sure how to read it.

Interactive percentile translator

Move the slider

65th percentile

You performed above the middle of this comparison group.

At the 65th percentile, your result was as high as or higher than roughly 65 out of 100 people in the comparison group.

Three numbers, three different questions
Raw accuracyWhat fraction did I earn?
CAT confidenceWhere is my ability vs. the line?
PercentileWhere do I rank vs. this group?

The bar lengths are illustrative. These measures are not interchangeable and should not be converted into one another with a fixed formula.

What the explorer shows, and what it does not

  • The slider runs from the 1st to the 99th percentile and starts at the 65th, with shortcut buttons for the 10th, 50th, and 90th. The tool highlights that many of 100 dots and restates the rank: your result was as high as or higher than roughly that many out of 100 people in the comparison group.
  • The plain-English line changes at cut points fixed in the tool: 85 and up reads as above most of the group, 60 to 84 as above the middle, 40 to 59 as near the middle, 15 to 39 as below the middle, and under 15 as near the lower end. These are wording bands only, not pass or fail thresholds.
  • It is a translator, not a calculator. It does not take your score, does not compute your percentile, and uses no NurseSavvy or NCSBN data. It does not turn a percentile into a chance of passing.
  • The three meters each answer a different question: what fraction did I earn, where is my ability against the passing line, and where do I rank in this group. The bar lengths are illustrative, and the three measures should not be converted into one another with a fixed formula.
  • A percentile only means something relative to its comparison group, and the people who take a given prep app’s tests are a self-selected group. Nothing you do here is saved, and no account is needed.

The reasoning behind it

Questions people ask

Does the 65th percentile mean I got 65% of the questions right?
No. It means you performed as high as or higher than roughly 65 out of 100 people in that comparison group. Percent correct describes points earned on the items you saw, which is a different number.
Does my practice-test percentile tell me my chance of passing the NCLEX?
Not by itself. A percentile can be a useful second meter next to a CAT confidence signal, but it is not a pass probability. If the two agree, that is reassuring; if they disagree, test again under realistic conditions and look at the difficulty and content breakdown.
Can I use the national NCLEX pass rate to work out a passing percentile?
Only as a rough sanity check, not as an individual cutoff. The shortcut works only if the practice-test group has the same ability distribution as the national candidate population and tests under comparable conditions, and a voluntary prep-app group is self-selected.
What is the difference between percent correct, CAT confidence, and percentile?
Percent correct describes points earned on the items you saw. CAT confidence estimates whether your ability is above or below a passing line after accounting for item difficulty. Percentile compares your result with other people in a defined group.
How should I use a percentile from a practice test?
Treat the first full test as a baseline, compare percentiles only across the same test version and realistic sittings, and look for a trend after focused study. Rank cannot tell you what to study next, so read the topic and domain breakdown too.

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