UWorld % correct vs real Step 2 CK scores

Based on 1,972 real score reports. UWorld % correct correlates with the final score (r = 0.57), although individual results vary widely. Students who went on to score 250+ averaged about 71%; those who scored 260+ averaged about 73%.

The lookup shows a group average. The main predictor uses all of your assessments and their timing.

5060708090225235245255265275UWorld % correct%Actual Step 2 CK

Each dot is one real report. Hover or tap a dot to see that person's full test list. r = 0.57, n = 1,972.

UWorld % correctAverage Step 2MedianReports
45–54%24224463
55–59%248249182
60–64%252253337
65–69%256257465
70–74%260261397
75–79%264264297
80%+268269229

Does a second pass help?

Among students with the same first-pass accuracy, those who did a second pass scored +5.0 points higher when the first pass landed at 55–64%, +3.4 at 65–74%, and 0.0 at 75%+ (248 second-pass reports). Below 75%, a focused second pass of weak material was associated with higher scores. At 75% and above, practice exams were more informative than completing more questions. See the score-improvement analysis.

Common questions

What UWorld % correct do you need for a 250 on Step 2?

Students who scored 250 or higher averaged about 71%, and those at 260 or higher averaged about 73%. Individual results vary widely, so these averages should not be used as cutoffs.

Is UWorld % correct a good predictor of the real score?

It correlates with the real score (r = 0.57), although practice exams predict better. The main predictor can include this percentage alongside NBME or UWSA scores.

Combine your scores

Combine your practice scores and test dates in the full predictor. Open the predictor →

Charts & guides

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