Step 2 CK score percentiles
From the official USMLE Score Interpretation Guidelines (US MD first-takers, July 2022 to June 2025; mean about 250, SD about 15). Enter a score for an instant percentile.
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| Score | Percentile |
|---|---|
| 210 | 1st |
| 215 | 2nd |
| 220 | 4th |
| 225 | 6th |
| 230 | 10th |
| 235 | 16th |
| 240 | 24th |
| 245 | 34th |
| 250 | 47th |
| 255 | 60th |
| 260 | 74th |
| 265 | 85th |
| 270 | 94th |
| 275 | 98th |
| 280 | 99th |
Percentiles describe US MD first-takers nationally. The full predictor shows the percentile for your own predicted score automatically.
Common questions
Is 250 a good Step 2 CK score?
250 sits at roughly the national mean for US MD first-takers, around the 47th percentile. 260 reaches about the 74th, and 270 about the 94th.
What is the average Step 2 CK score?
Per the USMLE Score Interpretation Guidelines, the mean for US MD first-takers is about 250 with a standard deviation of about 15.
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