To estimate a 3-digit score from an offline (Step 2 CK) result, you can use raw percentages and mistakes to find an approximate correlation. Note that NBME Form 9 is widely considered to have a harsher curve than other Step 2 CK forms. NBME Form 9 Conversion Table (Approximate)
| Raw per Block (50 Qs) | Estimated 3-Digit Score (for that block alone) | | :--- | :--- | | 45 β 50 | 250+ | | 40 β 44 | 230 β 245 | | 35 β 39 | 210 β 225 | | 30 β 34 | 190 β 205 | | 25 β 29 | 170 β 185 | | < 25 | < 160 | nbme 9 offline score conversion
: Regression formulas are most accurate in the middle score ranges (210β250). They often lose accuracy at the extreme high or low ends of the spectrum. NBME Form 9 To estimate a 3-digit score
NBME 9 is infamous for having a harsh curve . Students frequently report scoring 10-15 points lower on NBME 9 than on NBME 10, 11, or the Free 120. Why? Pass (196): Requires 122β124 correct (61β62%)