The 520+ Score Distribution: What It Means
The MCAT is scored on a 472-528 scale, with each of the four sections scored 118-132. A total score of 520 represents approximately the 97th percentile of test-takers. A 524 represents approximately the 99.4th percentile. A 528 (perfect score) is achieved by fewer than 0.1% of test-takers annually. The mean MCAT score across all test-takers is approximately 500-501. For MD admissions context: the average MCAT for matriculants at U.S. medical schools was approximately 511-512 (AAMC data). Top 10 medical schools (Harvard, Johns Hopkins, UCSF, Columbia, Penn, Duke) have average matriculant MCATs of 518-522. Allopathic (MD) school average MCAT medians range from 506 at lower-ranked schools to 522+ at the most selective. For DO admissions: the average MCAT for DO matriculants is approximately 503-505. A 510+ MCAT is highly competitive for most DO programs. The implication for 520+ targeting: students pursuing top-10 MD programs need scores in the 520-522 range to be statistically competitive — below 518 becomes a meaningful application weakness at that tier, which holistic application elements can mitigate but rarely fully overcome. Understanding exactly where you stand relative to target school medians is the foundation of efficient preparation targeting.