Due to scheduled maintenance on Friday, December 20 from 7 pm – 8 pm EST, the NBOME portal may experience a potential outage. We apologize for any inconvenience.
Percentile Score Converter
This tool will convert a three-digit COMLEX-USA score into a percentile based on the cohort of students who took the examination.
The NBOME supports a holistic review of candidates for residency, in accordance with the Coalition for Physician Accountability’s UGRC recommendations. With growing support for the equivalent use of COMLEX-USA and USMLE for residency applications, the NBOME provides this tool to help anyone who wants to better understand COMLEX-USA scores.
How to Use the Percentile Score Converter
- Enter your three-digit standard score into the respective field
- Select the examination level being converted using the drop-down menu
- Select the date the examination was taken using the drop-down menu
- Click the “Convert” button
- The corresponding percentile score will appear on the right
Please note:
- An interim percentile score is available for candidates who have taken/will take Level 2-CE in the 2024-2025 testing cycle. These candidates should select the date range beginning with June 2024 when checking their percentile. These percentiles are preliminary and subject to change, as final percentages will not be available until the current testing cycle ends on April 25, 2025. We encourage candidates to check their percentile again after that time.
- COMLEX-USA Level 1 transitioned to reporting only Pass/Fail scores as of May 10, 2022. Percentile conversions for this examination are therefore only available through the 2021-2022 testing cycle.
This tool will convert a three-digit COMLEX-USA score into a percentile based on the cohort of students who took the examination. It can help users to understand what a score means relative to other applicants’ scores within the same testing cycle.
At the end of each COMLEX-USA testing cycle, three-digit scores from all candidates testing in that cycle are used to calculate percentiles for that cohort. (Note: Typically, the NBOME updates the percentiles in July/August when the complete testing cycle data is available.)
Percentile scores are dependent on the performance of all candidates in a given testing cycle; therefore, three-digit scores for a given Level examination may correspond to different percentiles for different testing cycles.