If you're a DO resident staring down COMLEX Level 3, you already know the pressure — but do you actually know what's on it, how it's scored, or why your study strategy from medical school won't cut it here? This guide breaks down everything from the two-day format to score release timelines to the resources that residents swear by.

Passing COMLEX Level 1 might sound straightforward with a ~90% pass rate — but that remaining 10% carries consequences that follow you for the rest of your medical career. We break down exactly what's changed since the pass/fail shift, what the exam actually looks like in 2025–2026, and the study strategies that separate students who pass confidently from those who don't.