The hidden curriculum: What medical school does not teach you

Summary: Medical school doesn't teach you everything you need to know to be a great doctor. While students spend hours memorizing textbooks, a lot of their success actually comes from the "hidden curriculum." These are the unspoken rules, expectations, and influences in the hospital that no one formally tests you on.

Did you know that subjective grades from senior doctors are actually about 75% bias and noise? Or that older doctors often judge younger trainees unfairly because of "generational bias"—meaning they forget what it was like to be young and think the newer generation is just slacking off?

There are four types of learning in med school:

1. Formal: What is officially in the syllabus.
2. Informal: Unstructured teaching, like chatting during hospital rounds.
3. Null: Important topics that get skipped because there isn't enough time.
4. Hidden: The secret, unspoken rules of success.

To survive and thrive, students have to master these hidden rules. Making a great first impression is huge because of a brain trick called "excessive coherence"—if you look prepared on day one, people will assume you are a superstar all month.

For more details, see kevinmd at kevinmd.com/2026/03/the-hidden-curriculum-what-medical-school-does-not-teach-you.html (opens in new tab)