How life works in general, things that you’re required to do or expected to understand as an adult. For example, different types of bank accounts, credit card fees, how credit scores work and what they’re used for, how government and elections work and how these impact people’s actual lives (beyond just submitting your vote and naming the branches of government), how to read a food label and why they should (this might get a small section in health class), how health insurance works, etc.

Basically just how our society is structured and what that means for the individual.