What isn’t taught in school, but should be?

How to handle credit

Honestly, people could really benefit from learning a little about other religions besides their own.  Potentially, it could make everyone more tolerant of each other.

The true 12 tribes: 

How to change a flat tire.  I think this should be included in driver education class.

Dealing with Taxes.

Cooking.

Getting a menial job.

Choosing something fun to do that you like, academically.

Proper manners.

I never took a Business class until college.  Understanding how a business works and how even large corporations create jobs that generate income tax revenue even when the corporation itself does not or when its executives take advantage of loopholes. 

Self defense............