Emotional intelligence.

Even if they did teach those subjects, the instruction would be unlikely to be any good.

To really learn something, you have to be self-motivated. That can happen in a classroom, but it is not ideal.

Critical Thinking

How to Sell

How the Monetary System Works

Water Purification

Gardening

Composting

Hunting

Shooting and Reloading

Archery

Jiu Jitsu

Orienteering

First Aid & Trauma Care

Medicinal Plants and Home Remedies

The State is never going to teach you the skills you need to make them obsolete. Homeschooling is the answer.