When I was a post-doc, I spent a few months seriously thinking about changing careers and teaching high school. I might have followed through on that plan, too, but I didn't know how to pay for it.
Today, if you have a background in science, technology, math, or engineering, you can retrain to become a teacher and the National Science Foundation will help. The Robert Noyce scholarship program has funds to help ease that transition to the classroom.
From the NSF web site:
The Robert Noyce Teacher Scholarship Program seeks to encourage talented science, technology, ... Read more