re: What do you think about elementary school teacher as a career?

It's a cool job with a lot of time off. If the pay isn't an issue for you which it is not for me, it's a great career with great benefits. Go with your plan of substituting for a while. If you are any good and the least bit competent, you will most likely be offered a job. You'll have to work on certification which is very easy if you already have a degree. Just remember that when kids and parents act out, it's not personal. Grade your papers during your off hour instead of cackling with the hens in the conference room and you will not have to take the work hoe with you.