Son is not required to teach but he did agree to be at the school on a regular basis through the week. He usually works 3 1/2 days a week and is in the school on game days 1/2 a day and the whole day on Friday. During the winter he is usually there 2-3 days a week. He has a degree but not a teaching certificate. I've never heard of a school that will not use teachers from other schools in their district.