Earlier quoted context omitted.
At least in America, most teachers are expected to take home work and spend a large portion of time outside of the strict 6-8 school day doing lesson planning, grading, etc. Their wages are quickly approaching what you would expect at a fry cook position yet Wendy's doesn't give you four hours of extra homework a night. We are headed for a giant education crisis because we overwork and underpay under-qualified teache…
All of the most successful teachers I had placed tight boundaries on when they worked. They were organized, fast, and efficient. One history teacher I had only ever gave essay tests. He would have them all graded by 4pm. As one class was taking the exam, he would grade the previous class's essays. He had been a colonel in the army, and so had learned how to be ruthlessly efficient. One of the best teachers I had. Sim…
You're describing efficient people. Unfortunately we do not properly train our teachers because we do not want to properly pay them.