That may be the case with the large city public schools, but in rural counties, a coach dosen't make squat. Say here in Carter County, a coach has one of the lowest teaching salaries in the state, plus the coaching suplament is 500, maybe 1,000 dollors. If a coach/teacher got an offer from a private school (or even another public school system), it would be hard to turn down, especially if you had a family you were providing for...