It's a combination between a problem with the schools and the home. But I think more so a problem of the home.
My wife and I are both invested in our daughter's education. So the teachers know that we WILL be at every parent teacher conference, we attend most school functions, including monitoring on field trips when we can, we WILL review her homework EVERY NIGHT, we WILL be at the school the day after anything inappropriate occurs, whether the actor be the teacher or our daughter.
And, because of our investment, our daughter knows that she had better toe the line; as do her teachers.