I'll bet that one of the reasons that children in honors courses (AP, IB, etc.) do better and learn more than children in regular courses has nothing to do with

I'll bet that one of the reasons that children in honors courses (AP, IB, etc.) do better and learn more than children in regular courses has nothing to do with the curriculum or the teachers of those courses, but is just due to the fact that they're surrounded by other motivated students and there aren't any disruptive students.