“We will never make all schools great schools, but all schools would be exponentially better if parents would accept the responsibility of educating their children. Parents put their kids in school when they are six or younger, and that’s the end of their responsibility.”
You need to see “Waiting for Superman”. That will likely change your attitude about blaming parents for the failure of schools.
You need to sit in on some classrooms, and it might change your mind. When teachers spend half or more of their time engaged in behavior control, there is a problem that originates someplace besides the schools.