This not only applies to education, but to government and any government-funded or dependent organization, including the “arts,” most unions and a whole consortium of other ‘non-profit’ and ‘public service’ organizations.
They collect in these places because these are the only venues where they can use your money to FORCE you to do their bidding. If they had to survive in the free market, they would have gone the way of the dinosaurs by now.
Hey, that brings us back to contradictory principle I was explaining in Evolution and Gun Control. Coolbeans :-)