You've got to be able to fire them too, and hold them accountable for their lack of abilities, something the unions, and the politicians they support, work against. Right now, with the amount of money taxpayers are contributing, Americans schools should be the second best after Switzerland. Instead check who they are running behind on this list. However if leftists indoctrination is the goal then they would probably be in the top ten. You can check this out and see if the taxpayers are getting their money's worth.
http://cdn.theatlantic.com/assets/media/img/posts/pisa-2012-results-overview graph 1_larger.jpg
Many cultural activities for any community are money losing propositions, opera, ballet, libraries, cowboy poetry contests, and so on. But people want them and they get a lot of pleasure from them. If they can even come close to breaking even then that is a good thing.
However the federal government is $18 trillion in debt with BHO running up a deficit of $1trillion per year. The electorate should have protested in 2012 but they apparently wanted more of the same, with free contraception and Obamaphones being the main focus of their attention.