To put an end to horror stories like this one. Ronald Bailey is right on the money:
If you ever doubted that the public schools are chiefly run for the benefit of teachers, this article will put those fond delusions to rest. Educating children is an incidental side effect of giving teachers jobs. Of course, not all school systems are as dysfunctional as New York’s is, but the monopoly power of government schools cannot help but foster creeping incompetence and the growth self-justifying educational bureaucracies at the expense of educating students.