[s1artibartfast]

It also makes a lot of parents happy. A lot of it comes down to political inertia and the dominance of reactionism.

If you have a system with a dedicated school for violent and behaviorally challenged kids, there would be a much larger number of angry parents reacting to the idea of integrating those students with their children.

[throw9away6]

The happy parents won’t vote in significant enough numbers to offset unhappy ones. Pissed off people vote

[s1artibartfast]

That's my point about inertia