[XorNot]

Except this is frequently the goal of those children. And so where are you going to send them? To another classroom with other troublemakers, all in one group? What chance would they have?

What everyone is talking around is the fact that the solution to "problem children" in the classroom, if you're removing them, is that you have to spend more money and more time working with them to get them off the "problem" track and re-integrated.

Because that's the stakes: that kid who disrupts the classroom, if you don't succeed, is your future welfare dependency, local crime problem, or incarceration cost and a huge amount of lost tax revenue.

[xenonite]

If the other 20-30 students aren’t able to learn, the stakes are 20-30 times as much (regarding tax income).

[gameman144]

I'm curious though, what's the alternative? Yes, the problem child will cause problems in the future if they're removed from class. But they're also going to cause problems for other kids now, and there's still no reason to think they'd be any less problematic in the future.