>> I went to public school as a kid and the disruptive kids were expelled. Not just kicked out of class - totally kicked out of school and told to find a new one! One reason I send my kids to private school is if you don’t want to learn they will kick you out. In public schools today you get a few bad kids and it ruins the whole class.

> The causes and solutions are not as simple as "these kids are bad, kick them out of school", but any solution needs to involve kids who aren't disruptive and WANT to learn getting an environment conducive to that.

But it might not be that much more complicated. It's been a long time since I've been in school, but in our district there was an "alternative" high school, which had a reputation among the kids as the place you'd end up if you were too much of a behavior problem.

That said, the kids at my schools were well-behaved in class and I never knew of anyone specific who was expelled.

If behavior problems are getting more widespread, maybe embracing more of an explicit containment strategy is appropriate.