It’s a no-brainer. Students who are alien and hostile to the education process ought to be removed.
You say, “What will we do with them?” I say that’s a secondary issue. The first priority is to stop thugs from making education impossible for everyone else.
Williams went to an inner-city school in the early ’50s with “the poorest of the poor.” Students didn’t curse or assault their teachers, he says. It wasn’t tolerated.