I've pointed out that, because they have to have fair selection criteria, they can't select only conformist kids. So when non-conforming kids end up there, they are likely to have a very miserable time and may well end up being moved out.
I was about to say, “Well, it’s entirely possible that only the conformist kids go there.” And it is. It’s a famously inflexible place, and most families will have other choices.
But then I thought about that word “conformist”, and I thought, hold on, they’ve chosen to go there, knowing the rules. If they break them because they are “non-conformist”, they can’t say they weren’t warned.
I have no problem with school policies that exclude wilfully defiant people. It isn’t fair on the other children when they are forced to put up with them.