After the barb-wire, armed guards, and metal detectors, you almost expect "the hole" as part of the deal, no?
Don't forget the automated ML surveillance of everything students say online.
Actually, if you put kids in there you will probably need barb-wire, armed guards and metal detectors at some point. I mean, who seriously expects that NONE of these kids go mental? "Best" case this ends up with a trauma, worst case one of them will eventually grab a gun (at least the odds increase a lot).