Here we go with the excuses and rationalizations.
"Yes, honey, you were butt-raped today but how about that baking soda volcano you made in science today? Wasn't that fun!?"
I would not fault any parent from pulling their kid out of that school because of the violence. But I would also not fault any parent for keeping a kid there because of the excellent chemistry program, or because poverty limited their choices.
Side note: I'm not bragging here. I taught physics at that school, not chemistry.