I dunno. Given the way education is being gutted we could see more of this in the future. It's a glaring symptom of what I call the prisonification of schools in the US. For a long time schools have slowly been getting less and less funding. Lots of students are hardly getting taught anything in the US. Heck, they even have armed guards in a lot is schools now.
I live in an area where houses start at 3 million dollars, and the school is surrounded by 10 foot high iron gates with iron spikes at the top. I do t have kids but no way I would send my kid there. I already hated school, I can't imagine what it's like having to feel like a prisoner every day