From a non-american’s perspective this question is just baffling.
Is high-school that bad of an experience for you guys? Where I come from that’s one of the best times in your life, when you get to hang out with friends and have little responsibility, etc.
About homelessness, that’s another crazy one. People need to have a home and need friends and human interaction. Sleeping in your car without ever interacting with anyone is not a way of life.
Others have also mentioned that prison without people is solitary confinement and that is known to literally drive people mad.
It’s not noticeable in anything