It is only because high school is the default that those who choose other options feel isolated. Those >25 usually find friends without resorting to spending m

It is only because high school is the default that those who choose other options feel isolated. Those >25 usually find friends without resorting to spending most of their day in the same overcrowded fishbowl. If 16 year-olds were spread out across various activities, they would make the effort to find each other, but it's easy to exclude those few kids who aren't seen at their lockers everyday when school is the norm.