My sense is that it's cultural, and not clustering. The kids have an awful lot of academic pressure. In most schools, the mediocre football players just give

My sense is that it's cultural, and not clustering. The kids have an awful lot of academic pressure. In most schools, the mediocre football players just give up on the team. These kids don't feel able to quit the academics. Seeing the guards at the Caltrains is very sad.