I don't know about the rest of the country but here, the schools have done a pretty good job of destroying the sense of community. Every year the school board changes school assignments to "close the achievement gap." The way they shuttle those kids around every year, it's a wonder if they have school friends at all. (I get an earful from disgruntled parents every year)
Also...this story from an ex-public school teacher...at the high school his daughter went to one of the athletic teams was in the state finals (girl's soccer, I believe). Do you think the student body turned up to support the team? No way. Just (some of) the kids' parents were there. How's that for community?
A lot of the problems could be fixed by re-introducing a conservative argument into the discussion... If we are missing because we have long-ago abandoned it, these things are bound to happen.
No one has ever liked girl's sports. They throw (kick) like girls. hehehehe