I thought you were going to go in a different direction with that: recruiting. In States where home schoolers can play on public school sports teams there are cases where the family gets an apartment and one parent and the kid establishes residency for the purpose of being in a particular school district. A notable case in recent-ish history was someone called Tim Tebow in Jacksonville, FLA. It's not a common thing though, far less of a complaint-magnet than the Catholic schools who "recruit" players from all over a city or even region to come be a starter on their football/basketball team...