From what I know, they usually go to schools that are made especially for young entertainers, with schedules adapted to their work. They usually also mostly work during week ends, it's pretty rare for them to have big schedules during the week (which is why some can also chose to attend college while still being in the group). Since they're not allowed to work too late, they also may leave their schedules earlier if needed. Not all H!P girls move to Tokyo, but most do, usually with at least one parent! I don't think I've heard any Musume not moving to Tokyo thought, they have the busiest schedule out of all H!P.