Have you ever considered home-schooling your three daughters? If so, had you also considered incorporating Dungeons & Dragons into the curriculum? If you have, then you should read THIS. Here's an excerpt:
"My oldest daughter - known on this blog as Elerisa Celerna - expressed concerns over this. When we first got started and I kept changing my mind about what system we would be running (AD&D 2nd Ed., then D20 SRD, and finally Pathfinder RPG), we kept making changes to hers and her sisters' character sheets. The other girls just kind of rolled with it, but Elerisa by nature is a bit of a rules lawyer... "