@ St33med - There was a good discussion a little while ago
about compulsory education; there are some really good links in there. Especially check out the ones with John Taylor Gatto and John Holt. Unschooling isn't what you think it is; here's a post with several links about it, if you'd like to learn more:
Compulsory Public Schooling is Dumbing Down our Kids
I have read where Erin says she's living her passion and purpose, so chooses not to homeschool/unschool with their kids.