In my experience a lot of home schooled fundamentalists go to public colleges and universities for economic reasons. The fundamentalist colleges are more expensive.
Did anyone read about the recent lawsuit brought by the homeschool legal defense foundation on behalf of a German Christian fundamentalist family seeking political asylum in the US because they couldn't homeshool in Germany, where it is illegal. They won.
Homeschooling has been a long term political strategy of Christian Theocrats initiated by the followers of R.K. Rushdoony, a fundamentalist Presbyterian beginning the the later 1950's or 60's. I think our current political climate is a result of this deliberate attempt to breed a generation of ideological theocrats.

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1977 300d 70k--sold 08
1985 300TD 185k+
1984 307d 126k--sold 8/03
1985 409d 65k--sold 06
1984 300SD 315k--daughter's car
1979 300SD 122k--sold 2/11
1999 Fuso FG Expedition Camper
1993 GMC Sierra 6.5 TD 4x4
1982 Bluebird Wanderlodge CAT 3208--Sold 2/13