Regulations of private schools that increase the cost of private education

[Volokh, Eugene]

	Does anyone know of cases dealing with whether particular
regulations of private schools are unconstitutional because they
increase the cost of private education?  I'd be inclined to assume that
the answer, as with abortion rights, is that the regulations are
permissible unless they increase the cost quite substantially.  But I'd
love to see actual cases that deal with this?  Many thanks,`

	Eugene