One problem I noticed with the particular school we were helping to start was that the majority of the parents were technophobic to the point of hysteria: they literally asked me not to bring my laptop to meetings. As far as I can tell, this isn't a necessary feature of such schools. The general lesson, for me, is that in settings like this (e.g., an alternative educational facility bootstrapped by a small community) the school can take on the pathologies of the community, with potentially undesirable results.