I don't have any funding ideas, but I do know the family that started http://www.theorionschool.org/

You might enjoy emailing her about the process.

My hunch is that there are currently undeserved kids in your area who's parents might provide some support.

Another way to go about it is to start with afterschool enrichment or preschool and grow from there.

Best Wishes,
Grinity

Coaching available, at SchoolSuccessSolutions.com