I would suppose home schooling would be the "obvious" answer, although I understand that is not always an option. This is something that needs to be looked into. Possibly like-minded parents can "pool" their kids with a qualified adult to educate the kids. A return to the one room schoolhouses of old.
The one room school house with shared responsibility is an excellent idea.
My great aunt was the first school teacher in Indian Territory, taught school in a barn behind the Overlease Lumber Co. Bartlesville.