A few for that art educator:
https://www.facebook.com/arteducators - NAEA National Art Educator Association
The Des Moines Art Center - has a nice page as well - at school where currently facebook is block, so I could not get the address saved.
Interact Center for Visual and Performing Arts - located in Minneapolis - there mission is to :to create art that challenges perceptions of disability.
https://www.facebook.com/interactcenter