I was thinking one place to start is at the National Association for Gifted Children and identify your state organization:
http://www.nagc.org/index.aspx?id=609&gbs

I have a strong sense that my state's organization played a strong role in getting the state to where it is now. Seems like a good level. It also may mean you can do circular pushes: like ask someone in the organization to send information on a certain topic to a school. Our district has parent university courses including topics like meeting the emotional needs of gifted kids.