What are they doing? Mostly nothing.  The bigger schools tout large university access to other academic areas, while the small schools have set up reciprocal arrangements with large universities for the same; many have community outreach programs.  Some offer degrees in Arts Administration.
In general, the big universities tend to do nothing, while the conservatory-style schools are involved in outreach.  Notably, the further down the list you go, the less they do.
Competitive Analysis:
Top 20 Music Schools
Conclusions