The Social Media Professors community group is for folks teaching (or incorporating) social media into their classrooms. Find the group on FaceBook.
Look up the hashtag: #SMProfs
The group has over 2000 members. The admin is Dr. Karen Freberg who teaches Strategic Communication at the University of Louisville.
The conversations in the group are amazing. Lots of resources, tips for teaching social media marketing, several folks have signed up to be mentors as well. People share google docs, articles, videos etc. to help other professors.