the largest one for education is www.classroom20.com/

We are using a ning for our district's teachers to become familiar with the social networking concept. It is a super easy tool to setup!

ning is fantastic... I am apart of the classroom 2.0 movement too...

Here are a few more: podstock.ning.com

artsnacks.org

jakerayfish: fantastic resources...

Thanks a bunch. Sounds great. I think I may start one for the Kansas Career Pipeline!

the South Central Kansas Writing Project uses it for our base for summer institute. check out sckwritingproject.ning.c...