Students Lobby on Social Media Issues
Twelve Things Students Should Never Do on Social Media
Schools and Online Social Networking ( I don't see a date on this. It may be a bit old...but some great info.)
When do students and teachers cross the line through social media?
Teen Tech Weekly has some great articles that students could use for discussions, debates or position papers....
A great series of lessons

Social Media Blog

Students and Social Media - how it affects college recruitment... and job recruitment
Social Media and Teaching
Forbes Magazine -3 Reasons You Should Quit Social Media In 2013 more great debate and discussion ideas
Gov Cases - US Courts Social Media and Student Speech - Real life scenarios
California's New Online Privacy Laws
The ACLU's dotRights Blog

Curriculum Sources
Journalism Education Association Digital Media - Their whole course is here...
Common Sense Media - course on Digital Literacy and Citizenship