Establish a policy for dealing with incidents in which students break school rules and their inappropriate behavior is showcased publicly on social-networking sites.
Outline clear guidelines for administrators that spell out how schools should discipline students based on information garnered from social-networking sites, and let parents and students know about those rules.
Educate students about online-safety issues and how to use sites such as Facebook and MySpace responsibly.
Have a policy in place for dealing with cyber bullying.
If teachers are using social-networking sites for educational purposes, they should establish clear guidelines for how they intend to communicate with students via those sites.