Like most parents, there is a strong concern for the level of privacy that their children have on Facebook.
This site gives a nice explanation about how to Lock Down their profiles to avoid unwanted attention from strangers or Non-Friends in Facebook language. This 1 webpage document will explain each of the privacy settings. You may wish to work with your children on this.
Students will also be given this document.
Click this link for a 32 page guide on the safety of online social networking
Source: ConnectSafely (ConnectSafely.org)