“The purpose of this Facebook page is to facilitate communication between the School District and students, parents, and the public in furtherance of the District’s educational mission. The messages or other content posted on this Facebook page by users do not necessarily represent the views of the District. The District may take actions to regulate the posting of content by users consistent with the Facebook rules of service and in accordance with applicable laws, including the removal of prohibited content and/or banishment of users from accessing this Facebook page. Prohibited content may include, but is not limited to, content which is defamatory, consists of fighting words, contains threats, or is obscene.”