Examples for Acceptable Classroom Use:

Blogs

Class Website

a calendar of class events (including field trips, student birthdays, special events)
a copy of acceptable use policy;
a summary of what the students are learning and what is going on in the classroom;
the week's spelling or vocabulary list;
pictures of the students at work in the classroom;
hotlist of websites for students and their parents to visit;
place for parents to post questions and/or comments;
a list of upcoming deadlines;
assignment expectations and rubrics;
a summary of day' acctivities for absence students.

Class Projects

Wikis

Best Practices for Teachers Using Social Networks for Personal Use