Weebly is a do-it-yourself, free website builder. Weebly started back in 2006 and currently host over 20 million websites online.
Weebly Education is an online tool that allows a teacher to create their own web site and student accounts for student blogging or student web sites. Accounts you create for students have privacy controls that you can manage for your students.
Sign up for a Web site at http://education.weebly.com to set up your class site.