You can even get seasonal backgrounds. It is so much easier, I think I updated the boards more often because it wasn't as big of a pain to change the backgrounds. Ask students to stuff envelopes with any articles or information that they find during the week on any of the topics posted. Each week, spend about 10-20 minutes going over what each envelope had inside. Archive the information after each week in a location that is then accessible to students.
Topics can change according as issues change.
This is a great way to keep stuednts on track and for teachers to refer to each assignment on each day class is in session. It is a good communication mechanism and reminds students of their responsibility to complete homework assignments or any other assignments that were given during the week. It also gives students a head start on completing any work for the week and helps manage time better. Details under each step can be explained so that students have guidelines. If possible, ask for photos of family members as youngsters and present day photos of family members.