Oil Drip Pan Chalkboards! Spray prime the drip pans with gray primer, and then use latex chalkboard paint. Tape a border around the edge of the drip pan so it will create a 'frame' of sorts. Hang the boards/pans using 3M Command Strips (4 medium sized ones did the trick).
iHelp classroom job chart This was made with an oil drip pan (Walmart- $10), black bulletin board paper and notebook "apps". You can easily create customizable apps from the notebook software. Use magnets under apps to assign jobs to students.