send a Behavior Plan home on the first day of school, outlining classroom rules, Clip Chart System, expectations, and consequences. The students and parents both have to sign the bottom before returning it to school.
Great use of 7 habits of Happy kids. Instead of working on multiple behaviors all at once which can be challenging with the younger ones, try sticking with one specific behavior goal for the entire week until it's changed. Then reinforce it when appropriate while working on a new one.