One great way to monitor discipline is to involve your kids in the process. I work with older kids, so their need for “justice” helps contribute to its effectiveness. I hold Court once every two weeks. Kids are required to “dress for success” on the day of court. Otherwise, they are held “in contempt of court.”
You can use the Six Thinking Hats in almost any problem solving activity that you might encounter in the classroom (or in life in general!) Here is an example of a problem solving exercise that I went through with my students two years ago. Its a problem that many teachers will be able to relate to.