This idea originally came from a presentation at my Level I. The teacher that presented had a poster per class. I liked the idea but I would have had to hang a lot more posters in my hallway. This is what I came up with to fit my situation.
There is a poster for each belt (except rainbow I have to create that poster for next year) and each class is listed at the bottom of the graph. This is a nice way for kids to see how many belts their class has earned.
I used poster board, a graph easel pad, a glue stick and markers to create my posters. The easel pad paper had to be cut a bit to fit on the poster board. I used our large paper cutter so that I would get a straight edge. I had the posters laminated at Office Max so that they would be sturdier.
At the end of the year the top earning class in 4th grade and the top in 5th grade each get an ice cream party. It's great motivation and a nice way to recognize a class that may not have earned a group award earlier in the year.