Such a cool idea! This will help each student feel important, needed, and supported in the classroom. I would maybe allow other students to write complements for their peers as well (but make sure that everyone is included, not just a few people). This can also help to create great bonds between students and teachers. Everyone wants to feel important!
21 DIY Ideas for Decorating Your Classroom: Try some of these fun DIY projects to bring a little more color and life into your dull classroom. Turn boring stools into fun furniture with a little paint. If the school permits it, paint your ceiling tiles. Paint a cabinet with chalkboard paint!