This would make a great procedure (Harry Wong). Count to five or hold up one finger at a time when the class needs to refocus. Discuss what occurs for each number at the beginning of the school year and eventually the reaction will be automatic.
Built in tree book shelf - Inspiration Only but this is gorgeous. I so want this in my next home. There is also another tree on my project board I want to put in the same room as this. This would be great for a kid& room.