Calendar: Great classroom organization tip! Put calendar numbers or words on large rings--everything flips. No more boxes/files to store extra numbers or words. Make a few blank cards on the rings too, so you can change things up when necessary.
Kindergarten Author Study: Clement Willems - would be cute to do the reverse and have the first day with all the days of the school year and take on off for each day, like a count down instead of a count up!