I thought the idea of incremental punishment is good, gradually prolonging the loss of recess time gives teachers and students room to work and improve before giving them a harsh consequence for misbehaving based on the level of misbehavior.
Emergency Sub plan kits! A whole day's worth of plans based around a book. What a genius idea! Now I don't have to drag myself to work sick! (So, I teach middle-school math, but a lot of my friends teach elementary school.
Community Builder: The End of the Day Jar has 24 questions to ask students to get them talking about their school day. This helps build community in the classroom. You can call on students to answer the questions or have them talk with a buddy.