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.
great back-to-school ideas ~ character bingo freebie + "a great classmate" anchor chart
How to Be a Table with Four Friends. This is possible with WAAAAYYYYY more people. We've gotten about 20 people. Of course it was more of an awkward circle than a table, but it was fun.
Back-to-School Reflection. Students can process and reflect on their first day feelings with this First Day Poem!