Nice brainstorming activity for discussing what a good classmate is, does, and says. Would work well at the beginning of the year.
Middle School Math - First day of school activity
back to school: This is set up for 4th grade but can be used for beginning of the year discussions of expectations.
7 Easy Icebreakers You Can Do With Post-It Notes. Could be great get to know you activities for New Members.
5 Strategies for a SOLID START to your School Year - Middle School Blog Post by Joy Sexton www.teachingelawithjoy.com
D-icebreaker for back to school More
It's the First Day! Now What? Back to School Ideas for Day One!