Team - Classbuilding Ideas + People Hunt : Students search for classmates who have matching characteristics and record their answers on this form. A good little Icebreaker during the First Week of School.
Hook Them from the First Day ... Tips for Back to School
Make and put on the door - Teach-A-Roo: Ticket Out the Door! This can be used as an exit ticket. You could put critical thinking or math on the door. This gives the students something to do when waiting at the door.