Put student's names on the back of YOUR nametag so that you won't have to worry about finding the list during something like a firedrill. Most brilliant idea ever. (or spelling words on the back of a student tag)
Number magnets to keep track of kids you allow to leave the room. Use a cookie sheet with glass stones glued to scrapbook paper and a magnet. then trim in fun duct tape! (The cookie sheet magnet board is pretty sweet for multiple different crafts.
new student packets. the teacher makes 5 extra of everything at the beginning of the school year so that when a new student comes midyear, she has a name tag, beginning of the year info, labels for folders/journals, etc. for the student.
Use baskets as "drawers" in their desks. Students put their pencil pouch and any "loose" tools in there to keep their desk nice and tidy. Why have I never seen this! I will check on Monday to see if those baskets really fit in their desks