You could say that the school carpool line is a little world unto itself. Parents' personalities are a bit different when they're sitting behind the wheels of their cars and their patience is put to the test. While some relish the time to gab with their friends before the school doors open, others loathe the entire process. As kids head back to school, parents are gassing up their cars and preparing to wait their turns. Before you get in line, check out the moms you may meet there — it will help you decide if you're going to wait in or out of your car!