If you’re heading back to school this fall, chances are you’ll have to make some timely decisions before you start. Some will be important, like what classes you’re going to take, whether you’ll join band again (all I have to say is BAND GEEKS 4 LIFE!) or whether you can finagle a ride home from a car-owning friend because you don’t have the wherewithal to brave the school bus. (The buses at my school were exactly like Thunderdome! Freshman year in high school, a imply girl practically poured a can of soda on my hair; thankfully, my friend stopped her.)...