Look around the room. Look at the guys and girls sitting next to you, in front of you, across the room from you. Think. Do you really know that much about them? Sure, maybe the red head behind you gets straight A's, or the tall guy in the green shirt is the star of the basketball team. But do you really know them? You may think that you do, but you probably don't know the half of it. That A student might have a drunk for a father, or the brunette's mom is abusive, or the basketball player might be on drugs. Wouldn't you like to know if your classmates were druggies?…