Did you notice she's 17 and a sophomore? I'm no brainiac, but I was 15 when I started my sophomore year in high school, and turned 16 during. You get my point.
Everyone here should see the movie "Idiocracy". I don't know if it ever made it to theaters or if it just went straight to DVD. It's an hilarious and frighteningly...accurate prediction of where we're headed. Read about it for yourself: http://www.imdb.com/title/tt0387808/