Resume: Cofounder of CSG's online literary magazine, school newspaper writer and editor, peer-nominated member of the Head's Advisory Committee, copresident of Joy Club, vice president of Ambassador Society, box office manager for school performances, violin player, first-degree black belt in Tae Kwon Do, 3.9 GPA

Junior at Columbus School for Girls

Resume: Cofounder of CSG's online literary magazine, school newspaper writer and editor, peer-nominated member of the Head's Advisory Committee, copresident of Joy Club, vice president of Ambassador Society, box office manager for school performances, violin player, first-degree black belt in Tae Kwon Do, 3.9 GPA

Her X Factor: She's currently working with One Laptop Per Child to bring laptop technology to third-world countries

Future ambitions: "I want to be a doctor," Sarah says. While cardiology has piqued her interest, her main goal is to practice on medical mission trips. "I want to be able to help people and make a huge impact in developing countries."

On Sarah: Waverly dress, $244 at Ladybird. Guess peep-toe pumps, $80 at DSW. Henri's earrings, $24 at Henri's Cloud Nine.