Because you like Twilight Sparkle in My Little Pony
Cady Heron is the new girl in town who's also new to the world of high school, period. See them in Mean Girls.
Years of being the less desirable Vargas sibling have given Romano quite an inferiority complex, as well as the temper to match. See them in Axis Powers Hetalia.
Benji Applebaum is not a total nerd. He also happens to be super into magic. See them in Pitch Perfect.
Undercover as an average high school student, Kallen Stadtfeld is actually most at ease when the action's fast, furious, and dangerous. See them in Code Geass.
Susan Pevensie is sensible, practical, and fiercely protective of those she loves. See them in The Chronicles of Narnia.
Josh Lucas just can't stop hanging around his stepsister's house. See them in Clueless.
Turanga Leela is the daughter of two mutants who live in the sewers below New York City. See them in Futurama.
The Sohma family is just plain cursed, and Yuki Sohma has to learn to live with it – or so he thinks. See them in Fruits Basket.
Suzaku Kururugi defeats enemies with his flashy but deadly jump kicks. But he's willing to sacrifice himself for peace. See them in Code Geass.
Topanga Lawrence has been a put-together intellectual since basically the moment she could talk. See them in Boy Meets World.