Witch Queen

Lucy is sent by Aslan to look after Hogwarts. She is sent away from her siblings, and her country. She has to deal with wizarding tournaments, and with a certain blonde-haired prat named Malfoy. On the way, Lucy befriends the Golden Trio, and she learns more about magic. After Prince Caspian, and at the start of Harry Potter Series. Mainly during Goblet of Fire. Rated T for caution