Eight Keys

Elise has two dead parents, a bully for a lockermate, and eight mysterious doors in the upper story of her aunt and uncle's (modern-tech, as of early 21st century, when the story is set) barn. Her aunt and uncle love her like they would the child(ren) they never had. Her classmate Amanda always drops her books on top of her lunch, but the teacher never cares, it's always "just an accident", day after day after day. One day, she discovers a mysterious key, and realizes that there is a mystery around her. She must unlock the past to ready for the future.