Review for my favorite book

I loved this book. She was raped at a party. When she called the police they came and arrested people at the party and she lost all of her friends. So she goes around alone. She decorates a school closet so it can be a place for her to be alone. An old friend of hers starts to become friendly with her again. Then the guy who raped her at the party tried to rape her again in a school closet. She finally speaks up then one of her friends hears her scream and he stops. She finally spoke and it worked out well for her.