All the Rage by Courtney Summers

The sheriff’s son, Kellan Turner, is not the golden boy everyone thinks he is, and Romy Grey knows that for a fact. Because no one wants to believe a girl from the wrong side of town, the truth about him has cost her everything—friends, family, and her community.

Branded a liar and bullied relentlessly by a group of kids she used to hang out with, Romy’s only refuge is the diner where she works outside of town. No one knows her name or her past there; she can finally be anonymous. But when a girl with ties to both Romy and Kellan goes missing after a party, and news of him assaulting another girl in a town close by gets out.. Read more.