There's Someone Inside Your House (2021)
As the countdown to graduation begins, students at Osborne High are being stalked by a maniac intent on exposing their darkest secrets to the entire town, terrorizing victims while wearing a life-like mask of their own face. With a mysterious past of her own, Makani and her friends must discover the killer's identity before they become victims themselves. high school, small town, based on novel or book, coming of age, serial killer, female protagonist, slasher, murderer, home invasion, murder mystery, murder spree