Dead by the bell (2021)

After Dillon Pratchett, a middle school student at Ridgecrest Unified School district, shows signs of erratic behavior, and signs of illness, she mysteriously goes missing on campus. As the child's step father, Henry Pratchett, a former student of the same school, arrives to the school to pick her up, he is enlisted by the school's principal to help search the grounds for her. While searching for Dillon, Mister Pratchett and Principal Roth try and figure out Dillon's odd behavior.