**_Schizophrenia or demonic possession (or both)?_** When a troubled teen (Jennifer Stone) shows signs of mental illness, her friends (Janel Parrish), mother (Ione Skye) and a minister (William McNamara) must decide how to effectively tackle the serous situation. Released to TV in 2014, “High School Possession,” aka “High School Exorcism,” is a school drama/thriller featuring paranormal horror in the manner of “The Rage: Carrie 2,” “Satan’s School for Girls” (2000) and “From Within.” While it’s superior to “Satan’s School for Girls,” it’s not quite as good as the other two. The fi...