Buried Alive

Also known as Todesschrei im Mädchenpensionat, Lost Girls, Θαμμένος Ζωντανός, Edgar Allan Poe's Buried Alive, エドガー・アラン・ポー 早すぎた埋葬

“The Dead Return!”

A young woman goes to teach at the Ravenscroft Institute, a spooky old girls' school overrun by ants and staffed by some unusual types. Spurred on by a series of horrific hallucinations, she begins to investigate the mysterious disappearances of several students.