The House That Screamed (1969)

In a 19th-century boarding school in southern France, a strict and harsh headmistress controls the girls with cruelty and punishment. The school becomes a place of fear and isolation, as the girls are subjected to bullying, humiliation, and mistreatment. As tensions rise, a mysterious person begins to threaten the girls' lives, leading to a series of chilling events filled with danger and darkness.