Forget Me Not (2009)

A misfit group of unwitting high school students stumble upon a cursed object, an ancient Aztec Death Whistle. They discover that blowing the whistle and the terrifying sound it emits will summon their future deaths to hunt them down.

After an attack leaves him in limbo -- invisible to the living and also near death -- a teenager discovers the only person who might be able help him is his attacker.

Ten years after an apocalyptic event left the world haunted by ghosts, Veronica 'Ronnie' Calder receives a threatening message from beyond the grave. Joining forces with a mysterious classmate, Kirk, Ronnie descends into a shadow world that blurs the bounds of the living and the dead—and begins a desperate race against time to stop a cunning killer.

High school seniors and best friends, Sonny and Duane, live in a dying Texas town. The handsome Duane is dating a local beauty, while Sonny is having an affair with the coach's wife. As graduation nears and both boys contemplate their futures, Duane eyes the army and Sonny takes over a local business. Each struggles to figure out if he can escape this dead-end town and build a better life somewhere else.

In post–War England, a writer and sometime-ghost hunter investigates a reported haunting at a boys boarding school.

Locked in a school closet during Halloween 1962, young Frank witnesses the ghost of a young girl and the man who murdered her years ago.

A small-town Oregon teacher and her brother, the local sheriff, discover a young student is harbouring a dangerous secret that could have frightening consequences.

Two young women at a prestigious prep school are assailed by an evil, invisible power when they're stranded over winter break.

A creative and driven teenager is desperate to escape his hometown and the haunting memories of his turbulent childhood.

A group of high school outcasts get revenge on the students that torment them.