Scream (1996)

The Scream franchise is now up to 4 movies, but the original Scream movie is a Halloween classic.
The Ghostface killer that reappears in the subsequent movies makes its first appearance in this movie, killing teenagers living in a small town. A girl and her friends set out to find him, but not everyone survives.
Halloween (1978)

"The Night He Came Home/The Trick Is To Stay Alive"
―Halloween tagline
Fifteen years after murdering his sister on Halloween night 1963, Michael Myers escapes from a mental hospital and returns to the small town of Haddonfield to kill again.
Warm Bodies (2013)

Warm bodies is the perfect Halloween movie for hopeless romantics!
After a highly unusual zombie saves a still-living girl from an attack, the two form a relationship that sets in motion events that might transform the entire lifeless world.
Carrie (2013)

In few words so creepy but so good
A shy girl, outcasted by her peers and sheltered by her religious mother, unleashes telekinetic terror on her small town after being pushed too far at her senior prom.
The Conjuring (2013)

The Perron family moves into a truly freaky-looking house in Rhode Island when increasingly strange things begin happening to them. Desperate to get rid of their tormenter, the Perrons call on the Warrens to investigate. What they find is straight out of your nightmares!