Bloody Birthday

Bloody Birthday is a 1981 slasher film directed by Ed Hunt and produced by Gerald T. Olson.

Ten years later, A young couple are fooling around in the cemetery at night and are killed, via shovel and jumping rope. The next day, Joyce arrives at the Thomas Jefferson Elementary School where Sheriff Brody is talking to Miss Davis class about murder. He shows the children a handle from a skipping rope and asks if anyone was in the cemetery last night when Ann and Duke were murdered. None of the children say anything and he leaves, saying goodbye to his daughter Debbie. After class, Debbie and her two friends, Curtis and Steven, ask Miss Davis if everyone can be excused for their birthday party next week. The request is denied.Later, Debbie is skipping rope and calls her father outside. Sheriff Brody evades the skateboard, which is supposed to be a trap, and Debbie drops her skipping rope, which is missing a handle. Suddenly, Steven attacks and beats the sheriff with his wooden baseball bat when he bends over. While Steven and Curtis move the body, Debbie spots Timmy watching and she decides to quickly call for her mother. After the sheriffs funeral, Curtis, Steven, another boy, and Timmy are playing hide and seek in the junkyard. While Steven counts, Curtis tells Timmy to get inside a refrigerator, and Curtis locks him in. Timmy manages to escape and returns home where he tells Joyce where he was. Meanwhile, Debbie puts a picture of Miss Davis in her scrapbook, which also contains an article of her fathers murder. That night, Debbie turns off the house security system, and she and Curtis switch his replica gun with the sheriffs revolver. ........

Source: Wikipedia