Cheerleader Camp

Cheerleader Camp is a 1988 American slasher film produced and directed by John Quinn in his directorial debut, and starring Betsy Russell, Leif Garrett, Lucinda Dickey, and Lorie Griffin. The film follows a troubled young woman who arrives at a cheerleader summer camp for a competition, where a series of murders begin to occur.

Synopsis from Wikipedia, CC BY-SA 4.0. Everything below written here.

Poster © the film's rights holders.