Similar to “Heathers” and has some highlights, but it’s not compelling enough After a high school girl (Charlotte Ayanna) accidently dies in a prank, her three besties cover it up (Rose McGowan, Rebecca Gayheart & Julie Benz). They’re forced to allow a shy, unpopular girl into their clique because she knows the truth (Judy Greer). Pam Grier is on hand as a detective while The Donnas perform a couple songs at the prom. “Jawbreaker” (1999) is a black comedy high school flick with similarities to “Heathers” (1988), elements of “Carrie” (1976) and influenced “Mean Girls” (2004). It’s unique…