Perras

Perras is a 2011 Mexican drama film directed by Guillermo Ríos based on the play of the same name. Its plot revolves around 10 schoolgirls who are all suspects of something terrible that happened at school, focusing in the memories and feelings of each girl. This is the device that gives us a glimpse of the ethics, games, aesthetics and eroticism of these girl-women.

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