Question: What was the name of the fictional high school attended by Charlene "Cha Cha" DiGregorio, Danny, and Sandy in Grease? 
Sentence (from "Grease (film)"): Written by Bronte Woodard and directed by Randal Kleiser in his theatrical feature film debut, the film depicts the life of Rydell High School students Danny (John Travolta) and Sandy (Olivia Newton-John) in the late 1950s.
Relevant evidence: Yes