What high school did Danny and sandy go to in grease?

In the musical and film "Grease," Danny Zuko and Sandy Olsson attend RyDELL High School. The school serves as the central setting for much of the story, showcasing typical high school experiences and the social dynamics of the 1950s. RyDELL High is depicted as a place where various cliques and characters interact, contributing to the film's themes of love, friendship, and teenage rebellion.