High School Musical is a 2006 American musical television film produced by and aired on Disney Channel as part of the network's slate of original television films. The first installment of the High School Musical series, the film was directed by choreographer and filmmaker Kenny Ortega from a screenplay by Peter Barsocchini. It stars Zac Efron, Vanessa Hudgens, Ashley Tisdale, Lucas Grabeel, Alyson Reed, Corbin Bleu, and Monique Coleman.
https://en.wikipedia.org/wiki/High_School_Musical