High School Musical 2 is the sequel to the Disney Channel Original Movie, High School Musical. It debuted on August 17, 2007 on Disney Channel in the U.S., and on Family Channel in Canada. The premiere brought in a total of 17.3 million viewers in the United States -—almost 10 million more than its predecessor —- making it, at the time, the highest-rated basic-cable broadcast in U.S. history. The premiere brought in a total of 17.5 million viewers in Asia—almost 9 million viewers in the Philippines alone - making it the highest rated international cable movie broadcasted in Asian history.

The Wildcats are back. They start off getting out of school, where Shar Pay makes sure Troy has job at her country club. Troy then in returns gets everyone else a job at the country club too. Gabrielle is the new lifeguard, while Troy, Chad, and the others work in the kitchen. At the country club there is a talent show, which Sharpay and Ryan win every year. Kelsie had written a song for Troy and Gabrielle to sing at the talent show, which later on Sharpay takes (at a faster tempo) for her and Troy to sing at the talent show. Sharpay plots to take Troy away from Gabrielle,by getting him a better job than the rest of the Wildcats. Troy starts changing, all for a "scholarship", starting to act like a jerk, which results in Gabrielle breaking up with Troy, saying she doesn't belong there. After Troy loses all his friends, because he began acting like a jerk and had found out that Sharpay had made it where no Junior Staffers can perform in the talent show, he decides to do something about it, and asks for his old job back with the rest of his friends and quits the talent show leaving Sharpay with nothing, since she had ditched her brother to perform with Troy. She then goes back to Ryan, who had been working with the Junior Staffers on an act, who then leaves her saying she always wanted the spotlight, now she has it. Troy ends up doing the talent show, thinking that he would be performing with Sharpay. He learns a new song within a matter of minutes. Written by Anonymous

Troy is offered a job at Ryan & Sharpay's country club and ends up landing jobs for Gabriella, Chad, Taylor, Kelsi, Jason, Martha and Zeke. He is then introduced to Sharpay's parents and realizes that Sharpay can land him many opportunities and even a basketball scholarship. Meanwhile, while Zac starts hanging out with the rich folk, Chad is worried that Zac will forget his friends. Gabriella feels as though she is losing Troy to Sharpay. In the end, Troy will have to learn how to think about his scholarship without losing his friends. Written by zngnn

Good-bye, classroom! Hello, summer! But for Troy, Gabriella, Chad, and Taylor, this vacation is no day at the beach. That's because they're all working at a country club founded by Ryan and Sharpay's family! And with the club's annual talent show right around the corner, Sharpay's competitive instincts are sizzling. She dumps Ryan as her singing partner and starts wooing Troy to join her onstage instead. Gabriella is less than thrilled that Troy has agreed to sing with Sharpay. How could he do that to her? Things are heating up on the lawns of high society. Will Troy and Gabriella realize that they're meant to be? Or is it already too late for them to sing one last song together? Written by jacobsnchz