Source: http://en.wikipedia.org/wiki/High_School_Musical_2
High School Musical 2: Plot
The musical will take place on Sharpay's grandparents' country club, where she is pampered with her brother Ryan while Troy and Gabriella, now together, have to earn some summer cash as a lifeguard and waitress. Together, they all organize a talent show against a competing country club.
To stay together as a team during the summer, the East High Wildcats get jobs at the Evans' country club as caddies, bus boys, and cooks. Every year the country club puts on a show in which all the club members and employees put on their own acts. Sharpay unites the club members, while the basketball team organizes the employees.
The producer, Bill Borden, has confirmed that Troy will kiss Gabriella[2] and that there will be a musical number that occurs at the swimming pool.
Haunted High School Musical: Info, no plot
Haunted High School Musical, also known as High School Musical 3, is a spin-offfilm of Disney Channel's highly successful High School Musical franchise, slated for release in 2008. According to a story published in Popstar! Magazine, this movie will come out only in movie theaters. It has also been rumored that the film will be the last of the Franchise. Disney has only confirmed one track which was Pre-Recorded during High School Musical 2 entitled "Spooky". Also, it has said that all the original cast will be in the movie.