Sharpay's house is the same house used in Confessions of A Teenage Drama Queen,where Megan Fox's character, Carla Santini lives.
Vanessa Hudgens expressed interest in making a cameo appearance in the film. However, Ashley Tisdale told MTV on May 21, 2010 that Hudgens would not appear in the film because she's "too busy promoting films and stuff" but announced there will be a special guest appearance.
Ashley Tisdale and Austin Butler both starred in the film Aliens in the Attic (2009), playing cousins.
The first Disney Channel Original Movie to be released on DVD before being broadcast on Disney Channel.
Lucas Grabeel: He reprises his High School Musical role of Ryan Evans (Sharpay's brother), in a scene added to the end of the film for the Disney Channel broadcast a month after the home video release. The scene is not featured on any DVD or Blu-ray release of the movie, not even as a bonus feature.