Cadet Kelly, High School Musical 2 and The Cheetah Girls 2 are all good and highly rated Disney Channel Original Movies. All three place within the top 10 in both premiers and most views within a calendar year out of all Disney Channel Original Movies.
Cadet Kelly follows the story of teenager Kelly Collins (played by Hillary Duff) as she leaves her life in New York City's Greenwich Village for the George Washington Military Academy in Upstate New York, at the behest of her mother and new stepfather. The film had the ninth best premiere out of a Disney Channel Original Movies and has the most views within a calendar year (2002) of any Disney Channel Original Movie ever, as of 2015.
High School Musical 2 picked up where the first film left off, following the stories of the same characters, except during the summer. The film premiered to 17.2 million viewers making it the most watched premier in Disney Channel Original Movie history and has the sixth most views within a calendar year (2007) out of all Disney Channel Original Movies, as of 2015.
The Cheetah Girls 2 follows the Cheetah Girls quartet three years after the original film, as they embark on a tour of Spain. The film has the seventh best premier in Disney Channel Original Movie history and the fifth most views within a calendar year (2006), as of 2015.