How well do you know the High School Musical stars? - 2.1 out of 5 - 11 votes - - 12 Questions - by: Rachel - Updated on: 2009-02-01 - Developed on: 2009-01-24 - 5,630 takers Hi! Do you want to know if you really know the High School Musical stars? Find out now! Troy, Gabriella, Ryan or Sharpay?