some info on HSM3:
The tween heartthrobs of 'High School Musical' will dance and sing their way back to Utah to film the third installment of th blockbuster Disney franchise, it was confirmed Friday.
Shooting begins April 21 and is expected to wrap June 13, according to documents. While the first 2 films premiered on the Disney Channel television network, the new movie, scheduled for release sometime in the second half of 2008, will debbut in movie theatres.
Although filmakers are tight-lipped about the script, sources said the third movie has the singing Wildcates seniors graduating from high school. A fourt movie, called "Haunted High School Musical", also is planned.
The first two movis have been a gold mine for Disney, generating merchandising that includes dolls, videos, and a national concert tour. The films have been seen by more than 160 million people in the U.S. and dozens of foreign countries.