A lot has changed since High School Musical debuted on Disney Channel Jan. 20, 2006. Head back to East High to find out what Zac Efron, Vanessa Hudgens, Ashley Tisdale and more stars are up to now.

The actor, who now appears on Tyler Perry's 'Sistas,' says he and Efron shared similar interests as teens on the sets of the Disney movies Alexandra Schonfeld is a features writer at PEOPLE.

The Minnesota Vikings’ defense certainly had their heads in the game on Sunday … and they proved that with how they celebrated a big turnover — by doing a “High School Musical” dance!!

The High School Musical: The Musical: The Series cast has offered glimpses into their dating lives over the years. As the song skyrocketed on the music charts, Rodrigo, Bassett and Carpenter ...

This week's iconic movie celebration came from the Disney Channel hit High School Musical. Bynum then posted how the team executed the celebration during the game. While some players fell off ...

Clad in their football gear in the end zone, the players perfectly mimicked the famous “We’re All in This Together” from High School Musical. SportsCenter shared footage of the Vikings ...