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 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 ...

One High School Musical cast member in particular shared his love for the dance: Bart Johnson, who played Coach Bolton in the movies. Take a look at how fans reacted on social media.