High School Musical dude Zac Efron has has signed up with the University of Southern California to study next year.  In 2006 he applied but deferred it because of the High School Musical franchises.  According to a source:

“Zac wants to earn a college degree. Despite his success as an actor, it’s one of his goals.”

Zac himself says:

“I got good grades at school - in fact, you’d have called me a nerd.”

There is no mention of what exactly he would be studying toward.