Apple is looking to reward outstanding student developers with a trip to WWDC 2012. Full- or part-time students over the age of 13 may apply. Apple's decision will be based on the following:
Technical ability
Creativity of ideas expressed in products or projects
Prior WWDC attendance
Technical and work experience
Participating students must also be a member of either the iOS Developer Program, iOS Developer University Program or Mac Developer Program, and provide proof of his/her enrollment in school. You'll find all the details here. Good luck!