Apple's annual Back to School promotion is now available and runs until September 6, 2013. Post-secondary students can buy a Mac and get a $100 App Store Gift Card, or buy an iPad or iPhone and get a $50 App Store Gift Card.
Receive your App Store Gift Card with purchase when you buy a qualifying product from one of these stores
Apple Online Store for Education
Apple Authorized Campus Stores
You can use your App Store Gift Card to download apps, music, games, books, and more from the App Store, Mac App Store, iTunes Store and iBookstore.