I thought school just let out. Apple apparently can't wait for kids to head back. Apple announced today its annual back-to-school promotion, but unlike years past offered a $100 iTunes gift card to customers who buy a qualifying Mac. In each of the last three years, Apple had given rebates of up to an amount of $249 toward the purchase of a new iPod Touch or other iPods. Students loved this. This year's promotion, which runs through Sept. 20, gives students, parents, teachers and staff members the $100 gift card when they buy a new iMac, Mac Pro, MacBook, MacBook Pro or MacBook Air. Refurbished Macs and the Mac Mini do not qualify for the deal. The gift card can be used for purchases at Apple's digital content marts, including the Mac App Store, iOS App Store, iBookstore and the iTunes store.