Cell phones that go off during class have long been a headache for school administrators, but Donna Dickson said a new use for the phones has made her jaw drop.

Over a two-week period this spring, three students in one Shelby County high school were caught sending revealing pictures of themselves over their cell phones.

"Sexting," the practice of sending nude or semi-nude photos via cell phone, is a growing problem across the country and in Alabama.