Just over a decade ago, online learning dropped into the domain of science fiction for many educators. Students ' visions of accessing a variety of lessons on their systems, interacting online with educators, and engaging in virtual "field trips" seemed more fantasy than fact.
But in 2012, with advances in the availability, quality and usability of electronic devices, nearly 2 million students are taking online courses. This Topics section examines the rise of online education through research, reporting, and other resources.
Online learning is now a widely available option for students across the globe looking to make up credits toward graduation, to take courses not available in their local universities, or get a jump straight to college through dual-enrolment programs. Online learning is no longer the novelty it once was. Increasingly, advocates are making the case that digital learning can play a leading role in addressing a range of challenges facing in education
