Disrupting class

"Disruption, in the form of online learning, is beginning to sweep through U.S. education," write Clayton M. Christensen and Michael B. Horn, coauthors of Disrupting Class: How Disruptive Innovation Will Change the Way the World Learns. "At a growth rate of over 30 percent per year, online learning has the potential to bring true choice to millions of students and their families by delivering individualized learning opportunities not bounded by school or geography."