MOOCs--massive open online courses--are all the rage these days, with hundreds of thousands of participants signing up and investors plunking down millions to get a piece of the pie. Why is there so much excitement about this new disruptive form of online learning, and how does this model apply to professional learning for teachers? Traditional…

Virtual schooling, in which K-12 courses and activities are offered mostly or completely through digital communication technologies, has become firmly established in K-12 education across the United States. The VS movement continues to expand at a rapid rate, especially at the high school level. The continuing success of VS efforts will require…