Today the Clayton Christensen Institute published its fourth major paper on K–12 blended learning, titled “Is K–12 blended learning disruptive? An introduction to theory of hybrids,” Michael B. Horn reports for Forbes. Clayton Christensen joined Heather Staker, who has authored all four of our papers, and me in writing this paper, which takes a different approach from our past discussions of blended learning. Whereas our past work took a descriptive approach in defining blended learning, in this paper we analyze blended learning for the first time through the lens of disruptive innovation theory to help people anticipate and plan for its likely effects on the classrooms of today and schools of tomorrow…