by Michael Horn
"Now this doesn’t mean that professional development is pointless. The role of the teacher changes dramatically in blended-learning models designed to personalize learning for students. Many teachers in blended-learning schools say that roughly 5 percent of their teacher preparation prepared them for what is now 95 percent of their job, and 95 of their teacher preparation prepared them for what is now 5 percent of their job. They legitimately need to build new skills to be successful in these new models.
"But that shift happens only once the model is in place. The new skills often do not make sense in the old models. There isn’t time for teachers to do them so they create more work and complicate teachers’ lives. In new models designed to personalize learning, these new skills fall into place far more naturally. It just doesn’t make sense to carry on old practices designed to teach large batches of students."