The challenges of implementing the Common Core State Standards and Science Technology, Engineering, and Math (STEM) provide momentum for facilitating teacher learning far beyond the capacity of current formal and informal professional development in most school districts. The implementation of the curricula that substantially increase the learning capacity and achievement of all our children--or the more powerful curricula that will succeed them--require a solid continuing education for educators. Some teachers can manage on their own, but most educators need help from colleagues who are knowledgeable in the new content and processes. This essay discusses how professional learning has evolved, how decentralization made its contribution, and how to break the boundaries of difficult time restraints created long ago in order to allow strong continuing education to emerge.