What if it’s the system that’s the problem? What if the key to breakthrough school improvement is not mandating new solutions built on an elusive combination of the right standards, pedagogy, and assessments but removing entrenched bureaucratic barriers and rethinking restrictive norms and routines? What if we were free to start from scratch? This is the greenfield reform strategy: Create an environment that invites new solutions to surface and provide the infrastructure necessary for them to...