In June 2016, the Mastery Collaborative completed its first year as an official program, working with more than 40 public middle and high schools across the five boroughs of New York City to improve, document, and advocate for mastery-based teaching and learning. The collaborative has eight Living Lab schools that practice schoolwide mastery; most…

An obsolete, unworkable approach to achieving high standards is top-down dictation of goals and minimal staff compliance. A constructivist change strategy is based on collaboration. It is an action research and development process enabling everyone to understand the problem, reach agreement on goals, and share responsibility for implementing…