Teach Plus teachers and staff join educators across Massachusetts and the nation in mourning the passing of Massachusetts Commissioner of Education, Mitchell Chester. Teach Plus CEO Celine Coggins recalled Chester as a leader who left his mark on both teachers and students. “Chester’s vision and commitment were instrumental in making Massachusetts the top-performing state in education in the nation. He was a friend to Teach Plus from the time of our founding and a believer that effective, informed teachers need to be at the policy decision-making table. He will be missed.”