Supporting high quality teaching is pivotal in improving children's outcomes. Indeed, research tells us that high quality teaching can narrow the disadvantage gap. It is therefore hugely encouraging to see a host of new initiatives and reforms that recognise the importance of teacher quality such as the Early Career Framework and the new National…

Teachers have an important influence on pupils' academic progress, yet the quality of teaching varies widely. Policymakers, school leaders, and teacher educators therefore face the challenge of designing and commissioning professional development (PD) to help all their teachers become as effective as the best teachers. In the last two decades, a…