Highly Accomplished Teachers (HATs) think deeply about skilled pedagogy in ways that illuminate its complexity and the challenges of pedagogical change. The sophistication, breadth, and depth of their thinking often goes well beyond the way that teachers and their responses to professional development (PD) are typically positioned in the…

The vast literature on teacher professional development (PD) often assumes that the success of a PD programme should be measured by the extent to which the participating teachers accept and adopt, often in a relatively linear chain, the programme of learning, paying insufficient attention to how highly accomplished teachers respond to PD…