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…

It is widely accepted that professional learning is a crucial aspect of the ongoing professional practice of educators. But how should this professional learning take place, and what arrangements enable and constrain practices associated with educator learning? In this article, we explore two case studies of action research projects: one…