The core idea of the teacher leader as the instigator of change at the school and system level has been the focus of much contemporary analysis and discussion (Lieberman,Campbell, and Yashkina 2017; Harris, Jones, and Huffman 2017). Many studies (e.g.Brosky 2011; Collinson 2012; Fairman and Mackenzie 2015; Campbell) underline the importance of teacher leadership as influence and agency. There have been numerous studies that describe and outline the way in which teacher leadership is enacted and supported.All the evidence about teacher leadership suggests that teachers, working purposefully,collectively and collaboratively can influence policy and practice in significant ways.