One popular approach to teacher leadership is to identify certain teachers as particularly successful, then have others learn from them. Collaborative leadership, in contrast, looks at leadership as a quality that anyone can have. In this model, the goal is not to figure out who is best. Instead, teachers share their unique talents and interests…

This study focus on the question: "How do high school principals, regarded as having skills in developing the instructional capacity of teachers, exercise their leadership to promote the development of teacher's instructional capacity in three primary contexts; whole school, content department or grade level teams and individually?"…