The purpose of this study was to determine the impact of the professional development training provided by the National Institute for School Leadership (NISL) on leadership behavior in schools. In order to achieve this overall objective, the following research questions framed this mixed methods study: 1. To what degree did the National Institute…

Quantitative research measuring teacher leadership's impact in education is lacking, specifically at the site level. It has been proven time and again that most successful schools have well-established and strong leaders with a great capacity to lead. While the world of transformational teacher leadership is intensifying on many levels, it…