This editorial situates the special issue in the context of some of the dominant understandings of teacher leadership that appear in literature that spans several decades and includes comprehensive literature reviews. Then the origins of the International Study of Teacher Leadership are outlined and the process of forming a large international…

The contextual, purpose-driven challenges facing schools and school systems across the world call for creative and innovative responses to revitalize school practices. The process of revitalization will require new thinking, new mindsets within an adaptive school culture and new leadership roles (formal and informal). Often the perception of…

This article presents a comparative analysis of educational policy documents on leadership and teacher development in Spain, Colombia, and Mexico, countries that are represented in the International Study of Teacher Leadership (ISTL) (Webber, 2018). We are comparing public policies in three participating countries that do not declare an explicit…

Distributed leadership is being implemented in many international schools. However, it is unclear how teacher leaders are experiencing interactions with their colleagues within this model of leadership. The purpose of this descriptive case study was to understand how teacher leaders describe their experiences interacting with their colleagues…

This paper reports a phenomenographic study exploring diverse understandings and experiences of teacher leadership among 12 members of the International Study of Teacher Leadership research team comprised of 20 academics located in 10 countries. Mind mapping and semi-structured, online interviews were used to explore the ways that the participants…

This study sought to examine the conceptualization of teacher leadership in official education policies in Colombia with the aim of expanding the notion of this concept and providing information on the qualification of teachers in similar contexts. Content analysis was used to analyze documents focused on the recruitment, selection, and evaluation…

The article explores the validity and reliability of an instrument for measuring for the School Environment (SE) among 3610 teachers in Medellín, Colombia during 2011. A multilevel exploratory factorial analysis established through 20 items that the instrument identifies four dimensions of SE on an individual level: communication between school…