In this article, Jason Margolis draws from complexity theory to explore the twenty-year negotiation between formal and informal teacher leadership in research and practice, making the case that there has been a drift toward a conception of semiformal teacher leadership in the field. Through both theory and examples, he illustrates how semiformal…

Some recent district-level teacher leadership programs have incorporated both instructional coaching and formal evaluations into teacher leaders' (TLs) responsibilities, which research suggests could challenge the relational dynamics necessary for effective coaching. Using a sensemaking lens, we conducted a qualitative case study of one district's…

This two-year study examines an emergent model for promoting classroom change amidst systemic professional development efforts--the hybrid teacher leader (HTL). Utilizing ecological and teacher social network frameworks, the relative strengths and weaknesses of educators who both teach and lead teachers are explored. In-depth qualitative data from…

This article examines teacher leader role development and definition by looking at one emergent model of distributed leadership: the hybrid teacher leader (HTL). HTLs are teachers whose official schedule includes both teaching K-12 students and leading teachers in some capacity. Participants included six HTLs across four school districts over 2…