Background: This study explored science teachers' participation in a professional development partnership with informal science institutions (ISIs) designed for urban middle school science teachers, known as the "Urban Advantage Science Initiative." The teacher training involved a whole school focused approach, providing teaching…

Teacher collaboration is often assumed to support school's ongoing improvement, but it is unclear how formal learning opportunities in teacher workgroups shape informal ones. In this mixed methods study, we examined 77 teacher collaborative meetings from 24 schools representing 116 teacher pairs. We coupled qualitative analysis of the learning…

Teachers learn about technology integration through formal, informal, and independent modes, forming their systems of practice for professional learning. Within the context of a technology leadership intervention study, we used multiple linear regressions to investigate relationships between teachers' frequency of participation in each learning…

What is teacher leadership, and what does it look like in action? Part of a qualitative study to better understand how teachers learn to exercise leadership, this article illustrates indicators of informal teacher leadership through the lived experiences of eight practicing elementary and middle school teachers. Characterizing informal teacher…