This study explores boundary-crossing interaction between two grade 5/6 science classrooms that operated as knowledge building communities. The two classrooms studied human body systems with the support of the Knowledge Forum over a ten-week period. The knowledge building practice integrated student-driven inquiry and discourse within each…

This article explores the development of a professional learning community through a case study of three teachers--an ESOL specialist, a literacy specialist, and a fifth-grade teacher--who engaged in co-teaching and collaboration. The emerging community of practice offered these teachers a space to learn and problem-solve by utilizing their…