This article represents a study in two parts, conducted by two researchers who were interested in learning about the level of implementation of Professional Learning Community (PLC) principles at six high schools. The researchers asked the basic questions: What is being learned about the early days of transition to a PLC? What are the changes that…

The transformation of a high school to a learning community is a slow and challenging process. This study tracked the efforts of teacher and administrative leaders from six high schools who worked to develop professional learning communities. Qualitative and quantitative analyses of interviews with school leaders revealed that the early days of…