Educational effectiveness research (EER) has accumulated much knowledge in the areas of school effectiveness research (SER), teacher effectiveness research (TER) and school/system improvement research (SSIR). Yet many schools and educational systems are not making enough use of the material and their insights. The article reviews evidence of…

This article outlines the progress and impact of professional learning communities within, between and across schools, as part of the implementation of whole system reform in Wales. It describes the way in which professional learning communities are being developed to support improvement and change across the education system in Wales. The article…

School-effectiveness and school-improvement researchers are increasingly looking to establish some kind of synergy between their respective fields; however, current attempts lack a clear understanding of organizations. School-effectiveness research tends to emphasize structural dimensions, while the focus in school-improvement work is on…

School effectiveness and school effectiveness researchers have increasingly sought to establish synergy between their respective fields, but differing organizational change perspectives have produced an irresolvable methodological and theoretical divide. Incorporating the "power" concept provides a bridge between structural and cultural analysis…