The authors have noticed, especially over the last few years, a growing number of urgent tasks and issues straining already overburdened educators. Instead of easing workloads, professional learning seemed to pile on more, leading to its abandonment. The trend in low implementation became clear as professional learning participants struggled to…

The goal of this meta-analysis was to examine whether there is a significant relationship between professional learning that is aligned to Standards for Professional Learning and teacher instruction and student achievement. Using a cutting-edge method called a mediation-meta-analysis, the authors were also able to examine whether changes in…