A mixed method, sequential explanatory approach provided insights' regarding critical issues relating to K-12 professional growth and development as well as understanding the effect upon their teaching practices and student achievement. The population of this study consisted of a convenience sample that contained a regional group of educators from…

Randomized experiments are often considered the strongest designs to study the impact of educational interventions. Perhaps the most prevalent class of designs used in large scale education experiments is the cluster randomized design in which entire schools are assigned to treatments. In cluster randomized trials (CRTs) that assign schools to…