Centerness is defined as a quality of multi-agent systems (groups) where agents share a common set of system goals and interact so the system will achieve those goals. A pair of measures is identified to capture the two dimensions of centerness: distance-weighted fragmentation and average goal centerness. As a case study, the measures of…

The stakes are incredibly high in California to provide access to a high-quality education in a safe environment for all students. As districts across the state resumed full-time instruction and began the task of pandemic recovery, members of the California Collaborative on District Reform convened three times in 2021-22 to continue and deepen…

As researchers, decision-makers, and practitioners focus on continuous improvement in education, local-level change is gaining importance. Yet, many local school improvement efforts fail to be fully implemented. Even those that are fully implemented often fail to sustain improvements because the schools are embedded in systems that face multiple…

We examine the distinction between teaching and teachers as it relates to instructional improvement. Drawing from work outside of education on improvement systems and from analyzing the Japanese system of lesson study, we contend that a focus on teaching can shape a coordinated system for improvement whereas a focus on teachers, common in the…