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…

Background: Cluster-randomized experiments that assign intact groups such as schools or school districts to treatment conditions are increasingly common in educational research. Such experiments are inherently multilevel designs whose sensitivity (statistical power and precision of estimates) depends on the variance decomposition across levels.…

This brochure displays the following data for seven counties in southeastern Wisconsin for the 2004-2005 school year: (1) Total operations expenditures; (2) Property tax revenue; (3) Total enrollment; (4) One-year change in enrollment; (5) Minority enrollment; (6) Free or reduced lunch; (7) Habitual truancy; (8) 3rd Grade Wisconsin Reading and…