In recent years, most states have constructed elaborate accountability systems using school-level test scores. However, because the median elementary school contains only 69 children per grade level, such measures are quite imprecise. We evaluate the implications for school accountability...

The authors provide background on the history and development of community colleges in the United States in the last half century and survey available evidence on the impacts of community colleges on educational attainment and earnings. They also weigh the evidence on the impact of public...