Many countries, American jurisdictions and charter schools have recently embraced longer school days or more time … devoted to core academic classes. Recent research generally supports the notion that additional time raises achievement …. Moreover, it seems likely that the magnitude of any causal link between achievement and instruction time depends upon the …

novel evidence on this topic based on IMPACT, the controversial teacher-evaluation system introduced in the District of …

cause real changes in school quality that increase student achievement over a short time horizon. We also find that parental …

Value-added data are an increasingly common evaluation tool for schools and teachers. Many school districts have …

quality – measured by on-time performance – deteriorates, especially when the airline operates a large share of the flights in …