Teaching may be the most-scrutinized occupation in the economy. Over the past four decades, empirical researchers — many of them economists — have accumulated an impressive amount of evidence on teachers: the heterogeneity in teacher productivity, the rise in productivity associated with...

The National Board for Professional Teaching Standards (NBPTS) assesses teaching practice based on videos and essays submitted by teachers. We compared the performance of classrooms of elementary students in Los Angeles randomly assigned to NBPTS applicants and to comparison teachers. We used...

We provide empirical evidence on the determinants of voter turnout using the randomized outcomes of a school choice lottery. We show that those losing the lottery to attend their first-choice school are significantly more likely to vote in the ensuing school board election than lottery winners....

A growing number of states are using annual school-level test scores as part of their school accountability systems. We highlight an under-appreciated weakness of that approach the imprecision of school-level test score means -- and propose a method for better discerning signal from noise in...