There is mounting evidence of substantial "teacher quality gaps" (TQGs) between advantaged and disadvantaged students but practically no empirical evidence about their history. We use longitudinal data on public school students, teachers, and schools from two states--North Carolina and Washington--to provide a descriptive history of the…

This policy brief reviews evidence about the extent to which disadvantaged students are taught by teachers with lower value-added estimates of performance, and seeks to reconcile differences in findings from different studies. We demonstrate that much of the inequity in teacher value added in Washington state is due to differences across different…

Due to data limitations, very little is known about patterns of cross-state teacher mobility. It is an important issue because barriers to cross-state mobility create labor market frictions that could lead both current and prospective teachers to opt out of the teaching profession. In this article, we match state-level administrative data sets…

Due to data limitations, very little is known about patterns of teacher cross-state mobility. The issue is important because barriers to cross-state mobility create labor market frictions that could lead both current and prospective teachers to opt out of the teaching profession. For this paper, we match state-level administrative data sets from…

Due to data limitations, very little is known about patterns of cross-state teacher mobility. It is an important issue because barriers to cross-state mobility create labor market frictions that could lead both current and prospective teachers to opt out of the teaching profession. In this paper, we match state-level administrative data sets from…