Using longitudinal data from North Carolina that contains detailed identifiers, we estimate the effect of having a National Boards for Professional Teaching Standards (NBPTS) teacher on academic achievement. We identify the effects of an NBPTS teacher exploiting multiple sources of variation...

Identifying the impact of teacher characteristics on academic achievement is a salient and reoccurring issue in education. We employ a twin by year identification strategy using matched teacher-student data from North Carolina to credibly estimate how teacher characteristics such as experience,...