-random distribution of teachers and students among classrooms within schools. We find compelling evidence that teacher credentials affect … distribution of teacher credentials by race and socio-economic status of high school students -- a pattern we also document …

start age created by children's date of birth provides a natural experiment for estimation of the effect of age at school … can be derived for one cohort of students, to the 1980 Census, which contains educational attainment for the same cohort … of students. The results suggest that roughly 10 percent of students were constrained to stay in school by compulsory …

Students receive abundant information about their educational performance, but how this information affects future …-mandated standardized tests. On these tests, students receive a score and a label that summarizes their performance. Using a regression …-discontinuity design, we find persistent effects of earning a more positive label on the college-going decisions of urban, low-income …

the variance in knowledge does indeed rise as children progress through school, but not enough for test score …

availability of data on all teachers and students in North Carolina over a ten-year period allows us to explore them in more detail … effects of changes in class size or to the socio-economics characteristics of students, as measured, for example, by the … education level of their parents …