children born to less educated and minority mothers are more likely to be exposed to pollution in utero and that white, college …

addressing unobserved residence-country features, we find similar results when assigning migrant students their country …

Even though some countries track students into differing-ability schools by age 10, others keep their entire secondary …

rapidly among black students than among whites, at least in part because black Head Start" children are more likely to …Recent research on Head Start, an enriched preschool program for poor children that effects on test scores fade out …' more quickly for black children than for white children. This" paper uses data from the 1988 wave of the National …

difference-in-differences strategy to account for unobserved differences between students with access to SBP and those without … findings. First, the SBP helps students build good eating habits: SBP increases scores on the healthy eating index, reduces the … serum micronutrient deficiencies in vitamin C, vitamin E, and folate, and it increases the probability that children meet …