paper, we estimate the effect of in-service teacher training on children's reading and mathematics achievement in Jerusalem …

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 …

The effect of class size on student achievement has long been of concern to educators, parents, and scholars. In … gains from small classes are largest for students from disadvantaged backgrounds. Besides being of metho- dological interest …

rule that uses data on students' birthdays to compute statutory enrollment in the absence of enrollment manipulation also …