This paper provides evidence on the sources of differences in inequality in educational scores and their evolution over time in four European countries. Using Programme for International Student Assessment data from the 2000 and the 2006 waves, the paper shows that inequality decreased in Germany and Spain (two "decentralised" schooling…

This study was designed to examine the effectiveness of a ninth grade transition program at a suburban high school in Louisiana. Student data were analyzed from two groups of first time freshmen who indicated a need for help in mathematics: one without a transition program and one with a transition program. Academic data included standardized test…

We use data on statewide end-of-course tests in North Carolina to examine the relationship between teacher credentials and student achievement at the high school level. The availability of test scores in multiple subjects for each student permits us to estimate a model with student fixed effects, which helps minimize any bias associated with the…