Are equal educational opportunities sufficient to narrow long-standing economic and racial inequalities in achievement? In this article, I test the hypothesis that poor and minority students benefit less from effective elementary school teachers than do their nonpoor and white peers, thus exacerbating inequalities. I use administrative data from…

Are equal educational opportunities sufficient to narrow long-standing economic and racial inequalities in achievement? In this paper, I test the hypothesis that poor and minority students benefit less from effective elementary school teachers than their non-poor and White peers, thus exacerbating inequalities. I use administrative data from…