U.S. public schools are engaged in an unprecedented effort to expand tutoring in the wake of the COVID-19 pandemic. Broad-based support for scaling tutoring emerged, in part, because of the large effects on student achievement found in prior meta-analyses. We conduct an expanded meta-analysis of 265 randomized controlled trials and explore how…

The purpose of this paper is to argue that the measurement of child outcomes is the major stumbling block in estimating the extent to which equality of opportunity exists for children in our nation's schools. This paper has three parts. The introduction discusses the concept of equal educational opportunity, as defined and then redefined over the…

This reaction paper stresses the importance of matching the qualitatively different types of educational decisions with appropriate types of tests. Reading instruction is used to illustrate that while standardized tests are helpful for student classification and program accountability, they are hazardous to instructional process decisions which…