Purpose: Prominent at the intersections of national educational agencies, higher education, and international educational performance assessments are two reform standards: "benchmarks" determining optimal student performance, and "empirical evidence" for determining the quality of reform practices. These two notions are often…

This report provides an overview and discussion of the past decade of academic evidence on the causal effects of resources in schooling on students' outcomes. Early evidence lacked good strategies for estimating the effects of schools resources, leading many people to conclude that spending more on schools had no effect. More recent evidence using…