Research is clear on the benefit of early intervention efforts and the importance of intensive instructional supports; however, understanding which features to intensify is less clear. General intervention features of group size, instructional delivery, and time are areas schools can consider manipulating to intensify instruction. Also, each of…

This study estimated reading achievement gaps in different ethnic, gender, and socioeconomic groups of 1st graders in the U.S. compared with specific reference groups and identified statistically significant correlates and moderators of early reading achievement. A subset of 2,296 students nested in 184 schools from the Early Childhood…

This report summarizes research on the impacts of alternative early intervention programs to prevent school failure. Also considered are the magnitude of estimates of program effects and policy implications of using the programs. The nine principal types of early schooling programs reviewed are those involving: (1) substantial reductions in class…