To provide a landscape of mathematics activities children experience in U.S. preschool and kindergarten classrooms, we observed time children spent in mathematics activities (and -- as a contrast -- literacy) in 101 geographically diverse early childhood classrooms in seven U.S. states. We also observed what mathematics content, grouping…

Summer Training and Education Program (STEP) is a summer employment, academic remediation, and life skills program intended to lower school dropout rates by reducing summer learning loss and preventing teen parenthood. The program is integrated into the federal summer jobs program and is offered during six-to-eight-week sessions in two consecutive…

This nonexperimental, longitudinal field study examines the extent to which variation in observed classroom supports (quality of emotional and instructional interactions and amount of exposure to literacy and math activities) predicts trajectories of achievement in reading and math from 54 months to fifth grade. Growth mixture modeling detected…