randomized to receive a new preschool and parent education program focused on cognitive and non-cognitive skills (CogX) or to a … control group that did not receive preschool education. In addition to a typical academic year (9 month) program, we also … Kindergarten. Both programs, including the shortened version, significantly improved cognitive test scores by about one quarter of …

This paper organizes and synthesizes the literature on early childhood education and childcare. In it, we go beyond …