This paper uses data from the Head Start Impact Study (HSIS), a nationally representative multisite randomized trial, to quantify variation in effects of Head Start during 2002-2003 on children's cognitive and socio-emotional outcomes relative to the effects of other local alternatives, including parent care. We find that (1) treatment and control…

This article summarizes the findings of a study that examined the differences between preschool English learners and preschool English speakers in the areas of classroom conduct, social skills, and teacher-child relationship quality, as rated by their teachers. Theoretical and practical implications of the findings for early care and education…