Most research on equal educational opportunity has focused on inputs like teacher experience and degrees. This brief estimated teachers’ value added (contribution to student achievement growth) and measured access to highest-performing teachers in high- and low-poverty schools. Across 10...

This publication, the first major report on the Early Head Start national evaluation, focuses on early implementation experiences and tells the story of the 17 programs that helped launch the first nationwide program for low-income infants and toddlers.