There are unique challenges to estimating causal effects of preschool for students with special needs that have not received attention in the literature. We revisit the Head Start Impact Study (HSIS) to illustrate that when and how special needs is defined has implications for the internal validity of and interpretation of special needs subgroup…

This document describes Even Start, a new federal family literacy program that combines early childhood education, parenting education, and adult literacy education. The program is based on the collaboration of community organizations and provides a new range of services. These services include family-centered education programs that involve…