This document compiles information from multiple sources to offer readers a snapshot of Preschool Development and Expansion Grant (PDG) states' progress towards implementing a full comprehensive assessment system, as well as the tools they are using for each of the components.

Early childhood education has received an increasing amount of attention in the last two decades in the United States and in other countries. There is now a strong consensus on the many benefits of preschool. Studies have shown that attending a high-quality preschool program not only increases children's readiness for kindergarten, but also causes…