The Perry Preschool Study and Head Start

Your review claims that the Perry study and the Abecedarian study are the sole evidence that preschool works. But they are just the best known of a large number of studies finding that preschool works, that is, has its intended effects on children. Along with the city-wide Chicago Child-Parent Centers study, these studies go a big step further by finding strong long-term effects and return on investment.

Please visit National Institute for Early Education Research (NIEER) for the complete blog post.