Parents and policymakers are turning to preschools to better advance the school readiness and broader development of young children. Much remains unknown, including how preschool programs of varying quality affect diverse groups of children. This is particularly important as several California counties embark on ambitious and costly efforts to…

The report documents activities and findings of the Preschool Evaluation Project which is developing a model for evaluating program provision to handicapped preschoolers and creating a longitudinal data base to track the short- and long-term progress of preschool children receiving special services in Montgomery County, Maryland. During the first…