Research suggests that children living in poverty show progressively lower test scores as they age. The Abecedarian research project contrasted a birth-to-age-five intervention program with a school-grade intervention program. When given IQ and achievement tests at various ages, children who had received preschool treatment consistently outscored…

This study represents a continuation of a longitudinal assessment of the effectiveness of a Montessori and Responsive Environment preschool program sponsored by the Arlington Public Schools. The Metropolitan Readiness Test, the Caldwell Cooperative Preschool Inventory, and the Peabody Picture Vocabulary Test were used to assess the academic…