Schweinhart noted that these findings, from "a preschool program serving one of America's great cities," corroborate similar lifetime findings of two small-sample projects, included the HighScope Perry Preschool Study, which he oversaw.
"Because high-quality early childhood education requires major investment both in the aggregate and in each child it serves," Schweinhart added, "it is critical that the evidence of its powerful return on investment be as strong as possible, and the Chicago Longitudinal Study contributes greatly to this evidence base."
For more information on early childhood education, visit the National Education Association.
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