New support for preschooling
In the hopeful early days of Lyndon Johnson's Great Society, preschool Head Start programs for disadvantaged children were set up nationwide. But then, after studying the later progress of the preschoolers, researchers for Ohio University and the Westinghouse Learning Corp., among others, concluded that Head Start made very little long-term difference in the children. Now comes evidence that the benefits of high-quality preschool programs can last at least through age 15. That finding was made by Michigan Researchers David P. Weikart, 49, and Lawrence J. Schweinhart, 33, who last week released an interim report on an 18-year study...