four-preschool-programs-their-lasting-effects-quwb9f2t Post date May 27, 2023 Tags Academic Achievement, Americas, Comparative education, Conferences, Early childhood care and education, Early childhood education, Elementary school students, Longitudinal studies, North America, United States of America ← the-effects-of-multiage-grouping-on-achievement-and-self-concept-uevzx3td → prekindergarten-head-start-evaluation-year-end-report-1977-1978-wlts4cdl