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Early Childhood Longitudinal Study, Kindergarten Class of 1998-99 (ECLS-K)
The ECLS-K is an ongoing study that focuses on children’s early school experiences beginning with kindergarten and following children through 12th grade. The ECLS-K data provide... -
Early Childhood Longitudinal Study, Birth Cohort (ECLS-B)
The ECLS-B is designed to provide decision-makers, researchers, child care providers, teachers, and parents with detailed information about children’s early life experiences....