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Early Childhood Longitudinal Study (ECLS) Series

Investigator(s): United States Department of Education. National Center for Education Statistics

The Early Childhood Longitudinal Study (ECLS) program includes two longitudinal studies that examine child development, school readiness, and early school experiences. The birth cohort (ECLS-B) is a sample of children born in 2001 and followed from birth through kindergarten entry. The kindergarten cohort class of 1998-1999 (ECLS-K) is a sample of children followed from kindergarten through the eighth grade.

For descriptions of additional ECLS data that are not currently distributed by ICPSR see the following:

  • ECLS: Birth Cohort, 2001-2002, 2-year Data (ICPSR 28061)

  • ECLS: Birth Cohort, 2001-2002, 9-Month Data (ICPSR 28081)

  • ECLS: Birth Cohort, 2001-2002, Preschool Data (ICPSR 28082)

For more information, visit the ECLS Web site at NCES.

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Inter-university Consortium for Political and Social Research
Office of Planning Research and Evaluation

The datasets in the ICPSR Child and Family Data Archive collection are available for free though funding by contract #HHSP233201800021C from the Office of Planning, Research and Evaluation (OPRE), an office of the Administration for Children and Families, U.S. Department of Health and Human Services. The contents are those of the author(s) and do not necessarily represent the official views of, nor an endorsement by, ACF/HHS or the U.S. Government. For more information, please visit the ACF website at Administrative and National Policy Requirements.

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