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.