Early Childhood Longitudinal Study, Kindergarten Class of 2010-11
The Early Childhood Longitudinal Study, Kindergarten Class of 2010-11 (ECLS-K:2011), is part of the Early Childhood Longitudinal Study (ECLS) program; program data is available since 1998-99 at <https://nces.ed.gov/ecls/dataproducts.asp>. ECLS-K:2011 is a longitudinal study that focuses on children's early school …