Early gaps in general knowledge persist even after two years of schooling

Average number correct of 12 general knowledge questions at fall kindergarten to spring kindergarten to spring first grade, by household socioeconomic status

Data collected SY 98-99 through SY 99-00. Weighted by the ECLS-K cross-section full-sample parent weights: C1PWO, C2PWO, and C4PWO.
Chart: Munro RichardsonSource: Early Childhood Longitudinal Study, Kindergarten Class of 1998-99 (ECLS-K)Get the dataCreated with Datawrapper