This public version of the kindergarten-second grade user's manual focuses on the second-grade rounds of data collection and data for the Early Childhood Longitudinal Study, Kindergarten Class of 2010-11 (ECLS-K:2011). It describes the study instruments and data collection procedures used in the fall 2012 and spring 2013 collections. It also describes the kindergarten-second grade data file structure and variables created from data collected in the second-grade rounds, as well as procedures used to make the data suitable for public release.
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