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Title: Early Childhood Longitudinal Study, Kindergarten Class of 1998-99 (ECLS-K) Kindergarten Through Eighth Grade Full Sample Public-Use Data and Documentation
Description: The release includes the public-use data and data documentation for the kindergarten, first, third, fifth, and eighth grade data collections for the Early Childhood Longitudinal Study, Kindergarten Class of 1998-99 (ECLS-K). The related DVD contains the same information as the on-line materials along with an electronic code book (ECB) to facilitate navigating the data.

There is an error in the data set contained in, Childk8p.z01, Childk8p.z02, Childk8p.z03, Childk8p.z04, Childk8p.z05. Corrected theta scores for all cases across all years of the study can be accessed here.

There is an errata in the household roster data on this file. Please see the errata sheet here.
Online Availability:
Cover Date: July 2009
Web Release: July 17, 2009
Publication #: NCES 2009005
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Center/Program: NCES
Type of Product: Data File
Survey/Program Areas: Early Childhood Longitudinal Study (ECLS)
Questions: For questions about the content of this Data File, please contact the Webmaster.