Early Childhood Longitudinal Study, Kindergarten Class of 1998-99 (ECLS-K)


Classroom curriculum; Classroom environment; Cognitive, social, emotional, and physical development; Home educational activities; Home environment; School environment; Teacher qualifications

Data were collected from 1998-99 kindergarten students and their teachers, parents, and school administrators. Data were collected in the fall and the spring of kindergarten (1998-99), the fall and spring of 1st grade (1999-2000), the spring of 3rd grade (2002), the spring of 5th grade (2004), and the spring of 8th grade (2007).

Selected publications include:

  • Bodovski, K., Nahum-Shani, I., and Walsh, R. (2013). School Climate and Students' Early Mathematics Learning: Another Search for Contextual Effects. American Journal of Education, 119(2): 209-234.
  • Guarino, C.M., Hamilton, L.S., Lockwood, J.R., and Rathbun, A.H. (2006). Teacher Qualifications, Instructional Practices, and Reading and Mathematics Gains of Kindergartners (NCES 2006-031). U.S. Department of Education. Washington, DC: National Center for Education Statistics. Available at: http://nces.ed.gov/pubs2006/2006031.pdf
Survey Instruments

Survey instruments are available at: http://nces.ed.gov/ecls/kinderinstruments.asp


Data files for use in statistical software are available at: http://nces.ed.gov/ecls/kinderdatainformation.asp

Survey Data