Laird, J., DeBell, M., and Chapman, C. (2006). Dropout Rates in the United States: 2004 (NCES 2007-024). National Center for Education Statistics, Institute of Education Sciences, U.S. Department of Education. Washington, DC.
McMillen, M. (1997). Dropout Rates in the United States: 1996 (NCES 98-250). National Center for Education Statistics, U.S. Department of Education. Washington, DC.
Winglee, M., Marker, D., Henderson, A., Young, B.A., and Hoffman, L. (2000). A Recommended Approach to Providing High School Dropout and Completion Rates at the State Level (NCES 2000-305). National Center for Education Statistics, U.S. Department of Education. Washington, DC.
Data files for all CCD surveys used in this report may be found on the CCD data page of the CCD website at http://nces.ed.gov/ccd/ccddata.asp.