Appendix A: Data Sources
The mathematics achievement tabulations analyzed in this report are based on the U.S. Department of Education’s National Longitudinal School-Level State Assessment Score Database.[12. numoffset=”12″ The NLSLSASD can be downloaded from http://www.schooldata.org/.] The NLSLSASD records in uniform fashion the scores on state achievement tests for more than 80,000 public schools (McLaughlin, 2005). The achievement data are […]