Both the National Center for Education Statistics (NCES) and Quality Education Data, Inc. (QED), an educational research company, supplied school data files to create the 2000 state assessment's school sampling frame.
Creating the school sampling frame required comprehensive lists of public schools in each participating jurisdiction. The lists needed accurate school information such as
The Common Core of Data (CCD) public school file, maintained by NCES, served as the primary school sampling frame. This database covered elementary and secondary schools in the 50 states, District of Columbia, and outlying areas. It also included Department of Defense Dependents Schools (DoDDS).
QED maintains a national education database school file that lists public and nonpublic schools within the United States. This database provides DoDDS for the school sampling frame.