This handbook is a major effort to establish current and consistent terms, definitions, and classification codes to maintain, collect, report, and exchange comparable information about students. The selection of terms represents the best combined judgment of many individuals as to what data might be most useful for decision making about…

This handbook is an effort to establish current and consistent terms, definitions, and classification codes to maintain, collect, report, and exchange comparable information about staff. This effort was coordinated by the Council of Chief State School Officers under contract to the National Center for Education Statistics. It represents the best…

The Common Core of Data (CCD) is the primary database of the National Center for Education Statistics on elementary and secondary education in the United States. CCD is a comprehensive, annual, national statistical database of all elementary and secondary schools and school districts. It contains data that are comparable across all states, and all…