About - Data and Results

NCES publishes international data and results on education in various user- and viewer-friendly formats, including:

	International Data Explorer: An online data analysis tool that allows users to conduct analyses of international education data without the need for specialized software.
	U.S. PIAAC Skills Map: The U.S. PIAAC Skills Map is an interactive data tool that provides state- and county-level data on the literacy and numeracy proficiency of adults ages 16–74 in all 50 states, all 3,141 counties, and the District of Columbia.

	Data Products: Data for each study are made available in three versions: international U.S. data files, U.S. national public-use data files, and U.S. national restricted-use data files.
	Distance Learning Dataset Training System (DLDT): An online, interactive tool that allows users to learn about NCES data across the education spectrum and evaluate it for suitability for particular research purposes.

	Summary and technical reports:These reports present summary results for each study in the form of highlights reports. In addition, NCES also provides technical reports for each data collection cycle.
	Comparison reports:These reports are designed to help readers understand the similarities and differences between the assessments, and to help identify what the international education assessments and NAEP each contribute to the overall knowledge base on U.S. student performance.
	Compilation reports: These reports present a set of education indicators that describe how the U.S. education system compares with those of other countries, most often our major economic competitors, such as the Group of 20.
	Data tables: Conveniently formatted tables give a quick overview of topics of interest in international comparative education.
	Snapshots: Brief analyses of international education trends utilize data from the International Data Explorer.