The U.S. Department of Education home page offers quick links to both Facts and Figures, which leads to the NCES' Fast Facts page and Research and Statistics, which leads to a more general page of links.
Web Pages that Perform Statistical Calculations This site, created and maintained by John C. Pezzullo, contains links to interactive web pages that perform statistical calculations. Together they comprise a powerful, conveniently-accessible, and free multi-platform statistical software package. This page also contains links to several web-based statistical textbooks.