National Center for Education Statistics (NCES) is the primary federal entity for collecting and analyzing data related to education in the U.S. and other nations. Especially see Annual Reports.
Disablilty Statistics Major statistical data sources on disability
Education Watch Online Ed Watch Interactive is a user-friendly source of data on educational performance and equity by race and class, kindergarten through college.
FedStats Central source for up-to-date statistics on a wide variety of topics, including education.