National Assessment of Educational Progress Publications
[ http://library.sdsu.edu/guides/resourcelink.php?id=5117 ]
Includes the Nation's Report Cards by subject area for U.S. education. NAEP also provides results on subject-matter achievement, instructional experiences, and school environment for populations of students (e.g., all fourth-graders) and groups within those populations (e.g., female students, Hispanic students). From NAEP/NCES website.