Because of the improved quality of the data on students' eligibility for the National School Lunch Program, the percentage of students for whom information was not available has decreased compared to the percentage reported for the 2001 assessment.
Read specific descriptions of what eighth-graders should know and be able to do at the Basic, Proficient, and Advanced U.S. history achievement levels.
Read more information on how to interpret NAEP U.S. history results, including how each student group is defined.