U.S. history scores for twelfth-graders at all five selected percentiles were not significantly different in 2010 when compared to 1994 or 2006.
Read specific descriptions of what twelfth-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.