For twelfth-graders whose parents had some education after high school, the average U.S. history score in 2010 was lower than in 2006. All other apparent differences in comparison to 2010 were not statistically significant.
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.