Within all parental education categories, the percentages of twelfth-graders performing at or above Basic and at or above Proficient in 2010 were not significantly different from the percentages in 1994 and 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.