Average scale scores for grade 12 U.S. history, by all students and jurisdiction: 2010, 2006, 2001, and 1994
Year	Jurisdiction	All students
Year	Jurisdiction	Average scale score	Standard Error
NOTE: The NAEP U.S. History scale ranges from 0 to 500. Some apparent differences between estimates may not be statistically significant. Analyze results with NAEP Data Explorer. SOURCE: U.S. Department of Education, Institute of Education Sciences, National Center for Education Statistics, National Assessment of Educational Progress (NAEP), 1994, 2001, 2006, and 2010 U.S. History Assessments.
2010	National	288	(0.8)
2006	National	290	(0.7)
2001	National	287	(0.9)
2001¹	National	287	(1.0)
1994¹	National	286	(0.8)