Percentile scores for age 13 long-term trend mathematics, by all students and jurisdiction: 2012, 2008, 2004, 1999, 1996, 1994, 1992, 1990, 1986, 1982, and 1978
YearJurisdictionAll students
10th PercentileStandard Error25th PercentileStandard Error50th PercentileStandard Error75th PercentileStandard Error90th PercentileStandard Error
NOTE: The NAEP Long-Term Trend Mathematics 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), 1978, 1982, 1986, 1990, 1992, 1994, 1996, 1999, 2004, 2008, and 2012 Long-Term Trend Mathematics Assessments.
2012National240(1.4)263(1.0)287(1.3)309(1.3)329(2.1)
2008National237(1.2)261(1.1)283(1.0)305(0.8)323(1.5)
2004National234(1.3)257(1.4)280(0.8)303(1.2)322(1.0)
2004¹National238(1.3)261(1.7)282(1.3)304(1.1)322(1.0)
1999¹National234(1.8)254(1.0)276(0.9)298(0.8)317(1.1)
1996¹National233(0.9)254(0.9)275(0.7)296(1.6)314(1.9)
1994¹National233(1.4)253(1.3)276(0.9)296(1.2)315(1.1)
1992¹National233(1.1)253(1.3)274(0.7)294(0.9)312(1.5)
1990¹National230(1.4)250(0.9)271(1.0)292(0.9)310(1.1)
1986¹National230(1.3)248(1.8)269(1.5)290(1.4)309(1.5)
1982¹National225(1.8)246(1.3)269(1.0)292(1.2)311(1.2)
1978¹National213(1.5)238(1.4)265(1.1)291(1.1)313(1.3)