Average scale scores for age 13 long-term trend mathematics, by grade level and jurisdiction: 2012, 2008, 2004, 1999, 1996, 1994, 1992, 1990, 1986, 1982, and 1978
YearJurisdiction7th grade or below8th grade9th grade or above
Average scale scoreStandard ErrorAverage scale scoreStandard ErrorAverage scale scoreStandard Error
† Not applicable.
‡ Reporting standards not met.
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.
2012National274(1.3)292(1.1)(†)
2008National272(1.1)288(0.9)(†)
2004National268(1.1)285(1.1)(†)
2004¹National271(1.3)287(1.2)(†)
1999¹National265(1.5)283(0.9)(†)
1996¹National263(1.2)280(0.9)(†)
1994¹National259(1.2)283(1.0)(†)
1992¹National258(1.3)282(0.9)(†)
1990¹National253(1.0)280(0.9)(†)
1986¹National251(1.1)278(1.0)(†)
1982¹National247(1.4)277(0.9)304(6.3)
1978¹National240(1.4)274(1.1)298(9.1)