↑ = increase; ≈ = no change; ↓ = decrease; S = suppressed; NA = not available NAEP = National Assessment of Educational Progress

^aChanges in mathematics scores for grade 12 presented only for 2005 to 2009 because prior assessments were not comparable with those in or after 2005, and there was no grade 12 mathematics assessment in 2007.
^bInformation on student eligibility for subsidized lunch program, a measure of family poverty, first collected in 1996; comparisons in 1990–2009 columns cover 1996 to 2009.

SOURCE: National Science Foundation, National Center for Science and Engineering Statistics, special tabulations (2011) of NAEP 1990, 1996, 2005, 2007, and 2009 mathematics assessments, National Center for Education Statistics. See appendix table 1-1.

Science and Engineering Indicators 2012