Higher percentages of fourth-grade students with disabilities performed at or above Basic and at or above Proficient in 2011 than in 1996, but the percentages in 2011 were lower than in 2009.
Read specific descriptions of what fourth-graders should know and be able to do at the Basic, Proficient, and Advanced mathematics achievement levels.
Read more information on how to interpret NAEP mathematics results, including how each student group is defined.