Eighth-graders attending public, Catholic, and other private schools had higher scores at the 25th, 50th, 75th, and 90th percentiles in 2009 than in 1990.
Read specific descriptions of what eighth-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.