Science scores for male eighth-graders were higher in 2011 than in 2009 at all selected percentiles except for the 90th. The score for female students was higher in 2011 than in 2009 at the 50th percentile.
Read specific descriptions of what eighth-graders should know and be able to do at the Basic, Proficient, and Advanced science achievement levels.
Read more information on how to interpret NAEP science results, including how each student group is defined.