Nation's Report Card: Civics 2010

"This report presents results of the National Assessment of Educational Progress (NAEP) 2010 civics assessment. National results for representative samples of students at grades 4, 8, and 12 are reported as average scale scores and as a percentage of students performing at or above three achievement levels: Basic, Proficient, and Advanced. Scores are also reported at selected percentiles, showing changes in the performance of lower-, middle-, and higher-performing students. Results for student demographic groups defined by various background characteristics (e.g., race/ethnicity, gender, and students’ eligibility for free or reduced-price school lunch) are included, as well as sample assessment questions with examples of student responses. Results from the 2010 assessment are compared to those from two previous assessments in 1998 and 2006."
Full report is linked here: http://nces.ed.gov/pubsearch/pubsinfo.asp?pubid=2011466