As part of the civics assessment, school principals of twelfth-grade students were asked the following question about course requirements in social studies. Below is the full text of the question and the percentage of students whose principals responded within each category (data are shown only for categories where percentages rounded to a number greater than zero).

Of the years required for social studies, how many years (or Carnegie-unit equivalents) of coursework does your school or district require in the following subject?

A course focused primarily on civics or government

A. None
B. One-half year
C. One year
D. Two years
E. Three years
F. Four years

Check for Statistical Significance

To further analyze these data, test for significance, or see corresponding average scores, view the complete data in the NAEP Data Explorer. Click on "Find Out" to check for statistical significance. To learn about using the NAEP Data Explorer, view the NAEP Data Explorer tutorial .