Trend in twelfth-grade average NAEP reading scores, by students with and without disabilities
* Significantly different from 2005.
NOTE: SD = students with disabilities. The results for students with disabilities are based on students who were assessed and cannot be generalized to the total population of such students. View complete data with standard errors for grade 12. SOURCE: U.S. Department of Education, Institute of Education Sciences, National Center for Education Statistics, National Assessment of Educational Progress (NAEP), 1998, 2002, and 2005 Reading Assessments.