Trend in fourth-grade average NAEP science scores, by students with and without disabilities
![Average scale scores in science, by students with and without disabilities, grade 4: 1996, 2000, and 2005](/subject/_commonobjects/images/s0114-ss-g04.gif)
SOURCE: U.S. Department of Education, Institute of Education Sciences, National Center for Education Statistics, National Assessment of Educational Progress (NAEP), 1996, 2000, and 2005 Science Assessments.