|Figure 9-1: Percentage distribution of children and youth ages 3-21 served under the Individuals with Disabilities Education Act (IDEA), by disability type: School year 2009-10|
NOTE: Deaf-blindness, traumatic brain injury, and visual impairments are not shown because they each account for less than 1 percent of children served under IDEA. Due to categories not shown, detail does not sum to total. Includes children and youth in the 50 states, the District of Columbia, and the Bureau of Indian Education schools. For more information on student disabilities, see Appendix C – Commonly Used Measures.
SOURCE: U.S. Department of Education, Office of Special Education Programs, Individuals with Disabilities Education Act (IDEA) database, retrieved September 15, 2011, from https://www.ideadata.org/DACAnalyticTool/Intro_2.asp.