By Christina A. Samuels
After years of steady decline, the nationwide count of school-age students covered under the Individuals with Disabilities Education Act has shown an upswing since the 2011-12 school year based on the most recently available federal data, driven by rapid growth in such disability categories as autism.
The count of students ages 6-21 with disabilities fell to a low of 5.67 million in fall 2011, but had risen to 5.83 million by fall 2014, the most recent year for which statistics are available.