The ranks of students receiving services for autism continue to grow.
Children 3 to 21 years old served under Individuals with Disabilities Education Act (IDEA), Part B,
| 2009-10 | 2010-11 | 2011-12 | 2012-13 | 2013-14 | 2014-15 | 2015-16 | |
| Number Served (Thousands) | |||||||
| All disabilities | 6,481 | 6,436 | 6,401 | 6,429 | 6,464 | 6,555 | 6,677 |
| Autism | 378 | 417 | 455 | 498 | 538 | 576 | 617 |
| Percentage distribution of children served | |||||||
| All disabilities | 100 | 100 | 100 | 100 | 100 | 100 | 100 |
| Autism | 5.8 | 6.5 | 7.1 | 7.8 | 8.3 | 8.8 | 9.2 |
| Percentage distribution of children served | |||||||
| All disabilities | 13.1 | 13 | 12.9 | 12.9 | 12.9 | 13 | 13.2 |
| Autism | 0.8 | 0.8 | 0.9 | 1 | 1.1 | 1.1 | 1.2 |