What the Transition Cliff Is, and How Many Families Went Over It Last Year
In the 2023-24 school year, 468,818 students with disabilities left America’s public schools. That is more than 2,605 every school day. The moment they left, the federal law that guaranteed them services (IDEA) stopped applying, and there is no adult version of that guarantee. 50,438 of last year’s school-leavers were autistic, 5.1 times as many as fifteen years ago, and 35,914 had an intellectual disability. For most of these families, what comes next depends entirely on the state they live in: its Medicaid waivers, its waitlists, and its adult services. This page tracks the size of that cliff, state by state, from the U.S. Department of Education’s own data.
Special needs parents know the countdown. Federal law (IDEA) guarantees a free, appropriate public education, with transportation, therapies, and structure, until a student graduates or ages out, around age 22 in most states. After that, entitlement ends and eligibility begins: waiver waitlists, benefit applications, and services that exist only if your state funds them. We call it the transition cliff, and below is the first state-by-state accounting of how many families go over it each year.
The cliff, state by state (2023-24)
Students with disabilities (ages 14–21) who exited school in the most recent federal data, whether by graduating, receiving a certificate, reaching the maximum age, or dropping out. Each state links to our guide for what comes next there.
| State | Left school (all disabilities) | Autism + intellectual disability | Autism | Intellectual disability | Aged out (“reached maximum age”) | Dropped out |
|---|---|---|---|---|---|---|
| California | 64,163 | 12,760 | 8,398 | 4,362 | 2,044 | 6,599 |
| Texas | 41,560 | 9,856 | 4,907 | 4,949 | 151 | 5,329 |
| New York | 31,633 | 3,290 | 2,405 | 885 | 64 | 4,415 |
| Florida | 29,714 | 7,052 | 4,062 | 2,990 | Not reported † | 2,143 |
| Pennsylvania | 24,341 | 3,804 | 2,303 | 1,501 | 11 | 2,258 |
| Ohio | 20,412 | 3,426 | 1,800 | 1,626 | 34 | 3,288 |
| Illinois | 19,019 | 2,829 | 1,684 | 1,145 | 166 | 1,972 |
| New Jersey | 16,447 | 1,993 | 1,522 | 471 | 31 | 897 |
| Georgia | 16,388 | 3,215 | 1,711 | 1,504 | Not reported † | 2,961 |
| Michigan | 13,258 | 2,554 | 1,254 | 1,300 | 18 | 3,057 |
| Virginia | 12,409 | 2,539 | 1,681 | 858 | 12 | 953 |
| Massachusetts | 12,253 | 1,997 | 1,363 | 634 | 458 | 1,575 |
| North Carolina | 11,872 | 2,621 | 1,284 | 1,337 | 29 | 1,646 |
| Arizona | 9,326 | 1,867 | 1,202 | 665 | 25 | 1,889 |
| Minnesota | 8,099 | 1,627 | 1,200 | 427 | 11 | 677 |
| Wisconsin | 8,079 | 1,722 | 1,013 | 709 | 50 | 1,016 |
| Maryland | 7,703 | 1,562 | 899 | 663 | 55 | 1,531 |
| Washington | 7,633 | 1,173 | 854 | 319 | 7 | 1,865 |
| Indiana | 7,581 | 1,424 | 790 | 634 | 17 | 574 |
| Missouri | 7,422 | 1,606 | 931 | 675 | 13 | 682 |
| Tennessee | 7,127 | 1,667 | 819 | 848 | 126 | 423 |
| Colorado | 6,587 | 800 | 550 | 250 | 77 | 1,076 |
| Oklahoma | 6,065 § | – | – | – | – | – |
| Connecticut | 6,043 | 793 | 543 | 250 | 73 | 509 |
| South Carolina | 6,006 | 1,178 | 620 | 558 | 197 | 1,252 |
| Utah | 5,544 | 1,125 | 661 | 464 | 147 | 993 |
| Oregon | 5,524 | 1,144 | 754 | 390 | 119 | 1,063 |
| Alabama | 4,987 | 1,005 | 505 | 500 | 59 | 115 |
| Kentucky | 4,911 | 1,605 | 534 | 1,071 | 16 | 183 |
| Kansas | 4,565 | 634 | 318 | 316 | 32 | 681 |
| Nevada | 4,294 | 638 | 490 | 148 | 135 | 1,168 |
| Arkansas | 4,186 | 1,040 | 427 | 613 | 8 | 283 |
| Louisiana | 4,116 | 945 | 345 | 600 | 28 | 626 |
| Iowa | 3,871 | – | – | – | 99 | 781 |
| Mississippi | 3,072 | 689 | 348 | 341 | 14 | 340 |
| Nebraska | 2,880 | 552 | 307 | 245 | 17 | 442 |
| West Virginia | 2,849 | 688 | 194 | 494 | 16 | 181 |
| Maine | 2,145 | 357 | 249 | 108 | 19 | 390 |
| Idaho | 2,122 | 524 | 293 | 231 | 62 | 297 |
| New Hampshire | 1,699 | 298 | 218 | 80 | 11 | 145 |
| Delaware | 1,473 | 202 | 104 | 98 | 2 | 123 |
| Montana | 1,358 | 141 | 83 | 58 | 1 | 358 |
| Rhode Island | 1,192 | 191 | 138 | 53 | 50 | 70 |
| Alaska | 1,186 | 172 | 126 | 46 | 6 | 363 |
| Hawaii | 1,134 | 196 | 95 | 101 | 33 | 131 |
| District of Columbia | 1,057 | 158 | 73 | 85 | 75 | 319 |
| South Dakota | 915 | 234 | 105 | 129 | 74 | 230 |
| North Dakota | 887 | 169 | 100 | 69 | 17 | 195 |
| Wyoming | 869 | 147 | 91 | 56 | 26 | 307 |
| Vermont | 842 | 143 | 85 | 58 | 14 | 175 |
| New Mexico | Suppressed ‡ | – | – | – | – | – |
† Florida and Georgia have not reported the “reached maximum age” count to the federal collection since 2016-17 (Georgia: never in sixteen years). See the note below. ‡ New Mexico’s 2023-24 statewide totals were suppressed by the Department of Education for data-quality reasons. § Oklahoma’s statewide total row was suppressed; the figure shown is computed from its published disability-category rows.
The states that don’t count the cliff. Georgia has not reported a single aged-out count in sixteen years of federal exiting data. Florida, which with Georgia accounts for nearly one in ten of the nation’s special-education school-leavers, has reported it twice in sixteen years and not once since 2016-17. (Michigan’s count is also blank most years, but for a documented reason: Michigan serves students with disabilities until age 26, past the age window this federal collection covers.) For Florida and Georgia, no explanation appears in the Department of Education’s published data notes. Their notes address diploma classifications, not the missing aged-out counts, even though the same documentation confirms both states end services at 22. For a Florida family, that means the federal data cannot tell you how many young adults hit the services cliff each year, even as the state’s waiver waitlist stretches on for years. Florida also reports implausibly few “certificate” exits (about 136 in 2023-24, against roughly 16,000 in Texas) because states classify diplomas and certificates differently. That is one reason we do not rank states on graduation-type numbers.
Sixteen years of the cliff: the autism wave is arriving now
The single most important trend in this data: the number of autistic students leaving school each year has grown from 9,884 in 2008-09 to 50,438 in 2023-24. That is a 5.1-fold increase. The children diagnosed in the autism-diagnosis surge of the 2000s are becoming adults now, at a rate of roughly 280 every school day, and the adult service systems in most states were not sized for them. That is the wave behind every waitlist number on our waitlist database.
| School year | Left school (all disabilities) | Autism | Intellectual disability | Aged out |
|---|---|---|---|---|
| 2008-09 * | 404,145 | 9,884 | 42,494 | 6,068 |
| 2009-10 | 404,433 | 12,258 | 41,179 | 4,858 |
| 2010-11 | 396,997 | 14,137 | 39,755 | 4,997 |
| 2011-12 | 386,015 | 16,522 | 37,583 | 5,503 |
| 2012-13 | 390,251 | 19,373 | 40,171 | 5,743 |
| 2013-14 | 384,103 | 21,512 | 34,302 | 5,773 |
| 2014-15 * | 351,878 | 21,928 | 31,141 | 4,525 |
| 2015-16 * | 376,557 | 25,390 | 32,456 | 4,648 |
| 2016-17 * | 386,966 | 28,295 | 33,216 | 4,437 |
| 2017-18 * | 405,213 | 32,325 | 34,585 | 4,688 |
| 2018-19 * | 410,981 | 35,759 | 34,003 | 4,471 |
| 2019-20 | 421,229 | 40,532 | 35,730 | 5,024 |
| 2020-21 | 434,914 | 43,159 | 34,475 | 3,163 |
| 2021-22 | 464,190 | 47,172 | 35,583 | 3,148 |
| 2022-23 | 464,820 | 49,411 | 35,872 | 4,976 |
| 2023-24 * | 468,818 | 50,438 | 35,914 | 4,749 |
* Years marked with an asterisk are missing one or two states that did not report (2008-09: Vermont; 2014-15: Illinois, Ohio; 2015-16: Illinois; 2016-17: Illinois; 2017-18: Vermont; 2018-19: Louisiana; 2023-24: New Mexico). The dip in “aged out” counts in 2020-21 and 2021-22 reflects pandemic-era disruption, including extended-eligibility policies in some states.
What the cliff means for your family, and what to do before it arrives
While your child is still in school, IDEA gives you formal ways to challenge decisions you disagree with. How often families in your state actually use them, and what happens when they do, is in our special education disputes database.
- The school bus is a countdown clock. Transportation, therapies, and daily structure end with school eligibility, around age 22, with the exact cutoff set by each state and district. If your child is 14, you have eight years to build what replaces it.
- Get on waiver waitlists now. In many states the line for adult services is a decade or longer. Check your state in our Medicaid waiver waitlist database.
- Protect benefits eligibility before age 18. A special needs trust and ABLE account keep savings from disqualifying your child from SSI and Medicaid. Start with our complete guide or your state’s page.
- Watch what funds the bridge programs. Transition programs are often funded by single budget lines that can vanish with one veto. It happened to our family in Florida this year.
About this data
Source: U.S. Department of Education, Office of Special Education Programs, IDEA Section 618 Part B Exiting data (EDFacts Data Warehouse), school years 2008-09 through 2023-24, state-level files retrieved from data.ed.gov in August 2026.
Definitions: “Left school” is OSEP’s “total exiting school”: students with disabilities ages 14–21 who graduated (regular or alternate diploma), received a certificate, reached the maximum age for services, dropped out, or died during the school year. It excludes students who moved or returned to general education. “Autism + intellectual disability” sums those two federal disability categories.
Limitations: Some cells are suppressed by the Department for small counts or data quality (–). Florida and Georgia do not report aged-out counts. Diploma and certificate figures are not comparable between states because graduation policies differ. Data before 2008-09 uses a different definition of “exiting” and is excluded. National figures sum the 50 states and D.C.
Use this data: Journalists, researchers, and advocates are welcome to cite this page with attribution and a link. For the underlying federal files or our compiled tables, contact us.