The transition from childhood to adulthood is a milestone most people anticipate with a mix of excitement and uncertainty. But for disabled young adults that transition can be even more difficult.
After years of structured support through the public school system, these young adults reach a point where the rug is pulled out from under them. This moment, which often arrives at age twenty‑two—is what disability advocates call the “disability cliff.” It represents one of the most persistent failures in American disability policy.
For many, this cliff is not theoretical. Millions of disabled young adults experience it every year. I experienced it firsthand.
Cerebral palsy is the most common cause of childhood disability in the United States, but once I turned 18 in 2017, I was forced to navigate uncharted territory. I was suddenly an adult with the same disability, but without the support systems I had relied on.
The most immediate loss came after my high school graduation. My biweekly physical therapy sessions, which had kept my muscles from tightening and my joints from stiffening, ended overnight. Without that consistent care, my body reacted exactly as you’d expect: more pain, more stiffness, more fatigue. It wasn’t because my CP had changed. It was because the system that supported me simply ended.
Medical care also changed. At 22, I was no longer eligible to receive care at Boston Children’s Hospital, where I had been a patient since I was ten. Losing access to a team that understood my condition was a major blow. Adults with cerebral palsy still need specialized care, but too often, the system is not built to provide it.
The disability cliff is often seen as a sudden drop, but its origins trace back over a century in American disability policy. To understand why young adults with intellectual and developmental disabilities lose so much support when they age out of school, we need to examine how our systems were built, piece by piece, over various eras, each guided by different ideas.
For much of the early twentieth century, disability policy concentrated on institutions. Disabled people were placed in large, state-run facilities, often for their entire lives. These institutions were viewed as protective spaces, but they actually isolated and mistreated many residents.
Families faced limited choices, and the idea of community integration was barely mentioned in public policy. It was not until the 1960s and 1970s that parent advocacy groups, journalists, and civil rights advocates exposed the conditions in these institutions and prompted a change in the country’s approach.
From this movement came two major developments that greatly improved childhood but left adulthood largely unchanged. The first was the creation of vocational rehabilitation (VR). VR programs started in the early twentieth century to assist injured workers and veterans. By the mid-twentieth century, they expanded to include disabled people. VR aimed to help people prepare for and find jobs, but it was never set up as an entitlement. Access depended on eligibility decisions, state budgets, and counselors’ judgments. It was a step toward integration, but not a promise.
The second major development was the passing of the Education for All Handicapped Children Act in 1975, later known as the Individuals with Disabilities Education Act (IDEA). This law changed the lives of disabled children by ensuring a free and appropriate public education in the least restrictive environment. For the first time, schools were required to provide individualized education plans, therapies, and inclusive classrooms.
Children who would have once been institutionalized were now learning alongside their peers, gaining important academic, social, and job skills. However, IDEA ended at age twenty-one, with the assumption that adult services—VR, Medicaid, and state disability agencies—would take over from there.
Medicaid, however, was never intended to provide disability services. Created in 1965 as health insurance for low-income Americans, it gradually became the primary funder of long-term services for disabled people. Institutional care was covered from the start, but home and community-based services were not.
It wasn’t until the 1980s and 1990s that Medicaid Home and Community-Based Services (HCBS) waivers were created, allowing states to use Medicaid funds to support people in their homes, workplaces, and communities. These waivers were a major breakthrough, but they were optional and came with limits. States could restrict enrollment, create waiting lists, and set their own priorities. Unlike IDEA, Medicaid waivers were never entitlements.
This mismatch—an entitlement for children and a patchwork for adults—explains the disability cliff. Children grow up in a system that guarantees support, structure, and integration. Then, in their twenties, they fall into a system shaped by older institutional models, inconsistent funding, and fragmented bureaucracy.
VR might provide short-term job training, but it rarely offers the long-term support many people need to succeed in competitive jobs. Medicaid might fund job coaching or day programs, but only if someone secures a waiver slot, which can take years. The result is a country where sheltered workshops, subminimum wages, and isolation are too often the norm.
The Americans with Disabilities Act of 1990 and the Supreme Court’s Olmstead decision in 1999 moved the country closer to inclusion. They stated that unnecessary segregation is discrimination. However, even these important civil rights protections did not create a unified, guaranteed system of adult supports. They established rights without building the necessary infrastructure to uphold them.
This is why the disability cliff feels so sudden. It is not just a gap in services; it reflects a clash between two different eras of disability policy. Childhood is guided by modern ideas of inclusion, access, and entitlement. Adulthood still operates under older systems that were never fully redesigned for integration. Young people who have spent years preparing for meaningful lives suddenly face waiting lists, unpredictable programs, and outdated care models.
The path forward requires completing the historical shift that began decades ago. But without a federal law for adult services, similar to IDEA, young adults will continue to fall off the cliff.
The disability cliff is not unavoidable. It stems from policy choices made over time, and it can be dismantled by making better decisions now. A society that guarantees education and inclusion for disabled children should not abandon them as they transition to adulthood. The promise of inclusion must extend beyond age twenty-two to have real significance.
Sources:
Bagenstos, Samuel R. “The Disability Cliff.” Democracy, no. 35, 2015, pp. 55–67. Democracy: A Journal of Ideas, https://democracyjournal.org/magazine/35/the-disability-cliff/
Blakemore, Erin. “Why One Expert Says It’s Time to Redefine Cerebral Palsy .” The Washington Post, WP Company, 30 Nov. 2024, http://www.washingtonpost.com/wellness/2024/11/30/cerebral-palsy-lifelong-adult-disability/.
Heasley, Shaun. “After Ending Subminimum Wage, States See Workforce Gains.” Disability Scoop, Disability Scoop, 19 Dec. 2024, http://www.disabilityscoop.com/2024/12/19/after-ending-subminimum-wage-states-see-workforce-gains/31228/.
Kakara, Mihir, et al. ‘Repeal of Subminimum Wages and Social Determinants of Health Among People With Disabilities’. JAMA Health Forum, vol. 5, no. 11, Nov. 2024, p. e244034, https://doi.org/10.1001/jamahealthforum.2024.4034.
Long, Cindy. “IDEA Is 50 Years Old — and at Risk.” NEA, NEA, 14 Nov. 2025, https://www.nea.org/nea-today/all-news-articles/50th-anniversary-IDEA
Shapiro, Joseph. “Lois Curtis, Who Won a Landmark Civil Rights Case for People with Disabilities, Died.” NPR, NPR, 5 Nov. 2022, https://www.npr.org/2022/11/05/1134426128/lois-curtis-who-won-a-landmark-civil-rights-case-for-people-with-disabilities-di.