Begin transition planning well before age 18. Work with your child's school to develop a formal transition plan as part of their IEP. Contact Developmental Services Ontario (DSO) to understand eligibility requirements and begin the application process, which can take 6-12 months. The earlier you start, the fewer gaps your young person will experience.
DSO is the gateway to all adult developmental services in Ontario, including residential supports, day programs, and Passport funding. Apply as early as possible — typically starting at age 16. You will need a qualifying assessment confirming a developmental disability. The DSO application determines eligibility for multiple programs simultaneously.
The Ontario Disability Support Program (ODSP) provides income support and extended health benefits for adults with disabilities. Apply at age 18 (or up to 6 months before the 18th birthday). You will need medical documentation from a physician. ODSP processing takes 2-4 months, so early application prevents income gaps.
Passport funding provides money for community participation, person-directed planning, and respite care for adults with developmental disabilities. Eligibility is determined through DSO. Wait lists for Passport funding can be years long in some regions, so getting on the list early is critical. Passport can fund activities, programs, and support workers.
Research post-secondary programs with disability support services, specialized employment programs like Ontario Disability Employment Network (ODEN), and job coaching services. Community colleges and universities have accessibility offices that provide accommodations. Consider vocational training programs tailored to the individual's interests and strengths.
At 18, your child becomes a legal adult. If they need support with decision-making, explore supported decision-making agreements or guardianship through the Substitute Decisions Act. Consult a lawyer about powers of attorney. Review financial planning including RDSP contributions, Henson Trust options, and ODSP asset rules.
Compile all medical records, assessments, service plans, legal documents, financial information, and contact lists into a single organized binder. This becomes the core reference document for navigating the adult system. Include emergency contact information, medication lists, communication supports, and safety plans.
Adult services in Ontario are not comprehensive, so building informal supports is essential. Connect with local autism organizations, recreation programs, faith communities, volunteer opportunities, and social groups. Identify natural supports — friends, family members, neighbours — who can provide ongoing connection and assistance.
Developmental Services Ontario
Adult developmental services eligibility and application process (dsontario.ca)
Ontario Ministry of Children, Community and Social Services
Transition planning resources and Passport Program guidelines (ontario.ca)
Ontario Disability Support Program (ODSP)
Application requirements and benefit information (ontario.ca/odsp)
Commitment to Accuracy: Our data is verified against official government reports (FAO, MCCSS), peer-reviewed scientific literature, and accessible public records. Last updated: March 24, 2026.
Verified Facts
88,175, children are registered in the Ontario Autism Program
US$2.4M, Lifetime support costs for autism with co-occurring intellectual disability can reach US$2.4 million per person (Buescher et al.)
1 in 50, According to the 2019 Canadian Health Survey on Children and Youth, about children and youth aged 1 to 17 in Canada had an autism diagnosis
23.4%, Only 20,666 children have active funding agreements () — less than one in four
WHO recommends accessible, community-based early interventions for children with autism — timely evidence-based psychosocial interventions improve communication and social engagement