Your Child Turns 18 Tomorrow. What Changes Overnight?

A Practical Guide to Guardianship, Decision-Making and the Legal Changes Families Need to Understand

For many families raising children with disabilities, the 18th birthday arrives with a mixture of pride, excitement and anxiety. While most parents recognize the milestone as the transition into adulthood, many are surprised to learn just how much changes legally when a child turns 18. Whether a young adult has autism, an intellectual disability, Down syndrome, cerebral palsy, a mental health condition or another disability, reaching adulthood can significantly alter who has the authority to make educational, medical and financial decisions.

One of the most common misconceptions among parents is that their role remains unchanged simply because their child is still in high school. In reality, the law generally views an 18-year-old as an adult regardless of whether that individual continues to receive special education services. While students may remain eligible for educational supports until age 21 or older depending on state law, many legal rights transfer from parent to student at ag…