CHADD (Children and Adults with Attention-Deficit/Hyperactivity Disorder) is the nation’s leading non-profit organization serving individuals with ADHD and their families. CHADD has over 16,000 members in 200 local chapters throughout the U.S. Chapters offer support for individuals, parents, teachers, professionals, and others.  CHADD was founded in 1987 in response to the frustration and sense of isolation experienced by parents and their children with ADHD.