Description
"Founded more than 50 years ago by a small group of parents and other concerned individuals, when little was known about the condition of mental retardation or its causes, The Arc today is the world's largest grassroots organization of and for people with intellectual and developmental disabilities. With over 140,000 members affiliated through more than 850 state and local chapters across the nation, The Arc is devoted to promoting and improving supports and services for all people with intellectual and developmental disabilities."