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To support children and adults with developmental disabilities in achieving a lifetime of growth through exceptional care and innovative, individualized services.
In 1966, a small group of parents was influential in opening a school that would address the special education and therapeutic needs of their children characterized as autistic and/or having developmental disabilities. Since then, DDI has expanded considerably. Six main campuses, located in Smithtown, Huntington, Medford, Riverhead, and Ronkonkoma, and 26 Residential and Day Habilitation sites serve over 1500 families through our programs.