The ARC, Advocates for the Rights of the Challenged, of Martin County Is a 501(c)(3) non-for-profit organization dedicated to empowering children and adults with developmental disabilities to achieve their fullest potential through residential, vocational, educational, behavioral and other healthcare services. Through a full spectrum of programs and medical technology, we assist with education, skill training, job training, job placement, community involvement, physical and behavioral therapy, and developing self-sufficiency for each and every individual.