This community-partnered participatory study explores the outcomes of adult alternative and augmentative communication (AAC) users who qualified for special education under autism and/or intellectual disability. This multiple case study examines outcomes, the transition to adulthood, K-12 and special education experience, and the diagnosis and AAC journey of three individuals. By examining outcomes, the research aims to provide insights into what AAC users themselves consider to be fulfilling and successful outcomes, challenging the traditional perspectives shaped by those without communication disabilities. Grounded in the social model of disability, which views disabilities not as problems to be fixed but as societal constructs that need to be understood and accommodated, this study addresses the question posed by Lund and Light (2006): "What is a good outcome [for AAC users]?" Through a combination of surveys, interviews, and questionnaire data, the findings will contribute to the limited knowledge about AAC users' outcome. [The dissertation citations contained here are published with the permission of ProQuest LLC. Further reproduction is prohibited without permission. Copies of dissertations may be obtained by Telephone (800) 1-800-521-0600. Web page: http://www.proquest.com.bibliotheek.ehb.be/en-US/products/dissertations/individuals.shtml.]