abstract: The Ak-Chin Indian Community is a small community in southern Arizona comprised of roughly one thousand O’odham. The indigenous language of Ak-Chin is the ’O’odham ñeo’okĭ, O’odham language, however in recent decades the number of speakers of this language have begun to sharply decline. Due to a variety of sociological factors in interacting with the dominant colonial society, the people of Ak-Chin have begun a shift toward the predominant use of English in daily affairs. The goal of this thesis is to investigate the societal factors that have led to the decline of the O’odham language in Ak-Chin and to examine language policy and planning principles and practices which may serve as examples for the Ak-Chin community to re-establish a strong connection to their heritage language. / Dissertation/Thesis / Masters Thesis American Indian Studies 2017