The current study aims at identifying the role of school administration in the development of citizenship values among post-basic education students in the Sultanate of Oman. It focuses on providing answers for the following research questions: 1. What is the existing role of school administration in the development of citizenship values among post-basic education students in the Sultanate of Oman like? 2.Do students' gender and school district affect their responses on the role of school administration in the development of citizenship values among postbasic education students in the Sultanate of Oman? 3.Do school administrations' gender, job titles, academic qualification, years of experience and school district affect their responses on the role of school administration in the development of citizenship values among post-basic education students in the Sultanate of Oman? 4.What is the recommended proposal to activate the role of the school administration in the development of citizenship values among post-basic education students in the Sultanate of Oman? To carry out this study, the researcher adopted a descriptive approach. Two questionnaires were designed; the first is prepared for the post-basic education students seeking their opinions about the role of school administration in the development of citizenship values among the students. It covers six parts; the first investigates the role of the school administration in providing a school atmosphere capable of easing the development of citizenship values through citizenship components which are: belongingness, rights, obligations, community service and public values. i i 12 The second questionnaire aims at finding out the opinions of the post-basic education school headmasters/headmistress and their assistants about the role of school administration in the development of citizenship values among postbasic education students. It approaches this through three parts concerned about some administrative practices and their effect on the development of citizenship values among the students. These parts are: planning and organizing the administrative work, supervising and evaluating both the learning and teaching processes and strengthening the relationship between the school, the parents and the local community. After having the study tool validated and having its reliability calculated, the researcher administrated it on the study sample that consists of school headmasters/headmistress and their assistants and post-basic education students in four educational districts which are: Muscat, Al Dakhliyah, South Batinah and Dhofar. The study sample was selected randomly and it covered (1004) students, (55) headmasters/headmistress and (51) of their assistants.