This current study aims at describing the development, eligibility, and effectivity of online module of civic education in junior high school. This investigation applies a Research and Development (R&D) approach adapting Borg and Gall's model through a series stage, namely (1) initial study, covering potentials and problems, collecting information; (2) the preparation stage, including arranging product design, production, expert judgment, and content; (3) piloting, evaluating, and revision; and

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... (4) implementation. The informants of this present study were obtained from teachers, students, and experts in civic education. The data were collected through test, observation, interview, and documentation. The result of this study is an online module for civic education of junior high school students in order to enhance their learning outcomes, material of independence in expressing opinion is presented in a form of module which is able to be accessed through internet, feature in the development of online module is in the form of a learning containing application containing application instruction, module instruction, preface, first, second, and third learning materials, tasks, case study, learning video, bibliography, and profile of module developer. The eligibility of the online module is considered high. It is proved by (a) expert validation (materials and media), (b) one by one piloting, (c) small group piloting with a high average score, and (d) field piloting with criteria (good). The implementation of the online module for senior high school students is effective to cultivate their learning outcomes with the score of 92.30%.