This systematic research aims to identify and analyze the factors contributing to students' indiscipline behavior at public secondary schools. The research method synthesizes the existing literature from other articles, books, or paper presentations related to this research. The article provides insights into the multifaceted nature of indiscipline and highlights some underlying causes that need to be addressed to promote a conducive learning environment. Indiscipline refers to a lack of discipline or a failure to adhere to rules, regulations, or established norms of behavior. It involves actions or behaviors that deviate from accepted standards, leading to disorder, disobedience, or misconduct. Indiscipline can manifest in various settings, such as schools, homes, and society. In educational contexts, indiscipline may involve students not following school rules, engaging in disruptive behavior, or violating codes of conduct. Indiscipline behavior among students at public secondary schools poses significant challenges to the educational system and the overall development of students worldwide. The findings reveal various interrelated factors contributing to students' indiscipline behavior at public secondary schools. Some of these factors include School-based, home-based, Learner-based, and Societal-based factors. It is important to note that the findings and the recommendations made by this article could help to improve the educational system, especially in connection with the problem of indiscipline at public secondary schools. The researcher concluded that, despite several efforts made by educational stakeholders worldwide, the issue of indiscipline continued to exist in the school system. Therefore, every educational stakeholder must do more to salvage the situation.