Juvenile delinquency poses a significant challenge in Nigeria, with various factors contributing to its prevalence. This study investigates the causes of juvenile delinquency and its preventive measures, focusing on the Family background, school location, and peer group as predictors of juvenile delinquency among secondary school students in the Ijebu-Ode Local Government Area of Ogun State. Drawing from socio-criminological perspectives, the study employs a survey research design to gather data from two hundred secondary school students using a structured questionnaire. Findings reveal that poverty, family background, school environment, and peer group influence significantly contribute to juvenile delinquency. Moreover, the study identifies inadequacies in Nigeria’s juvenile justice administration, including legal, policy, and institutional shortcomings. Recommendations are provided to address these issues, emphasizing the need for comprehensive reforms in juvenile justice systems and proactive measures to prevent and mitigate juvenile delinquency. This study contributes to the understanding of juvenile delinquency in Nigeria and offers insights for policymakers, law enforcement agencies, educators, and families to develop effective strategies for intervention and prevention.