This study aims to determine the implementation of the No-Smoking Area (KTR) Policy at SMP Negeri 2 Mori Utara, North Morowali Regency. This research uses a qualitative method with a descriptive approach. Data collection techniques were carried out through observation, interviews, and documentation. The study involved 5 informants. The data analysis techniques used include data collection, data condensation, data presentation, and drawing conclusions. The theory used is George C. Edward III’s policy implementation theory, which includes four main variables: communication, resources, disposition, and bureaucratic structure. These variables were used to assess the effectiveness of the implementation of the No-Smoking Area Policy at SMP Negeri 2 Mori Utara. The results indicate that the implementation of the No-Smoking Area (KTR) Policy at SMP Negeri 2 Mori Utara has not been carried out effectively. Although the school has taken several measures, such as installing no-smoking banners and conducting outreach programs in collaboration with the community health center, implementation remains ineffective. This is evident from the fact that some students, especially male students, and even several teachers still do not comply with the KTR regulations, even during school hours. Uneven supervision and the lack of strict disciplinary enforcement have prevented the policy from running as intended. In addition, the dissemination of information regarding the KTR has not fully reached all school members and visitors. Therefore, the implementation of the KTR policy at SMP Negeri 2 Mori Utara still requires improvement in terms of supervision, rule enforcement, and the cultivation of healthy living habits within the school environment.