<![CDATA[This community service activity aimed to increase adolescents’ knowledge and awareness regarding the prevention of sexually transmitted diseases (STDs) and the formation of a healthy lifestyle among students of SMK 12 Loa Buah, Samarinda City. The implementation method used a participatory health education approach consisting of preparation, implementation, and evaluation stages. The activity began with a pre-test to assess students’ baseline knowledge, followed by health education delivered through interactive lectures, discussions, and question-and-answer sessions, and concluded with a post-test for evaluation. The participants were 60 students from grades X and XI. The results showed a significant improvement in knowledge, with the “good” knowledge category increasing from 80% in the pre-test to 100% in the post-test. In addition to improved knowledge, participants also demonstrated positive attitudes toward the adoption of clean and healthy living behaviors in daily life. In conclusion, school-based health education using a participatory approach is effective in improving adolescent health literacy and encouraging the formation of a healthy lifestyle. This program is recommended to be implemented continuously through School Health Unit (UKS) activities.]]>
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