<![CDATA[The increasing prevalence of unhealthy dietary habits among adolescents highlights the importance of effective nutrition education in school settings. This community service activity aimed to improve students’ knowledge of balanced nutrition through education on the “Isi Piringku” guideline among junior high school students at SMPN 2 Jogoroto, Jombang Regency. The activity used a pre-experimental one-group pre-test and post-test design involving 60 students. Nutrition education was delivered through lectures, posters, interactive discussions, and practical simulations of balanced meal portions. Students’ nutritional knowledge was assessed using pre-test and post-test questionnaires, and data were analyzed using a paired t-test. The results showed a significant increase in the mean knowledge score from 56.3 ± 10.2 before the intervention to 78.6 ± 8.5 after the intervention (p < 0.05). Students demonstrated better understanding of food portion distribution and balanced nutrition concepts after participating in the educational sessions. The program was well received, and students actively participated during discussions and simulation activities. In conclusion, the “Isi Piringku” nutrition education program effectively improved adolescents’ nutritional knowledge and awareness regarding healthy eating patterns. Integrating interactive nutrition education into school-based programs may support the promotion of healthy dietary behaviors among adolescents.]]>
