This study used a quantitative approach with a quasi-experimental research design to measure the effectiveness of a public health campaign in improving balanced nutrition awareness in primary school children. Data were collected through pre-test and post-test using a structured questionnaire that had been tested for validity and reliability. The results of the analysis showed a significant increase in the average score of students' knowledge from 65.20 7.80 before the intervention to 88.60 5.20 after the health campaign (p=0.001), as well as students' awareness which increased from 60.30 6.70 to 85.50. This study provides empirical evidence that well-designed nutrition education can be a solution to address nutritional problems in children, such as malnutrition and obesity, thereby supporting the creation of healthier and more productive generation in the future.
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