The trial (n= 376) have two randomly assigned arms: a control cluster schools (CC) and intervention cluster schools (IC) according to their cluster. The IC will be received 12 months on nutrition behavior change communication intervention using two modes (lecture, and posters) while CC receive routine dietary practices. The primary outcomes of this study are stunting, micronutrient intake, dietary diversity score, and academic performance of the children; assess using questionnaires, KAP of micronutrient deficiencies prevention, and anthropometry measurements. Secondary outcomes include thinness, underweight, overweight and obesity.