<![CDATA[General Background Modernization introduces foreign cultural influences that threaten indigenous moral traditions, making school culture vital for sustaining positive educational environments and student behavior. Specific Background An Nahl Islamic Primary School in Sidoarjo actively promotes a 5S culture—Smile, Greet, Acknowledge, Polite, and Courteous—as part of its core strategy to build a positive atmosphere and counter limited infrastructure. Knowledge Gap Although literature confirms the theoretical benefits of positive environments, quantitative studies measuring the direct statistical correlation between specific 5S cultural implementation and the dual outcomes of academic achievement and moral development remain limited. Aims This study investigates the statistical correlation of implementing the 5S culture on the formation of noble character and student achievement. Results Utilizing a quantitative survey methodology with saturated sampling of thirteen teachers, a one-way ANOVA test accompanied by normality testing confirmed a significant correlation. Data analysis yielded a significance value of 0.000 (p < 0.05), indicating a substantial variance between the observed groups. Novelty The research quantitatively maps how highly specific traditional interaction norms directly stimulate dual enhancements in both measurable academic outcomes and holistic character formation within an Islamic elementary context. Implications Implementing the 5S culture provides a fundamental, low-cost strategic framework for educational institutions aiming to foster excellent academic motivation and continuous moral development among students despite resource limitations. Highlights: A one-way ANOVA test yielded a significant value of 0.000, confirming the direct correlation of cultural norms. The 5S culture actively shapes positive environments that stimulate both academic performance and strong ethical behavior. Consistent implementation of simple interaction norms provides an effective framework for holistic student development. Keywords: 5S Culture, Noble Character, Student Achievement, Islamic Primary School, Educational Quality]]>
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