Abstract
In this modern era, schools require Organizational Citizenship Behavior (OCB) of organization members as one of the determining elements for the smooth process of achieving school goals. Leadership can transform an organization's entire potential as a learning community towards better organizational change, which is needed to increase OCB. This article aims to analyze the direct and indirect relationship between transformational leadership (TL) and OCB with quality of work-life (QWL) and organizational commitment (OC) as mediators. Another aim is to analyze the role of QWL as a mediator of the relationship between TL and OC. The research sample was 165 permanent teachers from several high schools in Madiun City. Research data was collected through questionnaires, and Structural Equation Modeling (SEM) was used for data analysis. The data analysis results prove a significant direct relationship between TL, QWL, and OC with OCB in a positive direction. The results of testing the role of mediating variables contribute to the novelty of this research, namely: 1) QWL partially mediates the relationship between TL and OC, as well as the relationship between TL and OCB; 2) OC partially mediates the relationship between TL and OCB. The analysis results indicate that increasing teacher OCB can be done effectively through increasing transformational leadership practices, programs to improve the quality of work-life, and increasing teacher organizational commitment.