This study aims to describe the state of the school culture, the principal's transformational leadership in enhancing that culture, and the factors facilitating or hindering its improvement at SMK Al Farabi Cileungsi. This is a qualitative study employing a case study approach. Data were collected through interviews, observations, and documentation, and analyzed descriptively using data reduction, data presentation, case study analysis, and conclusion drawing. The results indicate that a leadership style based on leading by example is more effective than the mere implementation of formal instructions. Factors driving the development of the school culture include industry demands, while inhibiting factors include: 1) resistance to new rules, 2) socioeconomic disparities among students, and 3) a lack of adequate facilities and infrastructure. The research findings suggest that school principals strengthen exemplary leadership and persuasive communication to minimize resistance to new policies. Meanwhile, vocational high school (SMK) management is urged to optimize strategic partnerships with the business and industrial sectors (DUDI) to gradually address limitations in facilities and infrastructure.
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