Abstract. This study investigated how private school organizational culture influences employee work performance and job satisfaction. It assessed organizational culture, work performance, and job satisfaction levels and correlated these factors. Understanding these dynamics is essential for improving working environments, supporting staff motivation and engagement, and contributing to private schools' long-term growth and competitiveness. This study employed a descriptive-correlational research design with one hundred thirty-six respondents selected from a population of 175. Results indicated that organizational culture was fully manifested with values (3.36), norms (3.31), beliefs (3.41), and practices (3.30). Work performance was rated very good (3.53), and employees were delighted with their jobs (3.34). A significant relationship was found between organizational culture and work performance (p < 0.001), with r values ranging from 0.26 to 0.50, indicating a moderately small positive correlation. Additionally, a significant relationship was observed between organizational culture and job satisfaction (p < 0.001), with r values ranging from 0.51 to 0.75, indicating a high positive correlation. These findings imply that fostering a strong organizational culture can significantly enhance work performance and job satisfaction, improving overall organizational effectiveness and employee well-being.

Keywords: Organizational culture; Work performance; Job satisfaction; Private schools; Relationships, Correlation.