This study analyzes the effect of transformational leadership, school culture, and teacher creativity on teacher performance, with professional competence as a mediating variable, among elementary school teachers in Cibarusah District, Bekasi Regency. The study is motivated by variations in teacher performance, suspected to be influenced by principals’ leadership, school culture, and teacher creativity in learning implementation. A quantitative approach with a survey design and path analysis was employed. The population comprised 282 certified teachers with ASN status (PNS and PPPK), and a sample of 165 teachers was selected using Proportionate Cluster Random Sampling. Data were collected through a validated and reliable questionnaire and analyzed using SPSS 27. The results indicate that school culture positively and significantly affects teacher performance, while transformational leadership and teacher creativity do not have a direct significant effect. Professional competence positively and significantly influences teacher performance. Transformational leadership and teacher creativity significantly affect professional competence, whereas school culture does not. Mediation analysis reveals that professional competence does not mediate the effect of transformational leadership and school culture on performance but significantly mediates the relationship between teacher creativity and performance. These findings highlight that enhancing teacher performance is strongly influenced by a supportive school culture and professional competence, and that teacher creativity improves performance primarily through strengthening professional competence.
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