International Journal of Academic Pedagogical Research (IJAPR)   Year: 2023 | Volume: 7 | Issue: 6 | Page No.: 77-82 The Influence of School Principal Transformational Leadership on Teacher Performance at Smpn 2 Yosowilangun Lumajang East Java Province Download PDF Anna Afrianti and Nurul Ummah Abstract: This study aims to determine the effect of principal transformational leadership on teacher performance at SMPN 2 Yosowilangun Lumajang East Java Province Jawa Timur . The type of research used in this study uses a quantitative approach with simple simple linear regression analysis techniques. The type of data used is primary data obtained through a questionnaire using SPSS for Windows version 29 and observation. Secondary data obtained from school data as well as several books and journals that can be accounted for. The sample in the study was 21 respondents using saturated sampling technique. The results of this study based on the value of R Square indicate that the principal's transformational leadership has a contribution of 33% or there is a low influence of 33% on teacher performance at SMPN 2 Yosowilangun Lumajang Province Jawa Timur. The remaining 67% is influenced by other factors not examined by the authors.