Senowarsito Senowarsito
Magister Manajemen Pendidikan, Universitas Persatuan Guru Republik Indonesia, Semarang, 50232, Indonesia

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The Influence of Principals’ Instructional Leadership, Work Motivation, and School Culture on Elementary School Teachers’ Performance in Mranggen District, Demak Regency Istiqomah Istiqomah; Senowarsito Senowarsito; Harto Nuroso
Journal of Educational Sciences Vol. 10 No. 5 (2026): Journal of Educational Sciences
Publisher : FKIP - Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/jes.10.5.p.169-184

Abstract

This study examined the influence of principals’ instructional leadership, work motivation, and school culture on the performance of elementary school teachers in Dabin III, Mranggen District, Demak Regency. The study employed a quantitative approach with an ex post facto design. The population consisted of 139 teachers, and 103 teachers were selected as the sample using proportional random sampling. Data were collected through questionnaires, interviews, and documentation, and were analyzed using descriptive statistics, multiple linear regression, and coefficient of determination analysis. The findings revealed that principals’ instructional leadership, work motivation, school culture, and teacher performance were all categorized as very high. Simultaneously, instructional leadership, work motivation, and school culture had a significant effect on teacher performance. Partially, principals’ instructional leadership and school culture had a positive and significant effect on teacher performance, whereas work motivation did not have a significant effect. Among the independent variables, principals’ instructional leadership was the most dominant factor influencing teacher performance. The coefficient of determination showed that 56.8% of the variance in teacher performance could be explained by the three independent variables. These findings indicate that improving teacher performance requires strengthening instructional leadership and developing a positive school culture.
The Influence of Principals’ Instructional Leadership, School Culture, and Teacher Professionalism on Teacher Performance: A Quantitative Study in Junior High Schools Sonya Diah Paramita; Senowarsito Senowarsito; Harto Nuroso
Journal of Educational Sciences Vol. 10 No. 5 (2026): Journal of Educational Sciences
Publisher : FKIP - Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/jes.10.5.p.198-212

Abstract

Improving teacher performance remains a critical issue in enhancing the quality of education, particularly in strengthening school management and instructional practices. This study examined the influence of principals’ instructional leadership, school culture, and teacher professionalism on the performance of junior high school teachers in Jepara District, Jepara Regency. A quantitative approach with an ex post facto design was employed. The study involved teachers from public and private junior high schools selected through proportional random sampling. Data were collected using questionnaires and analyzed using descriptive statistics, multiple regression, and path analysis. The findings indicate that instructional leadership, school culture, teacher professionalism, and teacher performance were generally categorized as high to very high. Simultaneously, the three variables significantly influenced teacher performance. Partially, only teacher professionalism had a significant effect, while instructional leadership and school culture did not show significant direct effects. Further analysis revealed that school culture significantly influenced teacher professionalism, which in turn mediated its relationship with teacher performance. These findings suggest that teacher professionalism is the most proximal factor influencing teacher performance, while school culture functions as a contextual foundation.