This study aims to determine the influence of service quality and the work ethic of teachers and staff on the satisfaction of parents/guardians of students at MIS Al Washliyah Rambung Besar Sei Rampah. The research population consisted of all parents/guardians whose children were enrolled in the madrasah during the academic year in which the study was conducted. The sample was selected purposively with a representative number of respondents. Data were analyzed using multiple linear regression, with the t-test employed to examine partial effects, the F-test to assess simultaneous effects, and the coefficient of determination (R²) to measure the contribution of the independent variables to the dependent variable. The results revealed that service quality had a significant effect on parent satisfaction, with a regression coefficient of 0.042 (β = 0.050), while work ethic also had a significant effect, with a regression coefficient of 0.099 (β = 0.121). The multiple linear regression equation obtained was: Y = 39.291 + 0.042X₁ + 0.099X₂. The calculated F-value indicated a significant simultaneous effect, and the R² value showed that the contribution of both variables to parent satisfaction was relatively substantial.
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