Abstract
The purpose of this study is to examine how school administrators’ managerial performance is monitored. The study was carried out at SMA Negeri 3 Kayuagung. Research of this kind is qualitative. Using documentation, interviews, observation, and literature reviews as data collection methods. Data analysis methods included data collection, data reduction, data presentation, conclusion, and verification. Descriptive qualitative analysis methods were also used. According to the study’s findings, SMA Negeri 3 Kayuagung’s implementation of managerial performance supervision of principals was evaluated based on the school’s attainment of the National Education Standards (NSP). Implementing supervision entails guiding and supervising school principals’ managerial abilities. The principal’s performance is improved by supervision of their managerial abilities.