This research aims to find out the situational leadership, academic supervision, organizational culture, and work motivation of teachers at SMK Teknologi Nasional Denpasar. The background of this study found that in carrying out the duties of teachers, many come and go to school according to their wishes. The completion of assignments cannot be on time, there is still a lack of responsibility for the completion of assignments at school, such as when teaching in the classroom does not have a learning plan, so that when delivering subject matter in the classroom is only based on the existing package book, communication between teachers and teachers, teachers and principals, teachers and students needs to be improved, as well as low professionalism in teaching and in obeying the orders of leaders in schools aforementioned. Based on data processing and analysis, the research team concluded that situational leadership, academic supervision of school principals, and motivation have a positive effect on teacher performance.
                        
                        
                        
                        
                            
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