Teaching competence and classroom management strategies enhance a teacher’s capability to establish and promote an environment that is impartial, accepting, and understanding of diverse students, ideas, circumstances, and experiences. The quest for associating these factors to students' performance has been verified to be crucial in maintaining high standards and implementing best strategies in all classrooms. The main purpose of this research was to assess the association of the teachers’ teaching competence and classroom management strategies to students’ academic performance of Zamboanga del Sur National High School, Pagadian City. This descriptive-correlational type of research utilized the survey questionnaires and school documents as the key to generating the necessary data. The results of this investigation showed that the overall teaching competence of the teachers was very high. Similarly, classroom management strategies of the teachers were also very high. Using the Pearson correlation test, this study asserted that there is a significant relationship between teaching competence and students’ academic achievement. Moreover, this analysis claimed that a significant relationship is established between teachers’ classroom management strategies and students’ performance. Thus, this research provides strong evidence that the decisive role of the teachers interms of manifesting teaching competence and employing classroom management strategies is very crucial in the promotion of the educational successof the students. Thus, teachers should continue to upgrade themselves for the reason that teaching, learning, and the whole teaching-learning process is very dynamic.
