<b>Principal Supervisory Techniques, Management Strategies, and Teachers' Job Commitment in Public Secondary Schools in Lagos State</b>

Teacher job commitment has been a serious issue of concern among stakeholders because of recent continuous complaints about teachers' performance and commitment. This study, therefore, examined the relationship between principals' supervisory techniques, management strategies, and teachers' job commitment in public secondary schools in Lagos State. The study was guided by four research hypotheses. The study used the descriptive survey research design, and the population was 14,483 teachers in 322 senior secondary schools in Lagos State, while the sample of the study, which was determined using the Taro Yemane formula, was 400 participants. After which, a multistage sampling approach was used for the selection of the participants. A self-designed questionnaire, which was designed on a modified 4-point Likert-type scale such as Strongly Agreed (SA), Agreed (A), Disagreed (D), and Strongly Disagreed (SD), was used for data collection. The face and content validity of the instrument were assured, while the reliability was ensured by administering the instrument to 30 teachers who did not participate in the main study. The result was analysed using Cronbach's Alpha, and a coefficient of .77 proved the instrument was reliable for the study. The researchers engaged four research assistants in data collection after adequate training on the instrument. Pearson Product-Moment Correlation (PPMC) statistics were used to test the hypotheses of the study at the .05 level of significance using the IBM Statistical Package for Social Sciences (SPSS). Version 23. The result of the analysis showed that all the explanatory variables significantly relate to the job commitment of teachers. Based on the findings, it was therefore recommended that principals should use classroom observation efficiently to improve job commitment of teachers and adequately resolve conflicts in the school system to enhance job commitment of teachers.