The frequency and occurrence of counterproductive work behaviour among school teachers is rising. The purpose of this study was to examine the influence of job Tburnout and job insecurity on counterproductive work behaviour among school teachers in Ogbomoso, Oyo State, Nigeria. The study employed a descriptive survey methodology and gathered data via questionnaires. A combination of stratified and accidental sampling approaches was utilized to select a total of 964 teachers from 65 educational institutions in the five local government areas of Ogbomoso. The data was collected using the Maslach Burnout Inventory, Job Insecurity Questionnaire, and Counterproductive Work Behaviour Checklist. The result revealed no significant gender difference in counterproductive work behaviour among selected teachers in Ogbomoso metropolis f (962) t=.374; p >.05). Furthermore, the study's findings revealed that job burnout and job insecurity had significant joint influence on counterproductive work behaviour among the selected 2 school teachers in Ogbomoso metropolis {R= .329; R = .411; f(12.337) p