The study intended to distinguish the level of organizational citizenship behavior among teaching personnel in the Department of Education Division of Davao del Norte. This study applied quantitative research and non-experimental research design using correlational research design alongside regression analysis to identify which indicators of psychological capital and employee engagement influence organizational citizenship behavior among the identified sample size of 368 teaching personnel within the 11 districts of DepEd Davao del Norte. Additionally, Mean, Pearson-r, and Linear Regression Analysis were utilized to attain the studys objective. The results showed that the indicators of psychological capital, employee engagement, and organizational citizenship behavior got very high results. Moreover, there was a significant relationship between psychological capital and employee engagement in organizational citizenship behavior. Further, regression analysis resulted in psychological capital and employee engagement influences organizational citizenship behavior. Conversely, self-efficacy, optimism, hope, and resilience domains predict organizational citizenship behavior. Lastly, vigor, dedication, and absorption domains predict organizational citizenship behavior. Therefore, psychological capital and employee engagement influence organizational citizenship behavior among teaching personnel in DepEd Davao del Norte.