This study utilized quantitative descriptive correlational design and examined relationship between teachers’ computer self-efficacy and performance Schools Division of Calamba City. Based on the findings, there is a moderate positive relationship between teachers’ computer self-efficacy and performance. Thus, suggested that as the teachers’ computer self-efficacy increases, similarly, teacher performance increases. In conclusion, the result implied that teachers’ computer self-efficacy is closely and have moderately positive relationship to teachers’ performance in doing their task as teachers in the new paradigm shift in Department of Education through the flexible learning modality in East District of SDO Calamba City. Future researchers may conduct similar study to further investigate means of helping teachers to increase their performance through computer self-efficacy for the enhancement in learning delivery of teaching and learning process. Lastly, future researchers may investigate other factors that may be affecting performance or may look at the effect of the factors on each variable.