As several studies indicate that service tenure, employee engagement, and collaborative capability have a substantial impact on the company’s productivity, the researchers aim to evaluate the correlation of these three independent variables to the work performance of employees from a Senior High School department of an Institute located in Quezon City, Philippines. Researchers seek to determine the average level of result with regards to the Employee Engagement, Collaborative Capability, and Service Tenure of the respondents; identify the intermediate work performance level of respondents to identify if there is an existing correlation between the three variables to their work performance by utilizing the multiple regression analysis in Minitab19. Teachers would be the respondents in this study. The method used in the study is a quantitative research design and will use survey questionnaires conducted online and performance ratings to collect the correlational data from the participants. The proponents used the Minitab 19 software for analyzing the data results by coming up with descriptive statistics and multiple regression analysis. The researchers determined that using the 90% confidence interval, there is a significant correlation between employee engagement and work performance. At the same time, collaborative capability and service tenure are not correlated with work performance.