he study attempted to evaluate the 2017-2018 workload of senior high school public teachers in four (4)Divisions across Misamis Occidental and determined the extent of their workplace wellbeing. It aimed to evaluate the NAT performances of the senior high school learners in the aforementioned year, in the seven subject areas. The study determined the relationship between the teachers’ workload and workplace wellbeing to the NAT performance of learners. It utilized a descriptive-correlational method using the existing data of the DepEd schools on teachers’ demographic profile and their workload including the academic and ancillary functions. Results showed that majority of the senior high school public teachers in Misamis Occidental had exceeded the prescribed optimum weekly workload.Furthermore, it was evident that the overall wellness and wellbeing of teachers in Misamis Occidental has a significant relationship to the NAT Performance

Senior High School, NAT Performance, Workload, Well-being