The study was conducted to assess the competency and teaching effectiveness of teachers. It aimed at determining the level of teachers’ competency based on the National Competency-Based Teacher Standards in terms of social regard for learning, learning environment, diversity of learners, curriculum, planning, assessing and reporting, community linkages, and personal growth and professional development. It ascertained the level of teaching effectiveness according to commitment, knowledge of the subject, teaching for independent learning, and management of learning. It correlated teaching effectiveness and competency. Also, it identified the variable that singly or in combination best predicts the teaching effectiveness. Employing descriptive-correlational research design, it was delimited to the ninety (90) teacher-participants in Impasugong I District, twenty-nine (29) teacherparticipants in Impasugong II District and sixty-nine (69) teacher-participants in Sumilao District teaching across Grades 1 to VI. Mean, percentage, the Pearson r analysis, and stepwise regression analysis were applied. Among the seven domains of NCBTS, community linkages got the highest aggregate value of 3.88 described which described teachers as proficient. In all domains, the teachers were also found proficient. Results revealed that 0.5% of teachers were fairly effective, 19.15% were satisfactory, 68.09% were very satisfactory, and 12.23% were outstanding. Teaching effectiveness revealed a significant correlation with all the domains of NCBTS. Teachers’ competency in the curriculum was the sole significant predictor of teachers’ teaching effectiveness.

Keywords : National Competency-Based Teachers Standards, teaching effectiveness