This study investigated the competency of secondary school principals in specific management areas based on several elements in competency namely personal qualities, knowledge, skills and practices. This research is based on the framework of the National Standards for Principal in the United Kingdom. The survey was conducted by distributing questionnaires to the respondents which consisted of 100 teachers. Also, 5 interviews were carried out to confirm quantitative findings of the study as well as to explain practices and actions taken in each management areas. Descriptive statistics were employed in analyzing quantitative data, whereas qualitative data were manually examined. Results indicated that the school principals were rated as highly competent in all areas. Outcomes of qualitative data analysis also support the findings of quantitative data. However, the study revealed that principal needs support from internal as well as external school community to improve the school performance.