A highly globally competent teacher can nurture and shape students with noble values, appreciate and be open to cultural diversity, understand multiple perspectives, and be able to communicate and collaborate with individuals from different backgrounds to ensure global sustainability. Discussions on global competency using SCORE analysis are rarely held. Therefore, this concept paper aims to discuss strategy-based assessment in developing teachers' global competency in Malaysia using the SCORE analysis, which includes the elements of Strength, Challenges, Options, Responses, and Effectiveness. The study results show that teachers' global competency development has high potential if effective strategies are properly organized. The benefits extend beyond the country's education sector, positively impacting stakeholders and external parties due to its significant business value. The limitations of this concept paper can be addressed by using other models such as SWOT, NOISE, or SOAR as analysis models. This concept paper implies that it enriches the literature by offering a systematic analytical framework to evaluate and enhance global competency in education, adds a strategic dimension to research on teachers' global competency, helps to understand how teachers can build capacity more structurally and focused, and provides clear guidance for teachers and administrators in identifying strengths, addressing challenges, and implementing effective actions to enhance the effectiveness of education programs in schools. A recommendation for future research is to evaluate how strategic approaches such as SCORE help teachers identify strengths and challenges in global education, explore action options, and assess their effectiveness in enhancing global competency.