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This research aims to examine how the social competence of the school principal influences the accreditation level of SMK Negeri 1 Barru. The research population was teachers and principals of SMK Negeri 1 Barru, with a quantitative research design using 79 respondents. The data collection procedure uses a combination of observation, questionnaires, and documentation. Based on descriptive data analysis, it is known that the social competence of school principals is included in the moderate category, with 48 out of a total of 79 respondents giving a score of 60.75%, as well as an increase in medium category accreditation, which received 53 responses out of a total of 79 with a percentage of 67.08%. According to the Statistical Test, the value of t_count = 5.961 > t_(table) = 1.991, the Alternative hypothesis is accepted, and the null hypothesis is rejected, indicating that there is a significant influence of the social competence of the principal on increasing accreditation at SMK Negeri 1 Barru.

Social competence; principal; increasing accreditation