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Quality Mapping of Senior High Schools Based On National Exam Scores and Absorption Level: A Case Study at Special Region of Yogyakarta

Conducting National Exam (NE) is an effort from the government to improve the quality of education in Indonesia. NE results could be used for mapping the quality of educational unit, basis for entrance tests to higher education level, determining students' graduation and providing assistance for educational unit. This research is trying to analyze the result of NE for mapping the quality of senior high schools at Special Region of Yogyakarta. The research focuses on the following goals: (1) describing quality map of schools' strengths in term of student competencies for each subject by applying k-means clustering algorithm on the absorption level of NE result; (2) observing the effect of NE policy amendment in 2015, where NE is not the factor to determine students' graduation. There are two conclusions from this research. First, school clusters based on absorption level of each subject are different one from another. The school clusters based on subject absorption level are also different from school clusters based on the mean score of NE. Both points indicate that each school has distinct characteristic on absorption level of each subject. Second, related to the effect of NE policy amendment in 2015, there is no significant change on NE result clusters in 2015 compared to the previous years. The result of school clustering in 2015 is relatively consistent.