Aceh Besar District is one of the districts with a high population spread over 23 sub-districts. This study aims to analyze the equivalent high school in Aceh Besar District using a GIS (Geographic Information System) system assisted by Arcgis software. Researchers conducted a spatial analysis using the APK (Gross Participation Rate) and TPS (School Service Level) indicators in each sub-district in Aceh Besar District. The method in this study is a qualitative descriptive method with data collection using literature studies and documentation techniques. The study was conducted in all sub-districts in Aceh Besar District with data processing at the Geography Laboratory, Faculty of Teacher Training and Education, Syiah Kuala University. Data analysis used descriptive qualitative data analysis techniques. The results showed that there were 2 sub-districts with high participation, namely Blang Bintang District with 140.34% participation and Kuta Malaka District with 131.85% participation, 1 sub-district with moderate participation, namely Jantho District with 102.1% participation and 20 other sub-districts belonging to low participation, namely below 90% participation. The TPS in each sub-district in Aceh Besar District are not sufficient to accommodate the number of upper secondary level students and the equivalent in the entire Aceh Besar District.
Keywords: Geographic Information System (GIS), Spatial Analysis, Aceh Besar