Kebijakan zonasi dalam Sistem Penerimaan Murid Baru (SPMB) bertujuan mewujudkan pemerataan akses pendidikan, namun efektivitasnya sangat ditentukan oleh presisi penentuan batas wilayah dan jarak tempat tinggal siswa. Penelitian ini bertujuan untuk menguji akurasi teknis pengukuran jarak domisili berbasis Sistem Informasi Geografis (SIG), menelaah keselarasan batas wilayah rayon terhadap kedekatan spasial aktual, serta merumuskan rekomendasi kebijakan rayonisasi yang lebih adaptif di Kota Yogyakarta. Pendekatan kuantitatif-spasial diterapkan dengan memanfaatkan fungsi Near Analysis (algoritma Generate Near Table) pada perangkat lunak ArcGIS Pro 3.5, uji korelasi Pearson dan Spearman Rank, dan estimasi densitas kernel (Kernel Density Estimation). Tahapan analisis mencakup geokoding koordinat sekolah dan domisili pendaftar, validasi topologi, komputasi matriks jarak garis lurus (Euclidean distance), serta pemodelan alokasi jangkauan layanan sekolah. Hasil pengujian membuktikan bahwa otomasi pengukuran jarak berbasis SIG memiliki presisi yang sangat tinggi dengan korelasi linear yang kuat (r = 0,983 - 0,997) dan selisih rata-rata hanya 1,71 meter terhadap pengukuran manual panitia, sehingga efektif mengeliminasi potensi galat manusia (human error) operator sebesar 1 hingga 5 meter pada batas ambang kuota radius. Selain itu, audit spasial mengungkap adanya anomali regulasi pada Keputusan Gubernur DIY Nomor 131 Tahun 2025, di mana pembagian Rayon 1 pada wilayah tertentu (seperti Kelurahan Bumijo) tidak selaras dengan kedekatan geografis riil ke sekolah terdekat. Temuan ini menegaskan urgensi adopsi algoritma geospasial otomatis secara menyeluruh dalam sistem seleksi SPMB daring serta penyesuaian regulasi zonasi daerah demi menegakkan keadilan spasial (spatial fairness).Abstract. Zoning policies in student admission systems aim to ensure equitable access to public education; however, their efficacy critically depends on the spatial precision of school catchment boundaries and domicile distance calculations. This study evaluates the technical accuracy of Geographic Information System (GIS)-based automated proximity measurements, examines regulatory catchment alignment against empirical spatial proximity, and proposes policy recommendations for adaptive zoning in Yogyakarta City. A quantitative-spatial methodology was employed integrating Near Analysis (Generate Near Table algorithm) in ArcGIS Pro 3.5, Pearson and Spearman correlation tests, and Kernel Density Estimation. Analytical procedures involved geocoding school and applicant coordinates, topological validation, planar Euclidean distance matrix calculations, and service area modeling. The empirical findings demonstrate that GIS-based automated distance calculations achieve near-perfect linear consistency (r = 0.983 - 0.997) with a minimal average difference of only 1.71 meters compared to manual measurements, successfully mitigating operator human error (1 to 5 meters) at critical quota threshold cut-off points. Furthermore, spatial auditing revealed regulatory anomalies in Governor Decree No. 131/2025, wherein designated school catchment zones (Rayon 1) in certain localities contradicted actual spatial proximity, particularly in Bumijo Village. These findings highlight the imperative of fully integrating automated geospatial algorithms into online admission workflows to uphold spatial fairness in educational access. Submitted: 2025-11-04 2026-04-17: 2026-04-14 Accepted: 2026-09-14 Published: 2026-09-15
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Purwanto et al. (2026) studied this question.
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