Fadillah, O.M.Z. and Hasugian, A.H. 2026. K-Means Clustering for Grouping Elementary School Facilities and Infrastructure in Indonesia. IDEALIS : InDonEsiA journaL Information System. 9, 2 (Jun. 2026), 182–192. DOI:https://doi.org/10.36080/idealis.v9i2.3827.