Kan. Stat. Ann. § 72-1161
The fiscal year of each school district shall close on the last day of June of each year.
L. 1965, ch. 410, § 17; L. 1970, ch. 293, § 1; L. 1972, ch. 276, § 1; L. 1992, ch. 280, § 45; July 1.