S.D. Codified Laws § 13-13-74
Except as provided in §§ 13-19-29 and 13-13-39, payment from funds provided in aid of the public schools in any school fiscal year shall be made in twelve monthly installments on or about the thirtieth of each month. For the period July first to December thirty-first, inclusive, the total of the six payments shall be one-half of local need of current school fiscal year less local effort for the period July first to December thirty-first, inclusive. For the period January first to June thirtieth, inclusive, the total of the six payments shall be one-half of local need of current school fiscal year less local effort for the period January first to June thirtieth, inclusive. Any amounts paid to the Health and Educational Facilities Authority or a financial institution designated pursuant to § 13-13-39 shall be deducted from the amounts otherwise payable in a fiscal year to a school district under this section and the department shall adjust the monthly installments to be paid to the school district for the remainder of the fiscal year.
SDCL 13-13-74