S.D. Codified Laws § 13-14-3.1
All revenues received by the State of South Dakota from the federal government of the United States as South Dakota's share of income from lands owned by the United States in South Dakota pursuant to section 35 of the federal Mineral Leasing Act of February 25, 1920, and pursuant to section 10 of the federal Taylor Grazing Act of June 28, 1934, as amended or as hereafter amended, and in which the Congress of the United States has granted unto the Legislature of this state the right to use such money as it may prescribe or direct for the use and benefit of the state, subdivisions thereof, or for the support of public schools or other public educational institutions, shall be allocated and paid to the school districts of this state in proportion to the area of such lands in such district in which the lands producing such moneys are or were located.
SDCL 13-14-3.1