The Department of Game, Fish and Parks may assist in maintaining schools within Custer County and may pay for such assistance out of any funds available. Payment of such funds by the department may not exceed, for each pupil who attends public school within the county and who is a resident of Custer State Park, the most recent annual average per pupil cost within the school district involved, as reported by the Department of Education, less all receipts accrued for school purposes within Custer State Park.
SDCL 41-17-10