Wyo. Stat. § 21-4-504
A school district admitting a pupil from a nonunified school district in the state under W.S. 21-4-501 or providing for the enrollment of a pupil in a school within a school district in another state under W.S. 21-4-505 shall, in accordance with rules and regulations of the state department, be reimbursed from the school foundation program account for expenditures for maintaining that pupil in the admitting district for any length of time the pupil is required to reside in the admitting district. Reimbursement under this subsection shall be subject to and reported in accordance with rule and regulation of the state department and shall be administered as if the district's total foundation program amount computed under W.S. 21-13-309(p) is increased by the amount of the expenditure for maintenance during the preceding year for a school district admitting a pupil from a nonunified school district in the state under W.S. 21-4-501 and in the current school year for pupils attending a school in another state under W.S. 21-4-505.
W.S. 21-4-504