Okla. Stat. tit. 10 § 152
The Manager, Superintendent, or party in control of any Orphanage, Childrens' Home or Charitable Institution or Organization receiving, controlling, or having in charge, any children known as orphans or wayward children of school age, whose education is not wholly provided for from funds provided for by such Orphanage, Children's Home, or Charitable Organization or Institution, shall not later than June 15th of each year, file a written report of the number of children confined in the said Orphanage, Children's Home or other such Institution, giving their names, ages, residence of parents or guardians, if any, and the aggregate number of children under its control or custody, that it will be necessary to provide school facilities for during the ensuing school year. Said report shall be filed with the clerk of the school district wherein said Institution is located and shall be under oath of said Manager, Superintendent or party in charge.
Okla. Stat. tit. 10, § 152