Okla. Stat. tit. 10 § 135
It is hereby declared to be the duty of the superintendent of the school district in which the child resides, together with the truant and probation officers, to report to the district court the names of all children who are neglected or dependent and who are not attending school as provided by law, and upon the filing of such report, the judge of the district court shall cause the probation officer to serve notice upon the parents, guardian, or other person having such children in charge.
It shall be the duty of the probation officer under such notice, to investigate the condition of such children and to report the same to the judge of the district court. Upon such information, the judge of the district court may, if he deems it proper, cause such child or children to be placed in said schools and homes under the provisions of this act.
Okla. Stat. tit. 10, § 135