Okla. Admin. Code § 210:35-9-42
In order to permit the principal to have sufficient time to engage in improvement of instruction in the school, adequate administrative staffing is required. If a full-time principal administers more than one site, the combined enrollment at the sites should not exceed 450 students.
Added at 8 Ok Reg 2159, eff 5-17-91 (emergency)
Added at 9 Ok Reg 2371, eff 7-13-92