Each barber school shall have not less than one (1) licensed instructor for one (1) to fifteen (15) students enrolled, two (2) instructors for sixteen (16) to thirty (30) students enrolled, three (3) instructors for thirty-one (31) to forty-five (45) students enrolled, four (4) instructors for forty-six (46) to sixty (60) students enrolled, five (5) instructors for sixty-one (61) to seventy-five (75) students enrolled, six (6) instructors for seventy-six (76) to ninety (90) students enrolled, or seven (7) instructors for ninety-one (91) to one hundred and five (105) students enrolled, with this fifteen (15) to one (1) ratio continuing as enrollment increases. Instructors shall be on the floor at all times.
Okla. Admin. Code § 310:210-9-3