Ohio Rev. Code Ann. § 4734.211
(B) To be approved, a course of study must require the successful completion of at least three hundred hours of instruction. Of the three hundred hours of instruction, at least two hundred hours must consist of direct clinical instruction that covers all of the following:
(C) In determining whether to approve a course of study, the state chiropractic board shall take into consideration the qualifications of the entity that administers the course of study. The board may approve a course of study that is administered by any of the following: