Ohio Rev. Code Ann. § 3319.301
(B) The state board of education shall issue permits to individuals who are not licensed as required by sections 3319.22 to 3319.30 of the Revised Code, but who are otherwise qualified, to teach classes for not more than a total of twelve hours a week, except that an individual teaching in a STEM school may teach classes for not more than a total of forty hours a week. The state board, by rule, shall set forth the qualifications, other than licensure under sections 3319.22 to 3319.30 of the Revised Code, to be met by individuals in order to be issued a permit as provided in this section. Such qualifications shall include the possession of a baccalaureate, master's, or doctoral degree in, or significant experience related to, the subject the individual is to teach. Applications for permits pursuant to this section shall be made in accordance with section 3319.29 of the Revised Code. The state board, by rule, shall authorize the board of education of each school district and each STEM school to engage individuals holding permits issued under this section to teach classes for not more than the total number of hours a week specified in the permit. The rules shall include provisions with regard to each of the following: