Ohio Rev. Code Ann. § 3319.112
(A) The state board of education shall revise the standards-based state framework for the evaluation of teachers based on the recommendations of the educator standards board established under section 3319.60 of the Revised Code. The state board shall hold at least one public hearing on the revised framework and shall make the full text of the revised framework available at each hearing it holds on the revised framework. Not later than May 1, 2020, the state board shall adopt the revised framework. The state board may update the framework periodically by adoption of a resolution. The framework shall establish an evaluation system that does the following:
(6) Uses at least two measures of high-quality student data to provide evidence of student learning attributable to the teacher being evaluated. The state board shall define "high-quality student data" for this purpose. When applicable to the grade level or subject area taught by a teacher, high-quality student data shall include the value-added progress dimension established under section 3302.021 of the Revised Code, but the teacher or evaluator shall use at least one other measure of high-quality student data to demonstrate student learning. In accordance with the guidance described in division (D)(3) of this section, high-quality student data may be used as evidence in any component of the evaluation related to the following:
(B) For purposes of the framework adopted under this section, the state board also shall do the following:
(1) Revise, as necessary, specific standards and criteria that distinguish between the following levels of performance for teachers and principals for the purpose of assigning ratings on the evaluations conducted under sections 3311.80, 3311.84, 3319.02, and 3319.111 of the Revised Code:
(D) To assist school districts in developing evaluation policies under sections 3311.80, 3311.84, 3319.02, and 3319.111 of the Revised Code, the department shall do all of the following: