Notwithstanding the provisions of § 10-151c, a local or regional board of education shall provide the Commissioner of Children and Families, upon request and for the purposes of an investigation by the commissioner of suspected child abuse or neglect by a teacher employed by such board of education, any records maintained or kept on file by such board of education. Such records shall include, but not be limited to, supervisory records, reports of competence, personal character and efficiency maintained in such teacher’s personnel file with reference to evaluation of performance as a professional employee of such board of education, and records of the personal misconduct of such teacher. For purposes of this section, “teacher” includes each certified professional employee below the rank of superintendent employed by a board of education in a position requiring a certificate issued by the State Board of Education.