A copy of any part of the recorded proceedings of the board certified by the executive director, or a certificate by the executive director that any asserted or purported record, name, license number, restricted permit number or action is not entered in the recorded proceedings of the board, may be admitted as evidence in any court in this state. A person making application and paying a fee set by the board may procure from the executive director a certified copy of any portion of the records of the board unless these records are classified as confidential as provided by law. Unless otherwise provided by law, all records concerning an investigation, examination materials, records of examination grading and applicants’ performance and transcripts of educational institutions concerning applicants are confidential and are not public records. "Records of applicants’ performance" does not include records of whether an applicant passed or failed an examination.