232.248  Confidentiality of assessment instruments.--All examination and assessment instruments, including developmental materials and workpapers directly related thereto, which are prepared, prescribed, or administered pursuant to ss. 229.57, 232.245, 232.246, and 232.247 shall be confidential and exempt from the provisions of s. 119.07(1) and from ss. 229.781 and 230.331. Provisions governing access, maintenance, and destruction of such instruments and related materials shall be prescribed by rules of the state board.