Each district operating an alternative school shall annually evaluate such school. The evaluation shall include testing of basic skills for student participants, and must identify the variables which may have affected student academic achievement. The process of evaluation shall also include teacher, parent, and student input from the alternative school itself. These evaluation reports shall be sent to the Superintendent of Public Instruction on or before August 1st of the following year and shall be annually reviewed by persons designated by the superintendent who are not employed by the district operating the alternative school under review.