(1) The trustees of a district applying to have a school classified as an isolated school shall provide information as requested by the Superintendent of Public Instruction. Isolation status shall be approved for a period of three consecutive school years, or until there are changes in the approval criteria documentation provided to the Superintendent of Public Instruction. If during that period there are changes in the conditions allowing isolation classification, or the school is no longer accredited by the Board of Public Education, isolation classification is terminated.