(1) The 20 mile minimum described in 20-9-311 (8) , MCA, will be measured as the shortest passable route on a road between one school of the district and another school of the district or between a school of the district and the official boundary of an incorporated city or town located in the district.

(2) Those students in the 7th and 8th grade who are enrolled in programs which were approved and accredited by the Board of Public Education will be considered high school pupils for ANB purposes and for determining the total per-ANB entitlement as provided in 20-9-306 , MCA. The basic entitlement for the budget unit which includes those students will be prorated based on the percentage of total enrollment ANB in grade K-6 times the elementary basic entitlement and the percentage of total enrollment ANB in grades 7 and 8 in the accredited program times the high school basic entitlement. For purposes of the proration of the basic entitlement, the percentages of ANB will be rounded to the nearest whole percentage point before multiplying by the entitlement amount.