(2) The secondary foundation per pupil operating rate |
shall be is the summary of actual local operating costs |
of all school administrative units of the base year |
adjusted to the year prior to the year of allocation |
divided by the average total resident pupils in |
sections 5104 and 6004 educated at public expense in |
grades 9 to 12 on April 1st and October 1st of the |
calendar year prior to the year of allocation. |