(a) OIEP will add the weights obtained from the calculations in paragraphs (a)(1), (a)(2), and (a)(3) of this section to obtain the total weighted student units (WSUs) for each school.

(1) Each year's ADM is multiplied by the applicable weighted student unit for each grade level;

(2) Calculate any supplemental WSUs generated by the students; and

(3) Calculate any supplemental WSUs generated by the schools.

(b) The total WSU for the school year is the sum of paragraphs (a)(1), (a)(2), and (a)(3) of this section.