(

a) For each school district that meets, in the current or prior fiscal year, the conditions specified in

Section or the Superintendent shall compute, for each qualifying school in the school district, an amount pursuant to this article. (b)

(1) The amount of funding for each qualified school district shall equal the sum of all necessary small school allowances calculated for eligible schools within the school district. Subject to paragraph (2), each necessary small school’s allowance shall be the greater of the following: (

A) The necessary small elementary school allowance determined pursuant to

Section for the prior fiscal year average daily attendance and the number of full-time teachers, or the necessary small high school allowance determined pursuant to

Section for the prior fiscal year average daily attendance and the number of certificated employees. (

B) The necessary small elementary school allowance determined pursuant to

Section for the current fiscal year average daily attendance and the number of full-time teachers, or the necessary small high school allowance determined pursuant to

Section for the current fiscal year average daily attendance and the number of certificated employees. (

C) The necessary small elementary school allowance determined pursuant to

Section for the average of the three most recent prior fiscal years’ average daily attendance and the number of full-time teachers, or the necessary small high school allowance determined pursuant to

Section for the average of the three most recent prior fiscal years’ average daily attendance and the number of certificated employees. (2) (

A) If the greatest necessary small school allowance calculated pursuant to paragraph (1) is equal to the amounts computed pursuant to subparagraph (

B) of paragraph (1) and either subparagraph (

A) or (

C) of paragraph (1), the necessary small school allowance shall be calculated based on the amount computed pursuant to subparagraph (

B) of paragraph (1). (

B) If the greatest necessary small school allowance calculated pursuant to paragraph (1) is equal to the amounts computed pursuant to subparagraphs (

A) and (

C) of paragraph (1), the necessary small school allowance shall be calculated based on the amount computed pursuant to subparagraph (

A) of paragraph (1). (

c) For purposes of this section, if the average number of full-time teachers or certificated employees is not a whole number, the resulting figure shall be rounded up to the next whole number.