(1) The state funding assistance percentage for which a school district is eligible, if otherwise qualified under prevailing statutory provisions and rules and regulations of the superintendent of public instruction, shall be determined in accordance with the state funding assistance percentage formula set forth in RCW 28A.525.166.

(2) In the event the state funding assistance percentage to any school district computed in accordance with RCW 28A.525.166(2) is less than twenty percent and such school district otherwise is eligible for state funding assistance under statutory provisions and the superintendent of public instruction regulations, the percentage for such district shall be twenty percent of the state allowable costs of the project.

(3) In addition to the computed state funding assistance percentage as stated above, a school district as provided in RCW 28A.525.166(3), shall be entitled to additional percentage points determined by the average percentage of growth for the past three years. One percent shall be added to the computed state funding assistance percentage for each average percent of student growth for the past three years, with a maximum addition of twenty percent. In no case shall the state funding assistance exceed one hundred percent of the maximum allowable cost of the project.

(4) For the purpose of calculating the state funding assistance percentage, the October student headcount (kindergarten through grade twelve students) shall be based on enrollment reported on the October P-223 form on or before the October due date. The headcount shall exclude alternative learning experience (ALE) students who reside outside the school district, as reported on the office of superintendent of public instruction (OSPI) school apportionment and financial services October alternative learning experience monthly enrollment report on or before the November due date.

In accordance with chapter 28A.525 RCW, as an alternative to the above headcount a school district may request the OSPI to increase the headcount by the difference in the number of ALE students, residing outside the district who physically attend the school for more than one hour per day, three days or more per week, compared to the number of ALE students, residing inside the district, that did not physically attend the school for more than one hour per day, three days or more per week.

Any school district requesting the above alternative calculation must do so on an OSPI school facilities and organization alternative calculation for alternative learning students form on or before December 31st of that year.

For purposes of this section (ALE) students shall be defined as in RCW 28A.150.325.