T he department shall calculate the academic growth school performance index (SPI) key indicator score of each public school using student growth percentiles to calculate growth in English language arts and in mathematics, based on the percentage of students achieving tier one, tier two, or tier three growth. The department shall calculate the academic growth key indicator as follows:

1. (1) Multiply ten points by the percentage of all full academic year students in the school who reached tier one, tier two, or tier three growth in English language arts;
2. (2) Multiply ten points by the percentage of all full academic year students in the school who reached tier one, tier two, or tier three growth in mathematics;
3. (3) Multiply ten points by the percentage of full academic year students in the lowest one fourth of students in the school based on prior year assessment scores for whom growth is calculated in English language arts who reached tier one, tier two, or tier three growth in English language arts;
4. (4) Multiply ten points by the percentage of full academic year students in the lowest one fourth of students in the school based on prior year assessment scores for whom growth is calculated in mathematics who reached tier one, tier two, or tier three growth in mathematics; and

5. (5) Add the numbers obtained subdivisions (1) through (4), inclusive.

   This calculation is illustrated in Appendix M at the end of this chapter.

Source: 39 SDR 51, effective October 3, 2012; 42 SDR 98, effective January 7, 2016; 44 SDR 95, effective December 6, 2017; 44 SDR 192, effective July 2, 2018 ; 49 SDR 35, effective October 10, 2022 .

General Authority: SDCL 13-3-69 (2)(5).

Law Implemented: SDCL 13-3-62 to 13-3-65 , inclusive, 13-3-69 .

Prior versions effective: 2018-07-02, 2017-12-06, 2016-01-07, 2012-10-03.