As used in this chapter, "basic education certificated instructional staff ratio" means the following calculation:

1. (1) Add the full-time equivalent basic education certificated instructional employees, as determined in WAC 392-127-045, as reported on the S-275 and any supplemental full-time equivalent staff reported to the superintendent of public instruction, excluding staff assigned to alternative learning experience programs under RCW 28A.150.325;
2. (2) Divide the result obtained in subsection (1) of this section by the full-time equivalent enrollment for October or that period selected by the school district; and
3. (3) Multiply the result obtained in subsection (2) of this section by one thousand.

[Statutory Authority: RCW 28A.150.100 and 28A.150.290(1). WSR 12-15-028, § 392-127-070, filed 7/11/12, effective 8/11/12. Statutory Authority: RCW 28A.150.290(1). WSR 08-04-027, § 392-127-070, filed 1/29/08, effective 2/29/08. Statutory Authority: RCW 28A.150.290(2) and 28A.150.200(2). WSR 00-02-064, § 392-127-070, filed 1/3/00, effective 2/3/00. Statutory Authority: RCW 28A.150.290. WSR 96-05-022 (Order 96-03), § 392-127-070, filed 2/13/96, effective 3/15/96. Statutory Authority: RCW 28A.41.170(1). WSR 90-12-078 (Order 10), § 392-127-070, filed 6/1/90, effective 7/2/90.]