As used in this chapter, "prior school year" means any one of nine school years immediately preceding the preceding school year.
Wash. Admin. Code § 392-129-040
Statutory Authority: RCW 28A.150.290(2) and 28A.335.030. 90-19-039 (Order 27), § 392-129-040, filed 9/13/90, effective 10/14/90. Statutory Authority: RCW 28A.41.170(2). 90-01-141 (Order 22), § 392-129-040, filed 12/20/89, effective 1/20/90.