Wash. Admin. Code § 392-342-020
The superintendent of public instruction together with the school district shall conduct a review and evaluation of sites for new and existing state funding assisted projects. In selecting sites for schools, a district shall consider the following:
(2) The site is of sufficient size to meet the needs of the facility. The minimum acreage of the site should be five usable acres and one additional usable acre for each one hundred students or portion thereof of projected maximum enrollment plus an additional five usable acres if the school contains any grade above grade six. A district considering the use of a site that is less than the recommended minimum usable acreage should assure that:
[Statutory Authority: RCW 28A.525.020. WSR 10-09-008, § 392-342-020, filed 4/8/10, effective 5/9/10; WSR 06-16-032, recodified as § 392-342-020, filed 7/25/06, effective 8/25/06; WSR 98-19-140, § 180-26-020, filed 9/23/98, effective 10/24/98. Statutory Authority: RCW 28A.525.020 and 1992 c 233 § 24 (8)(e). WSR 94-01-014, § 180-26-020, filed 12/3/93, effective 1/3/94; WSR 93-07-104, § 180-26-020, filed 3/23/93, effective 4/23/93. Statutory Authority: RCW 28A.525.020 and 28A.525.164. WSR 91-12-057, § 180-26-020, filed 6/5/91, effective 7/6/91. Statutory Authority: RCW 28A.47.830. WSR 83-21-065 (Order 10-83), § 180-26-020, filed 10/17/83.]