Wash. Admin. Code § 415-112-120
Only teachers are eligible to establish membership in TRS.
(1) A teacher is a person who:
(2) For example, persons employed in the following positions are included in the definition of teacher:
(3) For example, persons employed in the following positions are not included in the definition of teacher:
[Statutory Authority: RCW 41.50.050(5) and 41.32.010(29). WSR 05-12-042, § 415-112-120, filed 5/25/05, effective 6/25/05. Statutory Authority: RCW 41.50.050. WSR 95-16-053, § 415-112-120, filed 7/25/95, effective 8/25/95.]