RCW 28A.150.100: Basic education certificated instructional staff—Definition—Ratio to students.

(1) For the purposes of this section and RCW 28A.150.410 and 28A.400.200, "basic education certificated instructional staff" means all full-time equivalent classroom teachers, teacher-librarians, counselors, certificated student health services staff, and other certificated instructional staff in the following programs as defined for statewide school district accounting purposes: Basic education, secondary vocational education, general instructional support, and general supportive services.

(2) Each school district shall maintain a ratio of at least 46 basic education certificated instructional staff to 1,000 annual average full-time equivalent students. This requirement does not apply to that portion of a district's annual average full-time equivalent enrollment that is enrolled in alternative learning experience courses as defined in RCW 28A.232.010.