---
type: "Bill"
title: "Regarding a curriculum for the prevention of sexual abuse of students."
description: "Regarding a curriculum for the prevention of sexual abuse of students."
jurisdiction: "us/states/wa"
legislature: "Washington Legislature"
session: "2017-2018"
identifier: "HB 1539"
citation: "Washington HB 1539 (2017-2018)"
classification: ["bill"]
subjects: ["SCHOOLS AND SCHOOL DISTRICTS", "SEX OFFENSES AND OFFENDERS", "LEGISLATURE"]
status: "enacted"
primary_sponsors: ["Mosbrucker"]
version_count: 2
action_count: 37
vote_count: 3
first_action: "2017-01-23"
last_action: "2018-03-15"
source: "openstates"
source_identifier: "ocd-bill/ff2246d8-84de-4041-b792-6157f190e107"
source_url: "http://apps.leg.wa.gov/billinfo/summary.aspx?bill=1539&year=2017"
source_hash: "f26a267f49c457da813c3de1fea305dc608a77bfa4f24efbc7c139503da106b8"
vintage: "2026-07-01"
source_snapshot: "https://data.openstates.org/daily/2026-07-01/public.pgdump"
retrieved_at: "2026-07-06"
confidence: "reported"
tags: ["legislation", "bill", "us-wa"]
---

# Washington HB 1539 (2017-2018) — Regarding a curriculum for the prevention of sexual abuse of students.

## Version chain

The bill's text revisions, in order — the diff chain from filing to enrollment.

1. **Bill** (committee substitute) — [source](http://lawfilesext.leg.wa.gov/Biennium/2017-18/Htm/Bills/House%20Bills/1539.htm)
2. **Substitute Bill** (committee substitute) — [source](http://lawfilesext.leg.wa.gov/Biennium/2017-18/Htm/Bills/House%20Bills/1539-S.htm)

## Votes

- Final Passage (#35) — **98–0** (pass) · lower
- Final Passage as Amended by the Senate (#11) — **49–0** (pass) · upper
- Final Passage as Amended by the Senate (#3) — **98–0** (pass) · lower

## Sponsors

- Mosbrucker — primary (person)
- Caldier — cosponsor (person)
- Dent — cosponsor (person)
- Doglio — cosponsor (person)
- Gregerson — cosponsor (person)
- Griffey — cosponsor (person)
- Kagi — cosponsor (person)
- Kraft — cosponsor (person)
- Orwall — cosponsor (person)
- Senn — cosponsor (person)
- Smith — cosponsor (person)

## Timeline

The legislative action history — every referral, reading, and vote.

- **2017-01-23** First reading, referred to Education (Not Officially read and referred until adoption of Introduction report). `reading-1`
- **2017-04-24** By resolution, reintroduced and retained in present status.
- **2017-05-23** By resolution, reintroduced and retained in present status.
- **2017-06-21** By resolution, reintroduced and retained in present status.
- **2018-01-08** By resolution, reintroduced and retained in present status.
- **2018-01-30** ED - Majority; 1st substitute bill be substituted, do pass. `passage`
- **2018-02-02** Referred to Appropriations.
- **2018-02-06** APP - Majority; do pass 1st substitute bill proposed by Education.
- **2018-02-06** Referred to Rules 2 Review.
- **2018-02-08** Rules Committee relieved of further consideration. Placed on second reading.
- **2018-02-12** 1st substitute bill substituted. `substitution`
- **2018-01-30** ED - Majority; 1st substitute bill be substituted, do pass. `passage`
- **2018-02-02** Referred to Appropriations.
- **2018-02-06** APP - Majority; do pass 1st substitute bill proposed by Education.
- **2018-02-06** Referred to Rules 2 Review.
- **2018-02-08** Rules Committee relieved of further consideration. Placed on second reading.
- **2018-02-12** 1st substitute bill substituted. `substitution`
- **2018-02-12** Rules suspended. Placed on Third Reading.
- **2018-02-12** Third reading, passed; yeas, 98; nays, 0; absent, 0; excused, 0. `reading-3`
- **2018-02-14** First reading, referred to Early Learning & K-12 Education. `reading-1`
- **2018-02-20** EDU - Majority; do pass.
- **2018-02-20** And refer to Ways & Means. `referral-committee`
- **2018-02-22** Referred to Ways & Means.
- **2018-02-26** WM - Majority; do pass with amendment(s) by Ways & Means.
- **2018-02-26** Passed to Rules Committee for second reading.
- **2018-02-27** Placed on second reading by Rules Committee.
- **2018-03-01** Committee amendment(s) adopted with no other amendments.
- **2018-03-01** Rules suspended. Placed on Third Reading.
- **2018-03-01** Third reading, passed; yeas, 49; nays, 0; absent, 0; excused, 0. `reading-3`
- **2018-03-05** House concurred in Senate amendments.
- **2018-03-05** Passed final passage; yeas, 98; nays, 0; absent, 0; excused, 0. `passage`
- **2018-03-08** Speaker signed. `passage`
- **2018-03-08** President signed. `passage`
- **2018-03-08** Delivered to Governor.
- **2018-03-15** Governor signed. `executive-signature`
- **2018-03-15** Chapter 64, 2018 Laws. `became-law`
- **2018-03-15** Effective date 6/7/2018**. `became-law`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/ff2246d8-84de-4041-b792-6157f190e107`. Confidence: reported (aggregated from official Washington legislature records).