---
type: "Bill"
title: "Teacher certification; teacher preparation programs; deleting reference; requiring teacher candidates to study trauma-informed responsive instruction; effective date."
description: "Teacher certification; teacher preparation programs; deleting reference; requiring teacher candidates to study trauma-informed responsive instruction; effective date."
jurisdiction: "us/states/ok"
legislature: "Oklahoma Legislature"
session: "2020"
identifier: "HB 1905"
citation: "Oklahoma HB 1905 (2020)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: ["Conley", "David"]
version_count: 7
action_count: 35
vote_count: 2
first_action: "2019-02-04"
last_action: "2019-04-30"
source: "openstates"
source_identifier: "ocd-bill/e97a4e17-889f-43d9-a4af-aa83c13ab668"
source_url: "http://www.oklegislature.gov/BillInfo.aspx?Bill=HB1905&session=2000"
source_hash: "8e1a590dac6d872127f60a60cc974ca45bc3c78dafafd745670b9e72e9e7e6a2"
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-ok"]
---

# Oklahoma HB 1905 (2020) — Teacher certification; teacher preparation programs; deleting reference; requiring teacher candidates to study trauma-informed responsive instruction; effective date.

## Version chain

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

1. **Introduced** (filed) — [source](http://webserver1.lsb.state.ok.us/cf_pdf/2019-20 INT/hB/HB1905 INT.PDF)
2. **Engrossed** (committee substitute) — [source](http://webserver1.lsb.state.ok.us/cf_pdf/2019-20 ENGR/hB/HB1905 ENGR.PDF)
3. **Enrolled (final version)** (committee substitute) — [source](http://webserver1.lsb.state.ok.us/cf_pdf/2019-20 ENR/hB/HB1905 ENR.PDF)
4. **Floor (House)** (committee substitute) — [source](http://webserver1.lsb.state.ok.us/cf_pdf/2019-20 FLR/HFLR/HB1905 HFLR.PDF)
5. **Floor (Senate)** (committee substitute) — [source](http://webserver1.lsb.state.ok.us/cf_pdf/2019-20 FLR/SFLR/HB1905 SFLR.PDF)
6. **HB1905 FULLPCS1 SHERRIE CONLEY-EK.PDF** (committee substitute) — [source](http://webserver1.lsb.state.ok.us/cf_pdf/2019-20 COMMITTEE AMENDMENTS/House/HB1905 FULLPCS1 SHERRIE CONLEY-EK.PDF)
7. **House Committee Substitute** (committee substitute) — [source](http://webserver1.lsb.state.ok.us/cf_pdf/2019-20 COMMITTEE SUBS/HCS/HB1905 CS.PDF)

## Votes

- THIRD READING — **91–2** (pass) · lower
- THIRD READING — **42–0** (pass) · upper

## Sponsors

- Conley — primary (person)
- David — primary (person)

## Timeline

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

- **2019-02-04** First Reading `introduction, reading-1`
- **2019-02-04** Authored by Representative Conley
- **2019-02-05** Second Reading referred to Rules `referral-committee, reading-2`
- **2019-02-13** Withdrawn from Rules Committee
- **2019-02-13** Referred to Higher Education and Career Tech `referral-committee`
- **2019-02-27** CR; Do Pass, amended by committee substitute Higher Education and Career Tech Committee `committee-passage`
- **2019-03-07** General Order
- **2019-03-07** Authored by Senator David (principal Senate author)
- **2019-03-07** Third Reading, Measure passed: Ayes: 91 Nays: 2 `passage, reading-3`
- **2019-03-07** Referred for engrossment
- **2019-03-11** Engrossed, signed, to Senate `passage`
- **2019-03-11** First Reading `introduction, reading-1`
- **2019-03-12** Coauthored by Representative Fugate
- **2019-03-12** Coauthored by Representative Provenzano
- **2019-03-12** Coauthored by Representative Virgin
- **2019-03-12** Coauthored by Representative Pae
- **2019-03-12** Coauthored by Representative Sneed
- **2019-03-12** Coauthored by Representative Rosecrants
- **2019-03-12** Coauthored by Representative Munson
- **2019-03-12** Coauthored by Representative Miller
- **2019-03-12** Coauthored by Representative Phillips
- **2019-03-12** Coauthored by Representative Albright
- **2019-03-25** Second Reading referred to Education `referral-committee, reading-2`
- **2019-03-26** Coauthored by Senator Hicks
- **2019-03-26** Coauthored by Senator Kirt
- **2019-03-26** Coauthored by Senator Floyd
- **2019-04-02** Reported Do Pass Education committee; CR filed `committee-passage`
- **2019-04-24** General Order, Considered
- **2019-04-24** Measure passed: Ayes: 42 Nays: 0 `passage`
- **2019-04-24** Engrossed measure signed, returned to House `passage`
- **2019-04-24** Referred for enrollment
- **2019-04-25** Enrolled, signed, to Senate
- **2019-04-25** Enrolled measure signed, returned to House
- **2019-04-25** Sent to Governor `executive-receipt`
- **2019-04-30** Approved by Governor 04/30/2019 `executive-signature`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/e97a4e17-889f-43d9-a4af-aa83c13ab668`. Confidence: reported (aggregated from official Oklahoma legislature records).