---
type: "Bill"
title: "Schools; requiring statewide assessments to be held in the last four weeks of each school year; effective date; emergency."
description: "Schools; requiring statewide assessments to be held in the last four weeks of each school year; effective date; emergency."
jurisdiction: "us/states/ok"
legislature: "Oklahoma Legislature"
session: "2026"
identifier: "HB 4359"
citation: "Oklahoma HB 4359 (2026)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: ["Moore", "Seifried"]
version_count: 11
action_count: 31
vote_count: 6
first_action: "2026-02-02"
last_action: "2026-05-12"
source: "openstates"
source_identifier: "ocd-bill/9bb95658-0d29-4847-bd82-9bb3af27c6f4"
source_url: "http://www.oklegislature.gov/BillInfo.aspx?Bill=HB4359&session=2600"
source_hash: "b63193f962f8de02a8dc36ba4e2422c7052f5fd42a54b4bb7175bc61833a698a"
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 4359 (2026) — Schools; requiring statewide assessments to be held in the last four weeks of each school year; effective date; emergency.

## Version chain

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

1. **Introduced** (filed) — [source](https://www.oklegislature.gov/cf_pdf/2025-26 INT/hB/HB4359 INT.PDF)
2. **1 Floor Amendment by MOORE (UNTIMELY FILED)** (committee substitute) — [source](https://www.oklegislature.gov/cf_pdf/2025-26 FLOOR AMENDMENTS/House/HB4359 FA1 MOOREAN-SW(UNTIMELY FILED).PDF)
3. **2 Floor Amendment by MOORE (UNTIMELY FILED)** (committee substitute) — [source](https://www.oklegislature.gov/cf_pdf/2025-26 FLOOR AMENDMENTS/House/HB4359 FA2 MOOREAN-SW(UNTIMELY FILED).PDF)
4. **Amended And Engrossed** (committee substitute) — [source](https://www.oklegislature.gov/cf_pdf/2025-26 AMENDMENTS/Amendment and Engr/HB4359 SAHB AND ENGR.PDF)
5. **Committee Amendment 1** (committee substitute) — [source](https://www.oklegislature.gov/cf_pdf/2025-26 COMMITTEE AMENDMENTS/Senate/HB4359 CA1.PDF)
6. **Engrossed** (committee substitute) — [source](https://www.oklegislature.gov/cf_pdf/2025-26 ENGR/hB/HB4359 ENGR.PDF)
7. **Enrolled (final version)** (committee substitute) — [source](https://www.oklegislature.gov/cf_pdf/2025-26 ENR/hB/HB4359 ENR.PDF)
8. **Floor (House)** (committee substitute) — [source](https://www.oklegislature.gov/cf_pdf/2025-26 FLR/HFLR/HB4359 HFLR.PDF)
9. **Floor (Senate)** (committee substitute) — [source](https://www.oklegislature.gov/cf_pdf/2025-26 FLR/SFLR/HB4359 SFLR.PDF)
10. **House Committee Substitute** (committee substitute) — [source](https://www.oklegislature.gov/cf_pdf/2025-26 COMMITTEE SUBS/HCS/HB4359 CS.PDF)
11. **Proposed Committee Substitute (full committee) 1** (committee substitute) — [source](https://www.oklegislature.gov/cf_pdf/2025-26 COMMITTEE AMENDMENTS/House/HB4359 FULLPCS1 DELL KERBS-SW.PDF)

## Votes

- Education Oversight Committee: Do Pass As Amended By Cs — **10–0** (pass) · lower
- Fourth Reading — **70–17** (pass) · lower
- Education — **9–0** (pass) · upper
- Common Education Committee: Do Pass — **11–0** (pass) · lower
- Third Reading — **40–3** (pass) · upper
- Third Reading — **83–10** (pass) · lower

## Sponsors

- Moore — primary (person)
- Seifried — primary (person)

## Timeline

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

- **2026-02-02** First Reading `introduction, reading-1`
- **2026-02-02** Authored by Representative Moore
- **2026-02-03** Second Reading referred to Rules `reading-2, referral-committee`
- **2026-02-04** Withdrawn from Rules Committee
- **2026-02-04** Referred to Education Oversight `referral-committee`
- **2026-02-04** Referred to Common Education `referral-committee`
- **2026-02-10** Policy recommendation to the Education Oversight committee; Do Pass Common Education `committee-passage`
- **2026-02-10** Coauthored by Representative(s) Archer, Caldwell (Chad)
- **2026-02-10** Authored by Senator Seifried (principal Senate author)
- **2026-03-03** CR; Do Pass, amended by committee substitute Education Oversight Committee `committee-passage`
- **2026-03-25** General Order
- **2026-03-25** Amended `amendment-passage`
- **2026-03-25** Third Reading, Measure and Emergency passed: Ayes: 83 Nays: 10 `passage, reading-3`
- **2026-03-25** Referred for engrossment
- **2026-03-30** Engrossed, signed, to Senate `passage`
- **2026-03-30** First Reading `introduction, reading-1`
- **2026-04-01** Second Reading referred to Education `reading-2, referral-committee`
- **2026-04-07** Reported Do Pass as amended Education committee; CR filed `committee-passage`
- **2026-04-09** Placed on General Order
- **2026-04-29** General Order, Considered
- **2026-04-29** Measure and Emergency passed: Ayes: 40 Nays: 3 `passage`
- **2026-04-29** Referred for engrossment
- **2026-04-30** Engrossed to House `passage`
- **2026-04-30** SA's received
- **2026-05-05** SA's read, adopted
- **2026-05-05** Fourth Reading, Measure and Emergency Passed: Ayes: 70 Nays: 17 `passage`
- **2026-05-05** Referred for enrollment
- **2026-05-06** Enrolled, signed, to Senate
- **2026-05-06** Enrolled measure signed, returned to House
- **2026-05-06** Sent to Governor `executive-receipt`
- **2026-05-12** Approved by Governor 05/12/2026 `executive-signature`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/9bb95658-0d29-4847-bd82-9bb3af27c6f4`. Confidence: reported (aggregated from official Oklahoma legislature records).