---
type: "Bill"
title: "School Curriculum and Standards Modifications"
description: "School Curriculum and Standards Modifications"
jurisdiction: "us/states/ut"
legislature: "Utah Legislature"
session: "2026"
identifier: "HB 312"
citation: "Utah HB 312 (2026)"
classification: ["bill"]
subjects: ["Education", "K-12 Education", "Local Education Agencies (LEAs)", "Standards and Curriculum", "State Board of Education"]
status: "enacted"
primary_sponsors: ["Auxier, Tiara"]
version_count: 17
action_count: 90
vote_count: 4
first_action: "2026-01-21T20:08:09+00:00"
last_action: "2026-03-25T16:18:00+00:00"
source: "openstates"
source_identifier: "ocd-bill/cbd8a760-9cac-4b4e-b418-615ec0c9e0ec"
source_url: "https://le.utah.gov/~2026/bills/static/HB0312.html"
source_hash: "2d51c1995f3e9fefc4f55e9aad19bc80b4be2b834896c33dd44ab8526da9a26a"
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-ut"]
---

# Utah HB 312 (2026) — School Curriculum and Standards Modifications

## Version chain

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

1. **Introduced** (filed) — [source](https://le.utah.gov/Session/2026/bills/introduced/HB0312.xml)
2. **Amended 2/13/2026 10:02:16** (committee substitute) — [source](https://le.utah.gov/Session/2026/bills/amended/AV_HB0312S02_2026-02-13_10-20-44.pdf)
3. **Amended Excerpts 2/13/2026 10:02:16** (committee substitute) — [source](https://le.utah.gov/Session/2026/bills/amended/AP_HB0312S02_2026-02-13_10-20-44.pdf)
4. **Comparison to Original Bill** (committee substitute) — [source](https://le.utah.gov/Session/2026/bills/introduced/CP HB0312 To HB0312S01.pdf)
5. **Comparison to Sub #1** (committee substitute) — [source](https://le.utah.gov/Session/2026/bills/introduced/CP HB0312S01 To HB0312S02.pdf)
6. **Comparison to Sub #2** (committee substitute) — [source](https://le.utah.gov/Session/2026/bills/introduced/CP HB0312S02 To HB0312S03.pdf)
7. **Comparison to Sub #3** (committee substitute) — [source](https://le.utah.gov/Session/2026/bills/introduced/CP HB0312S03 To HB0312S04.pdf)
8. **Comparison to Sub #4** (committee substitute) — [source](https://le.utah.gov/Session/2026/bills/introduced/CP HB0312S04 To HB0312S05.pdf)
9. **Comparison to Sub #5** (committee substitute) — [source](https://le.utah.gov/Session/2026/bills/introduced/CP HB0312S05 To HB0312S06.pdf)
10. **House Amendment 1** (committee substitute) — [source](https://le.utah.gov/Session/2026/bills/amended/HB0312S02.Hamd.1.pdf)
11. **Substitute #1** (committee substitute) — [source](https://le.utah.gov/Session/2026/bills/introduced/HB0312S01.xml)
12. **Substitute #2** (committee substitute) — [source](https://le.utah.gov/Session/2026/bills/introduced/HB0312S02.xml)
13. **Substitute #3** (committee substitute) — [source](https://le.utah.gov/Session/2026/bills/introduced/HB0312S03.xml)
14. **Substitute #4** (committee substitute) — [source](https://le.utah.gov/Session/2026/bills/introduced/HB0312S04.xml)
15. **Substitute #5** (committee substitute) — [source](https://le.utah.gov/Session/2026/bills/introduced/HB0312S05.xml)
16. **Substitute #6** (committee substitute) — [source](https://le.utah.gov/Session/2026/bills/introduced/HB0312S06.xml)
17. **Enrolled** (enrolled) — [source](https://le.utah.gov/Session/2026/bills/enrolled/HB0312.xml)

## Votes

- Senate/ passed 2nd & 3rd readings/ suspension — **20–8** (pass) · upper
- Senate Conference Committee - Final Passage — **19–5** (pass) · upper
- House/ passed 3rd reading — **51–17** (pass) · lower
- House Conference Committee - Final Passage — **65–3** (pass) · lower

## Sponsors

- Auxier, Tiara — primary (person)
- Fillmore, Lincoln — cosponsor (person)

## Timeline

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

- **2026-01-21T20:08:09+00:00** Bill Numbered but not Distributed
- **2026-01-21T20:08:09+00:00** Numbered Bill Publicly Distributed
- **2026-01-21T20:08:10+00:00** LFA/ bill assigned to staff for fiscal analysis for HB0312
- **2026-01-21T20:08:10+00:00** LFA/ bill sent to agencies for fiscal input for HB0312
- **2026-01-22T17:15:56+00:00** House/ received bill from Legislative Research `receipt`
- **2026-01-22T18:20:52+00:00** House/ 1st reading (Introduced)
- **2026-01-23T15:18:59+00:00** LFA/ fiscal note sent to sponsor for HB0312
- **2026-01-23T22:47:55+00:00** LFA/ fiscal note publicly available for HB0312
- **2026-01-23T22:48:24+00:00** LFA/ fiscal note publicly available for HB0312
- **2026-01-26T16:47:39+00:00** House/ received fiscal note from Fiscal Analyst `receipt`
- **2026-01-28T19:09:56+00:00** House/ to standing committee [House Education Committee] `referral-committee`
- **2026-02-04T21:42:45+00:00** LFA/ bill assigned to staff for fiscal analysis for HB0312S01
- **2026-02-04T21:42:45+00:00** LFA/ bill sent to agencies for fiscal input for HB0312S01
- **2026-02-04T23:55:59+00:00** House Comm - Held [House Education Committee]
- **2026-02-06T22:08:54+00:00** LFA/ fiscal note sent to sponsor for HB0312S01
- **2026-02-11T18:24:33+00:00** LFA/ fiscal note publicly available for HB0312S01
- **2026-02-12T20:18:21+00:00** LFA/ bill assigned to staff for fiscal analysis for HB0312S02
- **2026-02-12T20:18:21+00:00** LFA/ bill sent to agencies for fiscal input for HB0312S02
- **2026-02-13T00:27:08+00:00** House Comm - Substitute Recommendation [House Education Committee]
- **2026-02-13T00:27:54+00:00** House Comm - Amendment Recommendation [House Education Committee] `amendment-introduction`
- **2026-02-13T00:28:28+00:00** House Comm - Favorable Recommendation [House Education Committee] `committee-passage-favorable`
- **2026-02-13T17:20:26+00:00** House/ comm rpt/ substituted/ amended [House Education Committee] `amendment-passage`
- **2026-02-13T17:20:27+00:00** House/ 2nd reading
- **2026-02-17T15:08:18+00:00** LFA/ fiscal note sent to sponsor for HB0312S02
- **2026-02-18T17:29:35+00:00** LFA/ fiscal note publicly available for HB0312S02
- **2026-02-21T00:03:22+00:00** House/ 3rd reading
- **2026-02-21T00:15:42+00:00** House/ passed 3rd reading `passage`
- **2026-02-21T00:15:44+00:00** House/ to Senate
- **2026-02-21T00:56:22+00:00** Senate/ received from House `receipt`
- **2026-02-23T17:16:37+00:00** Senate/ 1st reading (Introduced)
- **2026-02-24T21:12:35+00:00** Senate/ to standing committee [Senate Education Committee] `referral-committee`
- **2026-03-02T23:29:59+00:00** LFA/ bill assigned to staff for fiscal analysis for HB0312S03
- **2026-03-02T23:29:59+00:00** LFA/ bill sent to agencies for fiscal input for HB0312S03
- **2026-03-03T00:59:57+00:00** Senate Comm - Favorable Recommendation [Senate Education Committee] `committee-passage-favorable`
- **2026-03-03T16:33:03+00:00** Senate/ committee report favorable [Senate Education Committee] `committee-passage-favorable`
- **2026-03-03T16:33:04+00:00** Senate/ placed on 2nd Reading Calendar
- **2026-03-04T00:15:26+00:00** LFA/ fiscal note sent to sponsor for HB0312S03
- **2026-03-04T15:15:21+00:00** LFA/ fiscal note publicly available for HB0312S03
- **2026-03-04T16:35:09+00:00** LFA/ bill assigned to staff for fiscal analysis for HB0312S04
- **2026-03-04T16:35:09+00:00** LFA/ bill sent to agencies for fiscal input for HB0312S04
- **2026-03-04T23:40:47+00:00** LFA/ fiscal note sent to sponsor for HB0312S04
- **2026-03-04T23:45:01+00:00** LFA/ bill assigned to staff for fiscal analysis for HB0312S05
- **2026-03-04T23:45:01+00:00** LFA/ bill sent to agencies for fiscal input for HB0312S05
- **2026-03-05T00:01:12+00:00** LFA/ fiscal note publicly available for HB0312S04
- **2026-03-05T00:03:14+00:00** Senate/ 2nd Reading Calendar to Rules [Senate Rules Committee] `reading-2`
- **2026-03-05T00:08:09+00:00** Senate/ Rules to 2nd Reading Calendar
- **2026-03-05T00:12:57+00:00** LFA/ fiscal note sent to sponsor for HB0312S05
- **2026-03-05T01:26:43+00:00** LFA/ fiscal note publicly available for HB0312S05
- **2026-03-05T02:24:36+00:00** Senate/ 2nd & 3rd readings/ suspension
- **2026-03-05T02:27:30+00:00** Senate/ substituted
- **2026-03-05T02:34:37+00:00** Senate/ passed 2nd & 3rd readings/ suspension
- **2026-03-05T02:34:38+00:00** Senate/ to House with amendments
- **2026-03-05T17:12:37+00:00** House/ received from Senate `receipt`
- **2026-03-05T17:12:38+00:00** House/ placed on Concurrence Calendar
- **2026-03-05T18:54:23+00:00** House/ refuse to concur with Senate amendment
- **2026-03-05T18:54:24+00:00** House/ to Senate
- **2026-03-05T18:54:52+00:00** House/ refuse to concur with Senate amendment
- **2026-03-05T18:54:53+00:00** House/ to Senate
- **2026-03-05T21:54:29+00:00** Senate/ refused to recede from Senate amendments
- **2026-03-05T21:56:02+00:00** Senate Conference Committee Appointed [Conference Committee] `referral-committee`
- **2026-03-05T21:56:03+00:00** Senate/ to House
- **2026-03-05T22:08:15+00:00** House/ received from Senate `receipt`
- **2026-03-05T22:08:16+00:00** House Conference Committee Appointed [Conference Committee] `referral-committee`
- **2026-03-05T22:08:17+00:00** House/ to Senate
- **2026-03-05T23:18:18+00:00** LFA/ bill assigned to staff for fiscal analysis for HB0312S06
- **2026-03-05T23:18:18+00:00** LFA/ bill sent to agencies for fiscal input for HB0312S06
- **2026-03-05T23:19:13+00:00** Bill Substituted by Conference Committee [Conference Committee]
- **2026-03-05T23:19:46+00:00** Conference Committee Report [Conference Committee]
- **2026-03-06T00:31:26+00:00** LFA/ fiscal note sent to sponsor for HB0312S06
- **2026-03-06T00:58:48+00:00** Senate/ received from House `receipt`
- **2026-03-06T00:58:49+00:00** Senate Motion to Adopt Joint Conference Comm Rpt [Conference Committee]
- **2026-03-06T01:00:12+00:00** Senate Conference Committee - Final Passage [Conference Committee] `passage`
- **2026-03-06T01:00:12+00:00** Senate/ to House
- **2026-03-06T01:44:44+00:00** LFA/ fiscal note publicly available for HB0312S06
- **2026-03-06T03:18:24+00:00** House/ received from Senate `receipt`
- **2026-03-06T03:18:25+00:00** House Motion to Adopt Joint Conference Comm Rpt [Conference Committee]
- **2026-03-06T03:20:17+00:00** House Conference Committee - Final Passage [Senate President] `passage`
- **2026-03-06T03:20:18+00:00** House/ to Senate
- **2026-03-06T18:01:12+00:00** Senate/ received from House `receipt`
- **2026-03-06T18:01:13+00:00** Senate/ signed by President/ returned to House `passage`
- **2026-03-06T18:01:14+00:00** Senate/ to House
- **2026-03-06T22:35:33+00:00** House/ received from Senate `receipt`
- **2026-03-06T22:35:34+00:00** House/ signed by Speaker/ sent for enrolling `passage`
- **2026-03-10T15:46:27+00:00** Bill Received from House for Enrolling
- **2026-03-10T15:46:30+00:00** Draft of Enrolled Bill Prepared
- **2026-03-11T16:51:46+00:00** Enrolled Bill Returned to House or Senate `enrolled`
- **2026-03-11T16:51:48+00:00** House/ enrolled bill to Printing
- **2026-03-12T18:32:31+00:00** House/ received enrolled bill from Printing `receipt`
- **2026-03-12T18:32:33+00:00** House/ to Governor `executive-receipt`
- **2026-03-25T16:18:00+00:00** Governor Signed `executive-signature`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/cbd8a760-9cac-4b4e-b418-615ec0c9e0ec`. Confidence: reported (aggregated from official Utah legislature records).