---
type: "Bill"
title: "computer science; credit; mathematics; science"
description: "computer science; credit; mathematics; science"
jurisdiction: "us/states/az"
legislature: "Arizona Legislature"
session: "54th-1st-regular"
identifier: "HB 2303"
citation: "Arizona HB 2303 (54th-1st-regular)"
classification: ["bill"]
subjects: ["BOARD OF REGENTS", "EDUCATION - TITLE 15", "SCHOOL CURRICULA", "STATE BOARD OF EDUCATION"]
status: "enacted"
primary_sponsors: ["Michelle Udall"]
version_count: 5
action_count: 16
vote_count: 5
first_action: "2019-01-30"
last_action: "2019-04-24"
source: "openstates"
source_identifier: "ocd-bill/bf337ccc-ac94-4b25-9aed-3c1313a48403"
source_url: "https://apps.azleg.gov/BillStatus/BillOverview/71415?SessionId=121"
source_hash: "6737a71c1839afb9a1c00378b55af297a53141d26cb40ba3cbc71c306c2910ea"
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-az"]
---

# Arizona HB 2303 (54th-1st-regular) — computer science; credit; mathematics; science

## Version chain

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

1. **Chaptered Version** (committee substitute) — [source](https://www.azleg.gov/legtext/54leg/1R/laws/0128.htm)
2. **House Engrossed Version** (committee substitute) — [source](https://www.azleg.gov/legtext/54leg/1R/bills/HB2303H.htm)
3. **Introduced Version** (committee substitute) — [source](https://www.azleg.gov/legtext/54leg/1R/bills/HB2303P.htm)
4. **SENATE - Higher Education and Workforce Development - Strike Everything** (committee substitute) — [source](https://www.azleg.gov/legtext/54leg/1R/adopted/S.2303HEWD.DOCX.htm)
5. **Senate Engrossed Version** (committee substitute) — [source](https://www.azleg.gov/legtext/54leg/1R/bills/HB2303S.htm)

## Votes

- Passed — **59–1** (pass) · lower
- Passed — **0–0** (fail) · lower
- do pass amended — **0–0** (fail) · upper
- Passed — **29–0** (pass) · upper
- Passed — **60–0** (pass) · lower

## Sponsors

- Michelle Udall — primary (person)

## Timeline

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

- **2019-01-30** house first reading. `reading-1`
- **2019-02-04** dp `committee-passage`
- **2019-01-31** house second reading `reading-2`
- **2019-02-14** passed `passage, reading-3`
- **2019-02-11** house placed on consent calendar
- **2019-02-26** senate second reading `reading-2`
- **2019-03-18** dpa/se `amendment-passage`
- **2019-02-25** senate first reading `reading-1`
- **2019-04-04** dpa `amendment-passage`
- **2019-02-15** transmit to senate
- **2019-04-10** passed `passage, reading-3`
- **2019-04-10** transmit to house
- **2019-04-18** passed `passage`
- **2019-04-18** transmit to governor `executive-receipt`
- **2019-04-18** passed `passage`
- **2019-04-24** signed by governor `executive-signature`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/bf337ccc-ac94-4b25-9aed-3c1313a48403`. Confidence: reported (aggregated from official Arizona legislature records).