---
type: "Bill"
title: "A bill for an act relating to shared operational functions for purposes of supplementary weighting for school districts and including effective date and applicability provisions. (Formerly HF 508 & HF 29.) Effective 6-1-18."
description: "A bill for an act relating to shared operational functions for purposes of supplementary weighting for school districts and including effective date and applicability provisions. (Formerly HF 508 & HF 29.) Effective 6-1-18."
jurisdiction: "us/states/ia"
legislature: "Iowa General Assembly"
session: "2017-2018"
identifier: "HF 633"
citation: "Iowa HF 633 (2017-2018)"
classification: ["bill"]
subjects: ["area education agencies", "education", "school aid law", "school budgets", "school districts", "school finance"]
status: "enacted"
primary_sponsors: []
version_count: 5
action_count: 26
vote_count: 4
first_action: "2017-04-12"
last_action: "2018-06-01"
source: "openstates"
source_identifier: "ocd-bill/faaa007b-1746-4760-9dec-fb7a0f4aa4e7"
source_url: "https://www.legis.iowa.gov/legislation/billTracking/billHistory?billName=HF 633&ga=87"
source_hash: "f8169e9c5df17c1e5e3561a1283cce9f4c3d7c7afe4a7166434eb6b1734d73ed"
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-ia"]
---

# Iowa HF 633 (2017-2018) — A bill for an act relating to shared operational functions for purposes of supplementary weighting for school districts and including effective date and applicability provisions. (Formerly HF 508 & HF 29.) Effective 6-1-18.

## Version chain

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

1. **Introduced** (filed) — [source](https://www.legis.iowa.gov/docs/publications/LGI/87/attachments/HF633.html)
2. **Amendment H-8506** (committee substitute) — [source](https://www.legis.iowa.gov/docs/publications/AMDI/87/H8506.pdf)
3. **Amendment S-5232** (committee substitute) — [source](https://www.legis.iowa.gov/docs/publications/AMDI/87/S5232.pdf)
4. **Amendment S-5312** (committee substitute) — [source](https://www.legis.iowa.gov/docs/publications/AMDI/87/S5312.pdf)
5. **Enrolled** (enrolled) — [source](https://www.legis.iowa.gov/docs/publications/LGE/87/attachments/HF633.html)

## Votes

- Shall the bill pass? — **99–0** (pass) · lower
- Shall the bill pass? — **87–0** (pass) · lower
- Shall the bill pass? — **47–0** (pass) · upper
- Shall amendment S-5312 to amendment S-5232 be adopted? — **47–0** (pass) · upper

## Timeline

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

- **2017-04-12** Introduced, placed on Appropriations calendar. `introduction`
- **2017-04-14** Fiscal note.
- **2017-04-17** Passed House, ayes 99, nays 0. `passage`
- **2017-04-17** Immediate message.
- **2017-04-18** Message from House.
- **2017-04-18** Read first time, referred to Appropriations. `reading-1`
- **2018-01-10** Subcommittee: Kraayenbrink, Hart, and C. Johnson.
- **2018-03-29** Fiscal note.
- **2018-04-09** Committee report, recommending amendment and passage. `committee-passage`
- **2018-04-09** Amendment S-5232 filed. `amendment-introduction`
- **2018-04-10** Fiscal note.
- **2018-05-05** Amendment S-5312 to S-5232 filed, adopted.
- **2018-05-05** Amendment S-5232 adopted, as amended. `amendment-passage`
- **2018-05-05** Passed Senate, ayes 47, nays 0. `passage`
- **2018-05-05** Explanations of votes.
- **2018-05-05** Immediate message.
- **2018-05-05** Message from Senate.
- **2018-05-05** Fiscal note.
- **2018-05-05** Senate amendment H-8506 filed.
- **2018-05-05** House concurred in Senate amendment H-8506.
- **2018-05-05** Passed House, ayes 87, nays none. `passage`
- **2018-05-05** Explanation of vote.
- **2018-05-05** Immediate message.
- **2018-05-05** Message from House.
- **2018-05-11** Reported correctly enrolled, signed by Speaker and President, and sent to Governor.
- **2018-06-01** 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/faaa007b-1746-4760-9dec-fb7a0f4aa4e7`. Confidence: reported (aggregated from official Iowa legislature records).