---
type: "Bill"
title: "Establish education inflation reconciliation process"
description: "Establish education inflation reconciliation process"
jurisdiction: "us/states/mt"
legislature: "Montana Legislature"
session: "2025"
identifier: "HB 266"
citation: "Montana HB 266 (2025)"
classification: ["bill"]
subjects: ["Education - K-12", "Education - School Finance"]
status: "enacted"
primary_sponsors: ["Luke Muszkiewicz"]
version_count: 77
action_count: 66
vote_count: 10
first_action: "2024-12-12T21:59:54+00:00"
last_action: "2025-05-06T03:38:05+00:00"
source: "openstates"
source_identifier: "ocd-bill/195c496d-0656-4c4a-88f7-272fe91aa3d0"
source_url: "https://bills.legmt.gov/#/laws/bill/2/LC2919?open_tab=sum"
source_hash: "1a7e040513a190f8ba13c07dd0eb116417f150151ee8d223c344a9d9d0885112"
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-mt"]
---

# Montana HB 266 (2025) — Establish education inflation reconciliation process

## Version chain

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

1. **HB0266.001.001_Amendments-in-Context_final-full.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=278257)
2. **HB0266.002.001_Amendments-in-Context_final-full.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=284636)
3. **HB0266.002.001_Amendments-in-Context_final-not condensed.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=284638)
4. **HB0266.003.001_Amendments-in-Context_final-condensed.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=297861)
5. **HB0266.003.001_Amendments-in-Context_final-full.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=297860)
6. **HB0266_1(1).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=273140)
7. **HB0266_1(2).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=275400)
8. **HB0266_1(3).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=276448)
9. **HB0266_1(4).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=281043)
10. **HB0266_1(5).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=281044)
11. **HB0266_1(6).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=281045)
12. **HB0266_1(7).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=281046)
13. **HB0266_1.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=272993)
14. **HB0266_2(1).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=281048)
15. **HB0266_2(10).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=287479)
16. **HB0266_2(11).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=287480)
17. **HB0266_2(12).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=287481)
18. **HB0266_2(13).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=287482)
19. **HB0266_2(2).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=281049)
20. **HB0266_2(3).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=281050)
21. **HB0266_2(4).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=281065)
22. **HB0266_2(5).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=281068)
23. **HB0266_2(6).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=281088)
24. **HB0266_2(7).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=281091)
25. **HB0266_2(8).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=281094)
26. **HB0266_2(9).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=281105)
27. **HB0266_2.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=281047)
28. **HB0266_3(1).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=287484)
29. **HB0266_3(10).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=296378)
30. **HB0266_3(11).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=296379)
31. **HB0266_3(12).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=296381)
32. **HB0266_3(13).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=296382)
33. **HB0266_3(14).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=296384)
34. **HB0266_3(15).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=296385)
35. **HB0266_3(16).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=296386)
36. **HB0266_3(17).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=296387)
37. **HB0266_3(18).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=296388)
38. **HB0266_3(19).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=298339)
39. **HB0266_3(2).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=287486)
40. **HB0266_3(20).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=298342)
41. **HB0266_3(21).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=298354)
42. **HB0266_3(22).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=298530)
43. **HB0266_3(23).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=299102)
44. **HB0266_3(24).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=299103)
45. **HB0266_3(25).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=299104)
46. **HB0266_3(26).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=299105)
47. **HB0266_3(3).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=287487)
48. **HB0266_3(4).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=287569)
49. **HB0266_3(5).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=287578)
50. **HB0266_3(6).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=287580)
51. **HB0266_3(7).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=287614)
52. **HB0266_3(8).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=296376)
53. **HB0266_3(9).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=296377)
54. **HB0266_3.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=287483)
55. **HB0266_4(1).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=299107)
56. **HB0266_4(10).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=311154)
57. **HB0266_4(2).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=299131)
58. **HB0266_4(3).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=299132)
59. **HB0266_4(4).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=299133)
60. **HB0266_4(5).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=299134)
61. **HB0266_4(6).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=299143)
62. **HB0266_4(7).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=299156)
63. **HB0266_4(8).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=303426)
64. **HB0266_4(9).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=311151)
65. **HB0266_4.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=299106)
66. **HB0266_X(1).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=311156)
67. **HB0266_X(10).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=326717)
68. **HB0266_X(2).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=311157)
69. **HB0266_X(3).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=311416)
70. **HB0266_X(4).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=311417)
71. **HB0266_X(5).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=311419)
72. **HB0266_X(6).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=311420)
73. **HB0266_X(7).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=317003)
74. **HB0266_X(8).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=320572)
75. **HB0266_X(9).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=324617)
76. **HB0266_X.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=311155)
77. **LC2919.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=269383)

## Votes

- be_concurred_in_as_amended — **8–6** (pass) · upper
- Do Pass — **91–8** (pass) · lower
- Do Concur — **77–20** (pass) · lower
- Do Concur — **90–10** (pass) · lower
- Do Concur — **31–19** (pass) · upper
- Do Concur — **34–16** (pass) · upper
- do_pass_as_amended — **23–0** (pass) · lower
- Do Pass — **77–22** (pass) · lower
- do_pass_as_amended — **15–0** (pass) · lower
- Do Pass — **88–9** (pass) · lower

## Sponsors

- Luke Muszkiewicz — primary (person)

## Timeline

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

- **2024-12-12T21:59:54+00:00** (LC) Drafter Assigned
- **2024-12-21T17:32:27+00:00** (LC) Draft in Legal Review
- **2024-12-21T17:49:56+00:00** (LC) Draft in Edit
- **2024-12-23T18:57:31+00:00** (LC) Draft in Input/Proofing
- **2024-12-28T17:49:54+00:00** (LC) Draft in Final Drafter Review
- **2024-12-28T17:55:07+00:00** (LC) Draft in Assembly
- **2024-12-31T20:46:11+00:00** (LC) Draft Ready for Delivery
- **2025-01-20T19:10:13+00:00** (LC) Draft Delivered to Requester
- **2025-01-21T16:16:13+00:00** (H) Introduced
- **2025-01-21T16:27:04+00:00** (H) Fiscal Note Requested
- **2025-01-21T17:20:54+00:00** (H) Referred to Committee - (H) Education `referral-committee`
- **2025-01-21T20:08:32+00:00** (H) First Reading `reading-1`
- **2025-01-23T18:52:29+00:00** (H) Hearing - (H) Education
- **2025-01-27T15:13:29+00:00** (H) Fiscal Note Received `receipt`
- **2025-01-27T22:00:42+00:00** (H) Fiscal Note Unsigned
- **2025-01-27T22:01:03+00:00** (H) Sponsor Rebuttal to Fiscal Note Requested
- **2025-01-27T22:01:40+00:00** (H) Sponsor Rebuttal to Fiscal Note Received `receipt`
- **2025-01-27T22:01:47+00:00** (H) Sponsor Rebuttal to Fiscal Note Signed
- **2025-01-28T14:06:42+00:00** (H) Fiscal Note Printed
- **2025-01-28T14:06:52+00:00** (H) Sponsor Rebuttal to Fiscal Note Printed
- **2025-01-30T20:35:00+00:00** (H) Hearing Canceled - (H) Education
- **2025-02-07T22:37:23+00:00** (H) Committee Executive Action--Bill Passed as Amended - (H) Education `committee-passage`
- **2025-02-07T22:56:48+00:00** (H) Committee Executive Action--Bill Passed as Amended - (H) Education `committee-passage`
- **2025-02-10T20:23:00+00:00** (H) Committee Report--Bill Passed as Amended - (H) Education `committee-passage`
- **2025-02-11T14:27:58+00:00** (H) Revised Fiscal Note Requested
- **2025-02-13T20:21:41+00:00** (H) Revised Fiscal Note Received `receipt`
- **2025-02-13T20:39:00+00:00** (H) 2nd Reading Pass Consideration `reading-2`
- **2025-02-14T00:18:00+00:00** (H) Revised Fiscal Note Signed
- **2025-02-14T17:18:00+00:00** (H) Revised Fiscal Note Printed
- **2025-02-14T20:16:00+00:00** (H) 2nd Reading Passed `reading-2, reading-2`
- **2025-02-14T21:30:00+00:00** (H) Motion Carried
- **2025-02-14T21:31:00+00:00** (H) Rereferred to Committee - (H) Appropriations `referral-committee, referral-committee`
- **2025-02-14T21:58:31+00:00** (H) Hearing - (H) Appropriations
- **2025-02-25T00:21:18+00:00** (H) Committee Executive Action--Bill Passed as Amended - (H) Appropriations `committee-passage`
- **2025-02-25T16:53:20+00:00** (H) Revised Fiscal Note Requested
- **2025-02-25T20:14:00+00:00** (H) Committee Report--Bill Passed as Amended - (H) Appropriations `committee-passage`
- **2025-02-27T20:05:00+00:00** (H) Revised Fiscal Note Received `receipt`
- **2025-02-27T20:10:00+00:00** (H) Revised Fiscal Note Signed
- **2025-02-27T23:37:11+00:00** (H) Revised Fiscal Note Printed
- **2025-02-28T21:28:00+00:00** (H) 2nd Reading Passed `reading-2, reading-2`
- **2025-03-01T22:15:00+00:00** (H) 3rd Reading Passed `passage, reading-3`
- **2025-03-03T20:18:47+00:00** (S) First Reading `reading-1`
- **2025-03-05T00:37:00+00:00** (S) Referred to Committee - (S) Education and Cultural Resources `referral-committee`
- **2025-03-11T01:07:13+00:00** (S) Hearing - (S) Education and Cultural Resources
- **2025-03-25T20:40:11+00:00** (S) Committee Executive Action--Bill Concurred as Amended - (S) Education and Cultural Resources
- **2025-03-26T21:01:00+00:00** (S) Committee Report--Bill Concurred as Amended - (S) Education and Cultural Resources
- **2025-03-31T18:27:39+00:00** (H) Revised Fiscal Note Requested
- **2025-04-01T19:00:00+00:00** (S) Scheduled for 2nd Reading `reading-2`
- **2025-04-01T20:00:00+00:00** (S) 2nd Reading Concurred `reading-2, reading-2`
- **2025-04-02T19:00:00+00:00** (S) Scheduled for 3rd Reading `reading-3`
- **2025-04-02T21:57:00+00:00** (S) 3rd Reading Concurred `passage, reading-3`
- **2025-04-02T23:07:19+00:00** (H) Revised Fiscal Note Received `receipt`
- **2025-04-02T23:08:33+00:00** (S) Returned to House with Amendments
- **2025-04-03T19:47:00+00:00** (H) Revised Fiscal Note Signed
- **2025-04-04T01:47:10+00:00** (H) Revised Fiscal Note Printed
- **2025-04-14T19:00:00+00:00** (H) Scheduled for 2nd Reading `reading-2`
- **2025-04-14T20:11:00+00:00** (H) 2nd Reading Senate Amendments Concurred `amendment-amendment, amendment-passage, reading-2, reading-2`
- **2025-04-15T19:00:00+00:00** (H) Scheduled for 3rd Reading `reading-3`
- **2025-04-15T20:34:00+00:00** (H) 3rd Reading Passed as Amended by Senate `passage, passage, reading-3, reading-3`
- **2025-04-15T22:07:28+00:00** (H) Sent to Enrolling
- **2025-04-16T02:46:40+00:00** (H) Returned from Enrolling
- **2025-04-18T20:50:00+00:00** (H) Signed by Speaker `passage`
- **2025-04-22T13:30:24+00:00** (S) Signed by President `passage`
- **2025-04-22T18:10:24+00:00** (H) Transmitted to Governor `executive-receipt`
- **2025-05-01T21:04:00+00:00** (H) Signed by Governor `executive-signature`
- **2025-05-06T03:38:05+00:00** Chapter Number Assigned `became-law`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/195c496d-0656-4c4a-88f7-272fe91aa3d0`. Confidence: reported (aggregated from official Montana legislature records).