republic-os/legislation/us/states/co/2023a/hb-23-1231.md

type, title, description, jurisdiction, legislature, session, identifier, citation, classification, subjects, status, primary_sponsors, version_count, action_count, vote_count, first_action, last_action, source, source_identifier, source_url, source_hash, vintage, source_snapshot, retrieved_at, confidence, tags

type	title	description	jurisdiction	legislature	session	identifier	citation	classification	subjects	status	primary_sponsors	version_count	action_count	vote_count	first_action	last_action	source	source_identifier	source_url	source_hash	vintage	source_snapshot	retrieved_at	confidence	tags
Bill	Math In Pre-kindergarten Through Twelfth Grade	The act requires the department of education (department), by January 2024, to offer free optional trainings in evidence-informed practices in mathematics, including a training specifically designed for elementary school educators and a training specifically designed for secondary school mathematics educators. Each training must include instruction on interventions for students who are below grade level or struggling in mathematics, children with disabilities, and students who are English language learners. Trainings must be available to relevant staff of school districts, related administrative units, district charter schools, institute charter schools, boards of cooperative services, and community-based organizations.	us/states/co	Colorado General Assembly	2023A	HB 23-1231	Colorado HB 23-1231 (2023A)	bill		enacted	Barbara McLachlan Janice Marchman Paul Lundeen Rose Pugliese	12	16	4	2023-03-07T07:00:00+00:00	2023-05-15T06:00:00+00:00	openstates	ocd-bill/cf4a203c-8c26-46b5-945c-9f0c8d9b2013	https://leg.colorado.gov/bills/hb23-1231	39f63b43c4c424f05db4943cd6e26780f33cdb252f993ceb3448792208bcb34b	2026-07-01	https://data.openstates.org/daily/2026-07-01/public.pgdump	2026-07-06	reported	legislation bill us-co

Colorado HB 23-1231 (2023A) — Math In Pre-kindergarten Through Twelfth Grade

The act requires the department of education (department), by January 2024, to offer free optional trainings in evidence-informed practices in mathematics, including a training specifically designed for elementary school educators and a training specifically designed for secondary school mathematics educators. Each training must include instruction on interventions for students who are below grade level or struggling in mathematics, children with disabilities, and students who are English language learners. Trainings must be available to relevant staff of school districts, related administrative units, district charter schools, institute charter schools, boards of cooperative services, and community-based organizations.

Version chain

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

1. Committee Amendment (committee substitute) — source
2. Engrossed (04/12/2023) (committee substitute) — source
3. Final Act (05/12/2023) (committee substitute) — source
4. Introduced (03/07/2023) (committee substitute) — source
5. PA1 (03/21/2023) (committee substitute) — source
6. PA2 (04/10/2023) (committee substitute) — source
7. PA3 (04/25/2023) (committee substitute) — source
8. PA4 (04/28/2023) (committee substitute) — source
9. Reengrossed (04/13/2023) (committee substitute) — source
10. Rerevised (05/01/2023) (committee substitute) — source
11. Revised (04/28/2023) (committee substitute) — source
12. Signed Act (05/15/2023) (committee substitute) — source

Votes

• BILL — 26–9 (pass) · upper
• BILL — 51–12 (pass) · lower
• CONCUR — 59–6 (pass) · lower
• REPASS — 54–11 (pass) · lower

Sponsors

• Barbara McLachlan — primary (person)
• Janice Marchman — primary (person)
• Paul Lundeen — primary (person)
• Rose Pugliese — primary (person)

Timeline

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

• 2023-05-15T06:00:00+00:00 Governor Signed executive-signature
• 2023-05-12T06:00:00+00:00 Sent to the Governor executive-receipt
• 2023-05-12T06:00:00+00:00 Signed by the President of the Senate
• 2023-05-11T06:00:00+00:00 Signed by the Speaker of the House
• 2023-05-02T06:00:00+00:00 House Considered Senate Amendments - Result was to Concur - Repass
• 2023-05-01T06:00:00+00:00 Senate Third Reading Passed - No Amendments passage, reading-3
• 2023-04-28T06:00:00+00:00 Senate Second Reading Special Order - Passed with Amendments - Committee
• 2023-04-28T06:00:00+00:00 Senate Committee on Appropriations Refer Amended to Senate Committee of the Whole committee-passage, referral-committee
• 2023-04-24T06:00:00+00:00 Senate Committee on Education Refer Amended to Appropriations referral-committee
• 2023-04-14T06:00:00+00:00 Introduced In Senate - Assigned to Education introduction
• 2023-04-13T06:00:00+00:00 House Third Reading Passed - No Amendments passage, reading-3
• 2023-04-12T06:00:00+00:00 House Second Reading Special Order - Passed with Amendments - Committee, Floor
• 2023-04-10T06:00:00+00:00 House Second Reading Special Order - Laid Over Daily - No Amendments
• 2023-04-10T06:00:00+00:00 House Committee on Appropriations Refer Amended to House Committee of the Whole committee-passage, referral-committee
• 2023-03-16T06:00:00+00:00 House Committee on Education Refer Amended to Appropriations referral-committee
• 2023-03-07T07:00:00+00:00 Introduced In House - Assigned to Education introduction

Source

OpenStates / OpenCivicData bulk snapshot 2026-07-01; origin ocd-bill/cf4a203c-8c26-46b5-945c-9f0c8d9b2013. Confidence: reported (aggregated from official Colorado legislature records).