---
type: "Bill"
title: "Amend Colorado Opportunity Scholarship Initiative"
description: "The act amends provisions relating to the Colorado opportunity scholarship initiative (COSI), including:"
jurisdiction: "us/states/co"
legislature: "Colorado General Assembly"
session: "2020A"
identifier: "SB 20-006"
citation: "Colorado SB 20-006 (2020A)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: ["Cathy Kipp", "Mark Baisley", "Rachel Zenzinger", "Tammy Story"]
version_count: 9
action_count: 13
vote_count: 2
first_action: "2020-01-08T07:00:00+00:00"
last_action: "2020-03-20T06:00:00+00:00"
source: "openstates"
source_identifier: "ocd-bill/d8cc686d-8268-4663-891e-2cff687fc338"
source_url: "http://leg.colorado.gov/bills/sb20-006"
source_hash: "aada4a3143b78cd8ceeec65b20622c625030c814258baa27a555c9ce5dc9783b"
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-co"]
---

# Colorado SB 20-006 (2020A) — Amend Colorado Opportunity Scholarship Initiative

The act amends provisions relating to the Colorado opportunity scholarship initiative (COSI), including:

## Version chain

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

1. **Committee Amendment** (committee substitute) — [source](http://leg.colorado.gov/sites/default/files/2020a_sb006_h_ed_001.pdf)
2. **Engrossed (02/12/2020)** (committee substitute) — [source](http://leg.colorado.gov/sites/default/files/documents/2020A/bills/2020a_006_eng.pdf)
3. **Final Act (03/14/2020)** (committee substitute) — [source](http://leg.colorado.gov/sites/default/files/documents/2020A/bills/2020a_006_enr.pdf)
4. **Introduced (01/08/2020)** (committee substitute) — [source](http://leg.colorado.gov/sites/default/files/documents/2020A/bills/2020a_006_01.pdf)
5. **PA1 (01/24/2020)** (committee substitute) — [source](http://leg.colorado.gov/sites/default/files/documents/2020A/bills/2020a_006sedu_01.pdf)
6. **Reengrossed (02/13/2020)** (committee substitute) — [source](http://leg.colorado.gov/sites/default/files/documents/2020A/bills/2020a_006_ren.pdf)
7. **Rerevised (03/04/2020)** (committee substitute) — [source](http://leg.colorado.gov/sites/default/files/documents/2020A/bills/2020a_006_rer.pdf)
8. **Revised (03/03/2020)** (committee substitute) — [source](http://leg.colorado.gov/sites/default/files/documents/2020A/bills/2020a_006_rev.pdf)
9. **Signed Act (03/20/2020)** (committee substitute) — [source](http://leg.colorado.gov/sites/default/files/2020a_006_signed.pdf)

## Votes

- BILL — **51–13** (pass) · lower
- BILL — **32–0** (pass) · upper

## Sponsors

- Cathy Kipp — primary (person)
- Mark Baisley — primary (person)
- Rachel Zenzinger — primary (person)
- Tammy Story — primary (person)

## Timeline

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

- **2020-03-20T06:00:00+00:00** Governor Signed `executive-signature`
- **2020-03-14T06:00:00+00:00** Sent to the Governor `executive-receipt`
- **2020-03-14T06:00:00+00:00** Signed by the Speaker of the House
- **2020-03-14T06:00:00+00:00** Signed by the President of the Senate
- **2020-03-04T07:00:00+00:00** House Third Reading Passed - No Amendments `reading-3, passage`
- **2020-03-03T07:00:00+00:00** House Second Reading Passed - No Amendments `reading-2`
- **2020-02-27T07:00:00+00:00** House Committee on Education Refer Unamended to House Committee of the Whole `committee-passage, referral-committee`
- **2020-02-14T07:00:00+00:00** Introduced In House - Assigned to Education `introduction`
- **2020-02-13T07:00:00+00:00** Senate Third Reading Passed - No Amendments `reading-3, passage`
- **2020-02-12T07:00:00+00:00** Senate Second Reading Special Order - Passed with Amendments - Committee
- **2020-02-11T07:00:00+00:00** Senate Committee on Appropriations Refer Unamended - Consent Calendar to Senate Committee of the Whole `committee-passage`
- **2020-01-22T07:00:00+00:00** Senate Committee on Education Refer Amended to Appropriations `referral-committee`
- **2020-01-08T07:00:00+00:00** Introduced In Senate - Assigned to Education `introduction`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/d8cc686d-8268-4663-891e-2cff687fc338`. Confidence: reported (aggregated from official Colorado legislature records).