republic-os/legislation/us/states/co/2020a/hb-20-1135.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	Replace High School Social Studies Assessment	The act removes the requirement that a state assessment in social studies be administered to high school students.	us/states/co	Colorado General Assembly	2020A	HB 20-1135	Colorado HB 20-1135 (2020A)	bill		enacted	Barbara McLachlan Nancy Todd Paul Lundeen Perry Buck	10	17	4	2020-01-16T07:00:00+00:00	2020-07-13T06:00:00+00:00	openstates	ocd-bill/91a1a2aa-32e7-4d12-a251-5f9bf00e44b7	http://leg.colorado.gov/bills/hb20-1135	4cb657c19f49c81e901f9577f0f17e6067d4c6ab2e2d1cf6be215f62aefb68cb	2026-07-01	https://data.openstates.org/daily/2026-07-01/public.pgdump	2026-07-06	reported	legislation bill us-co

Colorado HB 20-1135 (2020A) — Replace High School Social Studies Assessment

The act removes the requirement that a state assessment in social studies be administered to high school students.

Version chain

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

1. Committee Amendment (committee substitute) — source
2. Engrossed (02/20/2020) (committee substitute) — source
3. Final Act (07/02/2020) (committee substitute) — source
4. Introduced (01/16/2020) (committee substitute) — source
5. PA1 (02/18/2020) (committee substitute) — source
6. PA2 (03/13/2020) (committee substitute) — source
7. Reengrossed (02/21/2020) (committee substitute) — source
8. Rerevised (06/01/2020) (committee substitute) — source
9. Revised (05/28/2020) (committee substitute) — source
10. Signed Act (07/13/2020) (committee substitute) — source

Votes

• CONCUR — 63–0 (pass) · lower
• BILL — 35–0 (pass) · upper
• REPASS — 63–0 (pass) · lower
• BILL — 60–0 (pass) · lower

Sponsors

• Barbara McLachlan — primary (person)
• Nancy Todd — primary (person)
• Paul Lundeen — primary (person)
• Perry Buck — primary (person)

Timeline

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

• 2020-07-13T06:00:00+00:00 Governor Signed executive-signature
• 2020-07-02T06:00:00+00:00 Sent to the Governor executive-receipt
• 2020-07-02T06:00:00+00:00 Signed by the President of the Senate
• 2020-07-02T06:00:00+00:00 Signed by the Speaker of the House
• 2020-06-10T06:00:00+00:00 House Considered Senate Amendments - Result was to Concur - Repass
• 2020-06-02T06:00:00+00:00 House Considered Senate Amendments - Result was to Laid Over Daily
• 2020-06-01T06:00:00+00:00 Senate Third Reading Passed - No Amendments reading-3, passage
• 2020-05-28T06:00:00+00:00 Senate Second Reading Passed with Amendments - Committee reading-2
• 2020-05-26T06:00:00+00:00 Senate Second Reading Laid Over Daily - No Amendments
• 2020-03-13T06:00:00+00:00 Senate Committee on Appropriations Refer Amended - Consent Calendar to Senate Committee of the Whole committee-passage
• 2020-03-05T07:00:00+00:00 Senate Committee on Education Refer Unamended to Appropriations referral-committee
• 2020-02-24T07:00:00+00:00 Introduced In Senate - Assigned to Education introduction
• 2020-02-21T07:00:00+00:00 House Third Reading Passed - No Amendments reading-3, passage
• 2020-02-20T07:00:00+00:00 House Second Reading Passed with Amendments - Committee reading-2
• 2020-02-19T07:00:00+00:00 House Second Reading Laid Over Daily - No Amendments
• 2020-02-13T07:00:00+00:00 House Committee on Education Refer Amended to House Committee of the Whole committee-passage, referral-committee
• 2020-01-16T07:00:00+00:00 Introduced In House - Assigned to Education introduction

Source

OpenStates / OpenCivicData bulk snapshot 2026-07-01; origin ocd-bill/91a1a2aa-32e7-4d12-a251-5f9bf00e44b7. Confidence: reported (aggregated from official Colorado legislature records).