HB 4739 Illinois House · 104th Regular Session

SCH CD-SCHOOL VENTILATION

Summary

Amends the School Code. Provides that, subject to appropriation, the State Board of Education, in consultation with the Department of Public Health, shall develop an educational document explaining, at a minimum, the values of good indoor air quality and shall supply the document to school districts. Provides that, subject to funding from the State Board, a school district shall ensure that all active classrooms are equipped with an air quality monitor.

Issues: ✓ Education ✓ Healthcare

Bill status passed 3 of 5 stages cleared

Introduction

Apr 2026

Committee Review

Apr 2026

House Passage

Apr 2026

Senate Passage

Governor

Introduced Apr 21, 2026 Last action May 25, 2026

Maddy AI version diff · 1 comparison

What changed between versions

Introduced → Engrossed · 1 edit · Apr 17, 2026

MINOR

The bill text was updated to reflect its status as an 'Engrossed' version, indicating it has passed the House and Senate and is ready for final action. The substantive policy content regarding indoor air quality monitoring and educational materials remains unchanged.

TECHNICAL

The header was updated from 'Introduced' to 'Engrossed', and the bill number was repeated in the header to reflect its current legislative status.

Floor votes · House Apr 17, 2026

How they voted

64–31

Passed · 21 other

Total votes 116

Apr 17, 2026

D Democratic76

63 Yea 1 Nay 12

82% Yea

R Republican40

1 Yea 30 Nay 9

75% Nay

Vote distribution

All Yea All Nay Mixed No data

Full legislative history

Actions timeline

Total actions

Key actions

Committee

Apr 21, 2026

Committee

Referred to Assignments

upper

Apr 21, 2026

Introduced

Arrive in Senate

upper

Apr 17, 2026

Lower · Passed

Third Reading - Short Debate - Passed 065-032-000

lower

Mar 25, 2026

Lower · Passed

Do Pass / Short Debate Education Policy Committee; 009-003-000

lower

Mar 18, 2026

Committee

Assigned to Education Policy Committee

lower

Feb 6, 2026

Committee

Referred to Rules Committee

lower

1 primary · 21 co-sponsors