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HB 4739
Illinois House•Engrossed
Summary
HB 4739, “SCH CD-SCHOOL VENTILATION”, was introduced in the House on Feb 2, 2026 by Rep. Camille Lilly (D) with 24 co-sponsors. It was referred to Assignments, and last saw action on May 25, 2026: Added as Alternate Co-Sponsor Sen. Mary Edly-Allen.
Record
Text
HB 4739 has 24 co-sponsors and 2 roll calls.
hb4739/engrossed.txtSelect Language×The Illinois General Assembly offers the Google Translate™ service for visitor convenience. In no way should it be considered accurate as to the translation of any content herein.Visitors of the Illinois General Assembly website are encouraged to use other translation services available on the internet.The English language version is always the official and authoritative version of this website.NOTE: To return to the original English language version, select the "Show Original" button on the Google Translate™ menu bar at the top of the window.Choose LanguageEnglishAfrikaansAlbanianArabicArmenianAzerbaijaniBasqueBengaliBosnianCatalanCroatianCzechDanishDutchEsperantoEstonianFilipinoFinnishFrenchGalicianGeorgianGermanGreekGujaratiHaitian CreoleHausaHawaiianHebrewHindiHungarianIcelandicIndonesianInterlinguaInterlingueInuktitutIrishItalianJapaneseJavaneseKannadaKhmerKoreanLatinLatvianLithuanianLuxembourgishMacedonianMalagasyMalayalamMalteseMaoriMarathiMyanmarNepaliNorwegianOdiaPashtoPunjabiRomanianRussianSamoanSangoSanskritSardinianSindhiSinhalaSlovakSlovenianSomaliSouthern SothoSpanishSundaneseSwahiliSwedishTamilTeluguThaiTigrinyaTongaTurkishUkrainianUrduVietnameseWelshXhosaYiddishYorubaZuluPowered by TranslateCloseIllinois General AssemblyTop Navigation BarTranslateLearnSelect General AssemblySearch the 104th General AssemblyEnter search terms for legislation, members, committees, or schedules.ILGA.GOVMobile Top BarSearch the 104th General AssemblyEnter keywords to search the Illinois General Assembly website.Full Text of HB4739HomeLegislationFull TextHB4739 - 104th General AssemblyBill StatusFull TextVotesWitness SlipsSelect MenuBill StatusFull TextVotesWitness SlipsPrinter Friendly VersionIntroducedEngrossedPrinter Friendly VersionIntroducedEngrossedOpen PDFHB4739 Engrossed LRB104 18454 LNS 31896 b1 AN ACT concerning education.2 Be it enacted by the People of the State of Illinois,3 represented in the General Assembly:4 Section 5. The School Code is amended by adding Sections5 2-3.214, 10-20.88, and 34-18.88 as follows:6 (105 ILCS 5/2-3.214 new)7 Sec. 2-3.214. School ventilation document. Subject to8 appropriation, the State Board of Education, in consultation9 with the Department of Public Health, shall develop an10 educational document explaining, at a minimum, the values of11 good indoor air quality and shall supply the document in a12 Portable Document Format (PDF) to school districts after an13 appropriation is made for this purpose.14 (105 ILCS 5/10-20.88 new)15 Sec. 10-20.88. School ventilation.16 (a) As used in this Section, "active classroom" means a17 room currently being used for any duration of in-person18 instruction.19 (b) Subject to funding from the State Board of Education20 from an appropriation made for this purpose, a school district21 shall ensure that all active classrooms are equipped with an22 air quality monitor.HB4739 Engrossed - 2 - LRB104 18454 LNS 31896 b1 (105 ILCS 5/34-18.88 new)2 Sec. 34-18.88. School ventilation.3 (a) As used in this Section, "active classroom" means a4 room currently being used for any duration of in-person5 instruction.6 (b) Subject to funding from the State Board of Education7 from an appropriation made for this purpose, the school8 district shall ensure that all active classrooms are equipped9 with an air quality monitor.
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.
Sponsors
Rep. Camille Lilly (D) sponsors HB 4739, and 24 members have co-sponsored it.

Rep. · D–78 · Sponsor

Rep. · D–83 · Co-sponsor

Rep. · D–62 · Co-sponsor

Rep. · D–84 · Co-sponsor

Rep. · D–14 · Co-sponsor

Rep. · D–21 · Co-sponsor

Rep. · D–24 · Co-sponsor

Rep. · D–56 · Co-sponsor

Rep. · D–31 · Co-sponsor

Rep. · D–39 · Co-sponsor
Committees
HB 4739 went before 3 committees: Rules, Education Policy and Assignments.
History
HB 4739 has taken 46 actions since Feb 2, 2026, the latest on May 25, 2026.
| Chamber | Action | |||
|---|---|---|---|---|
May 25, 2026 | Senate | Added as Alternate Co-Sponsor Sen. Mary Edly-Allen | ||
May 7, 2026 | Senate | Added as Alternate Co-Sponsor Sen. Laura M. Murphy | ||
May 6, 2026 | Senate | Added as Alternate Co-Sponsor Sen. Suzy Glowiak Hilton | ||
Apr 24, 2026 | Senate | Added as Alternate Co-Sponsor Sen. Christopher Belt | ||
Apr 24, 2026 | Senate | Added as Alternate Co-Sponsor Sen. Rachel Ventura |
Votes
HB 4739 went to 2 roll calls in the House, the latest on Apr 17, 2026 at 65–32.
| Chamber | Question | Yea | Nay | |||
|---|---|---|---|---|---|---|
Apr 17, 2026 | House | House Third Reading | 65 | 32 | ||
Mar 25, 2026 | House | House Education Policy Committee | 9 | 3 |
Source: ilga.gov · legiscan.com