SCH CD-SCHOOL VENTILATION

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104TH GENERAL ASSEMBLY
State of Illinois
2025 and 2026
SB2193

Introduced 2/7/2025, by Sen. Adriane Johnson

SYNOPSIS AS INTRODUCED:

105 ILCS 5/2-3.206 new
105 ILCS 5/10-20.88 new
105 ILCS 5/34-18.88 new

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 within one year after an appropriation is made for this
purpose. Provides that a school district shall supply all active classroom
instructors, school staff, school administrators, and district leadership
with the educational document developed by the State Board. Provides that,
subject to funding, a school district shall ensure that all active
classrooms that are not mechanically ventilated have at least 2 properly
functioning windows, or one window in situations where only one is
present, that can open and can safely stay open. Provides that a school
district must be in compliance within 2 years after funding is made
available for this purpose. Provides that, subject to funding, a school
district shall ensure that all active classrooms are equipped with an air
quality monitor or sensor and an in-room air cleaner that is installed and
operating. Provides that each school shall record all incidents in which
the recommended parts-per-million level was breached in a classroom and
maintain those records for at least 5 years. Provides that an air quality
monitor or sensor and an in-room air cleaner may not be shared between
active classrooms. Sets forth further provisions concerning in-room air
cleaners and air quality monitors or sensors. Provides that, subject to
funding, a regional office of education, an intermediate service center,
or the State Board (with respect to the Chicago school district) shall
undertake a ventilation verification assessment of all mechanical
ventilation systems in a school district. Provides that the ventilation
verification assessment shall verify whether the existing mechanical
ventilation system is operating in accordance with design parameters and
meets the requirements of any applicable building codes.
LRB104 12111 BAB 22210 b

A BILL FOR

SB2193
LRB104 12111 BAB 22210 b
1

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 Sections
5
2-3.206, 10-20.88, and 34-18.88 as follows:

6

(105 ILCS 5/2-3.206 new)
7

Sec. 2-3.206.
School ventilation document.
8

(a) As used in this Section, "active classroom" means a
9
room currently being used for any duration of in-person
10
instruction.
11

(b) Subject to appropriation, the State Board of
12
Education, in consultation with the Department of Public
13
Health, shall develop an educational document explaining, at a
14
minimum, the values of good indoor air quality and shall
15
supply the document in a Portable Document Format (PDF) to
16
school districts within one year after an appropriation is
17
made for this purpose.
18

(c) Subject to appropriation, a school district shall
19
supply all active classroom instructors, school staff, school
20
administrators, and district leadership with the educational
21
document developed by the State Board under subsection (b) in
22
a PDF and a physical format.

SB2193
- 2 -
LRB104 12111 BAB 22210 b
1

(105 ILCS 5/10-20.88 new)
2

Sec. 10-20.88.
School ventilation.
3

(a) As used in this Section, "active classroom" means a
4
room currently being used for any duration of in-person
5
instruction.
6

(b) Subject to funding from the State Board of Education
7
from an appropriation made for this purpose, a school district
8
shall ensure that all active classrooms that are not
9
mechanically ventilated have at least 2 properly functioning
10
windows, or one window in situations where only one is
11
present, that can open and can safely stay open. A school
12
district must be in compliance with this subsection within 2
13
years after funding is made available to the school district
14
for this purpose.
15

(c) Subject to funding from the State Board of Education
16
from an appropriation made for this purpose, a school district
17
shall ensure that all active classrooms are equipped with an
18
air quality monitor or sensor that is installed and operating.
19
Each school shall record all incidents in which the
20
recommended parts-per-million level was breached in a
21
classroom and maintain those records for at least 5 years. An
22
air quality monitor or sensor supplied under this subsection
23
may not be shared between active classrooms.
24

(d) Subject to funding from the State Board of Education
25
from an appropriation made for this purpose, a school district
26
shall ensure that all active classrooms are equipped with an

SB2193
- 3 -
LRB104 12111 BAB 22210 b
1
in-room air cleaner that is installed and operating. An
2
in-room air cleaner supplied under this subsection may not be
3
shared between active classrooms.
4

(e) Subject to funding from the State Board of Education
5
from an appropriation made for this purpose, a school district
6
shall supply each school in the district with 5 additional
7
in-room air cleaners and 5 additional air quality monitors or
8
sensors to be used in the school health office, the school
9
library, the school cafeteria, and other similar school
10
spaces.
11

(f) Subject to funding from the State Board of Education
12
from an appropriation made for this purpose, the regional
13
office of education or intermediate service center for a
14
school district shall undertake a ventilation verification
15
assessment of all mechanical ventilation systems in a school
16
district. The ventilation verification assessment shall verify
17
whether the existing mechanical ventilation system is
18
operating in accordance with design parameters and meets the
19
requirements of any applicable building codes.

20

(105 ILCS 5/34-18.88 new)
21

Sec. 34-18.88.
School ventilation.
22

(a) As used in this Section, "active classroom" means a
23
room currently being used for any duration of in-person
24
instruction.
25

(b) Subject to funding from the State Board of Education

SB2193
- 4 -
LRB104 12111 BAB 22210 b
1
from an appropriation made for this purpose, the school
2
district shall ensure that all active classrooms that are not
3
mechanically ventilated have at least 2 properly functioning
4
windows, or one window in situations where only one is
5
present, that can open and can safely stay open. The school
6
district must be in compliance with this subsection within 2
7
years after funding is made available to the school district
8
for this purpose.
9

(c) Subject to funding from the State Board of Education
10
from an appropriation made for this purpose, the school
11
district shall ensure that all active classrooms are equipped
12
with an air quality monitor or sensor that is installed and
13
operating. Each school shall record all incidents in which the
14
recommended parts-per-million level was breached in a
15
classroom and maintain those records for at least 5 years. An
16
air quality monitor or sensor supplied under this subsection
17
may not be shared between active classrooms.
18

(d) Subject to funding from the State Board of Education
19
from an appropriation made for this purpose, the school
20
district shall ensure that all active classrooms are equipped
21
with an in-room air cleaner that is installed and operating.
22
An in-room air cleaner supplied under this subsection may not
23
be shared between active classrooms.
24

(e) Subject to funding from the State Board of Education
25
from an appropriation made for this purpose, the school
26
district shall supply each school in the district with 5

SB2193
- 5 -
LRB104 12111 BAB 22210 b
1
additional in-room air cleaners and 5 additional air quality
2
monitors or sensors to be used in the school health office, the
3
school library, the school cafeteria, and other similar school
4
spaces.
5

(f) Subject to funding from the State Board of Education
6
from an appropriation made for this purpose, the State Board
7
of Education shall undertake a ventilation verification
8
assessment of all mechanical ventilation systems in the school
9
district. The ventilation verification assessment shall verify
10
whether the existing mechanical ventilation system is
11
operating in accordance with design parameters and meets the
12
requirements of any applicable building codes.

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