Synopsis As Introduced Amends the School Code. Provides that the State Board of Education shall require all school districts to supply all active classroom instructors, all school staff and administration, and district leadership with an educational document explaining the values of good indoor air quality. Provides that the State Board shall require all school districts to 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 the State Board shall require all school districts to ensure that all active classrooms are equipped with an air quality monitor that meets specified requirements. Provides that the State Board shall require all school districts to ensure that all active classrooms are equipped with a portable air cleaner that meets specified requirements. Provides that the State Board shall require all school districts to supply each school with 5 additional portable air cleaners and 5 additional air quality monitors to be used in school health offices, libraries, cafeterias, and other similar spaces. Provides that the State Board shall require all school districts to undertake a ventilation verification assessment of all mechanical ventilation systems in the school district performed by a certified assessor or a mechanical engineer. Makes certain provisions subject to appropriation, and makes other changes.