Public school buildings; indoor air quality standards. Establishes several enumerated requirements for school boards to ensure indoor air quality in each public school building in the local school division, including (i) identifying a designated individual to oversee the establishment of and adherence to a preventive maintenance schedule for the heating, ventilation, and air conditioning (HVAC) system in each such building and the implementation of the use of general or local exhaust ventilation in areas of each such building where housekeeping and maintenance activities involve the use of equipment or products that could reasonably be expected to result in hazardous chemical or particulate exposures, among other things; (ii) controlling microbial and fungal contamination in each such building by promptly repairing water intrusion that can promote microbial or fungal growth; (iii) ensuring indoor air quality during renovation and remodeling or new construction in various ways; and (iv) keeping school building system maintenance records. The bill also requires each school board to accept and respond to any school board employee complaints relating to indoor air quality in public school buildings, maintain copies of any such complaints and responses to such complaints, and include the copies of any such complaints and responses to such complaints made during the preceding year in the annual plan each school board is required to maintain pursuant to the provisions of the bill.