fortunately, schools can take actions to reduce air quality problems - something as simple as constantly running the HVAC system and proper maintenance can work wonders in a school's environment. "removing dust and soil often from all surfaces is a key element in maintaining good indoor air quality, along with proper ventilation and humidity control," said dr. mary lasley, a pediatric allergist. "parents should work with administrators to ensure the school has an environment that enhances learning while keeping our children comfortable."