It sounds like a political situation between parents and board of education. Has OSHA been in to check between roofing and ceiling for mold and or mildew? Wet roofs have a tendency to follow a path of least resistance and can damage a lot in its path....leaving water and mildew to form. Parents SHOULD be concerned, particularly with those whom have asthma and or allergies to molds. Additionally, aren't spores and bacteria spread when disturbed????