Is Oak Ridge Elementary sick?

Is Oak Ridge Elementary sick?
http://www.news-record.com/content/2009/08/01/article/is_oak_ridge_elementary_sick

"With its clean lines, sturdy brick construction and shiny-new appearance, the four-year-old elementary school doesn't look like the setting for a mystery of epic proportions.  But Oak Ridge Elementary School poses a so-far unsolvable riddle for experts from across the Triad and, more recently, well beyond. What caused headaches, coughing fits, red eyes, blurry vision, chronic fatigue, weird rashes and other allergy-like symptoms in a significant number of the school's students and teachers?  Could it be a "toxic" mold that one activist says is present in potentially lethal quantities? Or is it something much more mundane, such as a faulty system for air distribution that might be fixed with some basic modifications?"