The news is full of headlines such as "School to Close Again due to Mold,"¹ "Mold Forces NJ School to Close for Rest of Classes,"² "Washoe Widens Probe on School Mold,"³ or "Moldy Madison School Will Remain Closed Thursday."⁴ Often, the mechanical systems or the envelope is blamed for moldy conditions. However, the school's operation and maintenance plays a significant role in achieving and maintaining the indoor environment. Effective operation and maintenance starts at project inception and not at facility completion.