Summary: A possible structure fire was reported at North Valley's High School in Washoe County, Nevada. Multiple fire engines and battalions responded to the scene. Upon arrival, crews confirmed a working fire in a small, detached modular structure on the school grounds. Fire attack and search operations were conducted, with both primary and secondary searches completed and clear. Utilities were secured, and checks for fire extension were performed. The incident was managed under 'Panther Command,' and no extension or further hazards were found.