The former Libby High School is a building on the National Register of Historic Places located in Libby, Montana. It was added to the Register on August 20, 2008. According to the filing documents: The historic Libby High School stands at the southeast corner of Mineral Avenue and East Lincoln Boulevard, at the entrance to downtown Libby. The school is a stately presence in the heart of the community, the largest and most highstyle building in town. Set perpendicular to the town's main street, the school and its expansive lawn and landscaped boulevard entry is a visual marker that signals the eastern entrance to the downtown heart of the community.