The new North Star Academy, a Duluth (MN) Edison Charter School, uses the latest in construction products and techniques to create a stimulating educational environment based on friendliness, openness and comfort. The 90,000 sq. ft. facility, which serves up to 900 K-8 students, is clad with two styles and five colors of insulated metal wall panels from Lewisville, TX-based Metl-Span.