Duluth, Minnesota four Catholic schools with coverage up to grades 6 or 8, two Protestant schools, two Montessori schools, and six other charter and private schools. Due to its proximity to the Great Lakes, Duluth is the location for the Large Lakes Observatory. The Large Lakes Observatory operates the largest university-owned research vessel in the Great Lakes, the R/V Blue Heron. Built in 1985 for fishing on the Grand Banks, the Blue Heron was purchased by the University of Minnesota in 1997, sailed from Portland, Maine, up the St. Lawrence Seaway to Duluth, and converted into a limnological research vessel during the
University of Minnesota Duluth As enrollment increased on the University of Minnesota campus in the Twin Cities in the 1940s, higher education leaders began to debate how to address overcrowding on the state's land grant university campus. During this time City leaders and area state legislators formed a plan to advocate for establishing a branch campus of the University of Minnesota in the City of Duluth. After significant lobbying efforts a bill was drafted and submitted to the legislature that would instead take the Duluth State Teachers College, remove it from the Minnesota State Teachers College system and establish a branch of the University