Luther College is a private coeducational liberal arts college located in Decorah, Iowa, United States. Established as a Lutheran seminary in 1861 by Norwegian immigrants, the school today is an institution of the Evangelical Lutheran Church in America. Luther lies at the edge of Decorah, a small town situated in the hilly driftless region of the Midwestern United States. The Upper Iowa River flows through the lower portion of the nearly 200-acre (81 ha) central campus. The college owns an adjoining 800 acres (320 ha) devoted to environmental research, biological studies, and recreation. Luther is an exclusively undergraduate institution, enrolling 2,337 students and employing 177 full-time faculty in 2015-16. The college is accredited by the Higher Learning Commission of the North Central Association of Colleges and Schools. It is a member institution of the Associated Colleges of the Midwest and the Annapolis Group.