Complex sentence: Southern Arkansas University (SAU) (formerly known as Southern State College, Magnolia A&M, and Third District Agricultural School) is a public four-year institution located in Magnolia, the seat of Columbia County in Arkansas, not far from the Louisiana state line.
Split into simpler sentences: Southern Arkansas University, formerly the Southern State College, Magnolia A&M, and Third District Agricultural School serves as a public four-year institution. It is located in Magnolia, the seat of Columbia County in Arkansas, not far from the Louisiana state line.