With campuses in Calmar and Ossian, it serves grades Pre-K through 12th.

[3] The district is entirely in Winneshiek County, and includes the municipalities of Calmar, Ossian, Castalia, and Spillville.

[5] The school mascot is the Warriors, and the colors are dark red and white.

South Winneshiek High School serves grades 9–12.

[7] The Warriors compete in the Upper Iowa Conference in the following sports:[8]