St. Mary's High School is a private, Roman Catholic high school in Storm Lake, Iowa. It is located in the Roman Catholic Diocese of Sioux City. Background Located three blocks from the waterfront of Storm Lake, the school offers a quality, faith-based education. The school opened in 1912 as an elementary school, and it was expanded to house Pre-K through 12th Grade in August 1967. Athletics The Panthers compete in the Twin Lakes Conference in the following sports: Cross Country Volleyball Basketball Boys' 2011 Class 1A State Champions Boys' 2012 Class 1A State Consolation Champions Boys' 2013 Class 1A State Runners-Up Track and Field Golf Baseball 1993 Class 1A State Champions 1997 Class 1A State Semi Finalists 2002 Class 1A State Semi Finalists Softball The Panthers also combine their sports and compete with Storm Lake Public High School for Wrestling, Cross-Country, and Football at the high school level. Storm Lake High School competes in the 3A division of Iowa Athletics. See also List of high schools in Iowa References External links School Website Catholic secondary schools in Iowa Private high schools in Iowa Schools in Buena Vista County, Iowa Educational institutions established in 1900 1900 establishments in Iowa