South St. Paul Secondary (also known as South St. Paul High School) is a public high school in South St. Paul, Minnesota, United States. It is part of the South St. Paul Public Schools district, it is a participant of the International Baccalaureate Diploma Program in grades 11 and 12 after moving away from the IB World Schools in 2023.
Construction was started on the original building in 1905; the school opened on January 23, 1907, as Central High. It was renamed to its current name in 1911, when a new building was constructed. An expansion occurred in 1923 and an auditorium and athletic fields were finished in 1930. In the early twentieth century, the school housed night classes for immigrants who wished to gain American citizenship.
South St. Paul athletic teams are nicknamed "Packers" and compete in the Metro East Conference.
SSP has one competitive show choir, the 7th to 12th grade mixed-gender "Southside Sensation". A former show choir was the all-female "Diamond Divas" which ended due to the COVID-19 pandemic.