Rapid City Catholic School System

The St. Thomas More High School girls' basketball team won five straight class A state championships from 2013 to 2018 under coach Brandon Kandolin. They became the third team to do so in the state of South Dakota, behind Armour High School and later Sioux Falls Roosevelt.^[5]

St. Thomas More High School won the South Dakota state 11B football championship for the first time in the 2025 season, defeating Elk Point Jefferson 48–38.^[6]

Andrew Hiipakka, a teacher for the St. Thomas More Middle School, was convicted on child pornography charges after being caught with "thousands of images of child pornography, many of which depicted children under the age of 12 years". He was sentenced to 25 years in prison and a life of supervised release. ^[7][8]

Marcin Garbacz was a Catholic priest and served as the Chaplain for the RCCSS office for some time between 2012^[9] up to at least 2015.^[10] During this time, he was assigned to the Catholic Diocese of Rapid City, but would also lead the weekly in-school Mass for the middle and high school and was considered to be an RCCSS staff member.^[10] Garbacz was convicted of stealing $258,696.19 from parish donations over the course of 2012–2018,^[11] and was charged with possession of child pornography.^[12] He was sentenced to 7 years and 9 months in prison.^[11]