O'gorman High School Photo

Best South Dakota Catholic Private High Schools (2026)

For the 2026 school year, there are 7 catholic private high schools serving 2,414 students in South Dakota. You can also find more religiously affiliated schools in South Dakota.
The top-ranked catholic private high schools in South Dakota include Red Cloud Indian School, St. Thomas More High School, and St. Mary Catholic School.
The average acceptance rate is 100%, which is higher than the South Dakota private high school average acceptance rate of 72%.

Top-Ranked Catholic Private High Schools in South Dakota (2026)

School
Location
Quick Facts
O'gorman High School
O'gorman High School Photo
(Catholic)
3201 S Kiwanis Avenue
Sioux Falls, SD 57105
(605) 336-3644
Gr: 9-12 | 788 students Avg. class size: 24 students Sports: 18 | Extracurrculars: 37 Tuition & acceptance rate listed
Red Cloud Indian School
(Catholic)
(1)
100 Mission Dr
Pine Ridge, SD 57770
(605) 407-8289
Gr: K-12 | 435 students Avg. class size: 15 students
St. Mary Catholic School
(Catholic)
812 N State Ave
Dell Rapids, SD 57022
(605) 428-5591
Gr: PK-12 | 252 students Avg. class size: 16 students
St. Thomas More High School
(Catholic)
300 Fairmont Blvd
Rapid City, SD 57701
(605) 343-8484
Gr: 9-12 | 376 students
Aberdeen Catholic Schools
(Catholic)
419 1st Ave Ne
Aberdeen, SD 57401
(605) 226-2100
Gr: 7-12 | 145 students Tuition listed
Roncalli Junior & Senior High School
(Catholic)
1400 N Dakota St
Aberdeen, SD 57401
(605) 225-7440
Gr: 7-12 | 184 students Avg. class size: 12 students
St. Mary Grade School
(Catholic)
602 E 8th St
Dell Rapids, SD 57022
(605) 428-5591
Gr: PK-12 | 234 students

Recent Articles

How Global Economic Trends Shape Private School Affordability
How Global Economic Trends Shape Private School Affordability
Explore how global economic trends influence private school affordability and enrollment in 2026, with insights for families and educators.
Parent Engagement in Private Schools in 2026
Parent Engagement in Private Schools in 2026
Explore how parent engagement in private schools builds strong communities, support networks, and student success in 2026.
So Many Choices: Navigating Private School Selection in 2026
So Many Choices: Navigating Private School Selection in 2026
A 2026 parent guide to choosing the right private school, with updated admissions timelines, tuition trends, affordability strategies, and expert insights.