Rapid City Catholic School System is comprised of three schools: St. Elizabeth Ann Seton Three-year-old through Fifth Grade Elementary, St. Thomas More Sixth through Eighth Grade Middle School and St. Thomas More Ninth through Twelveth Grade High School. The entire system is accredited through NCEA.
We are a diverse and accessible community dedicated to assisting families in the formation of their children and serving as an education center for the community and diocese.
Anchored in the Catholic-school tradition and fired by the spirit of St. Elizabeth Ann Seton and St. Thomas More, we celebrate God's presence in the young, encouraging and empowering them to nourish and use their gifts to serve God through others.
We seek the development of individuals to their full potential in Christ through our spiritual formation, excellence-based academic curriculum and co-curricular programs and activities.
Quick Stats (2025)
- Top Ranked SD School
- Grades: 9-12
- Enrollment: 376 students
- Application Deadline: None / Rolling
- Source: Verified school update
Top Rankings
St. Thomas More High School ranks among the top 20% of private schools in South Dakota for:
Category
Attribute
Student Body
School Overview
School Membership(s)School Assoc.
Religious Affiliation
Grades Offered
Grades 9-12
ADD/ADHD Support
Yes
Year Founded
1960
Colors
White, Royal blue
School Calendar
First Day of School
Fri. Aug 15, 2025
Student Body
Total Students
376 students
Student Body Type
Co-ed
% Students of Color
13%
State avg.: 22%
Students by Grade
Academics and Faculty
Total Classroom Teachers
16 teachers
Student : Teacher Ratio
24:1
National avg.: 13:1
Number of AP Courses
7 courses
List of Courses Offered
Matriculation DataMatric. Data
Tuition and Acceptance Rate
Admission Deadline
None / Rolling
School Notes
- School Motto: Developing Personal and Academic Excellence in the Catholic Tradition
- Rapid City Catholic School System is comprised of three schools: St. Elizabeth Ann Seton Three-year-old throughFifthGrade Elementary, St. Thomas More Sixth through EighthGrade Middle School and St. Thomas More Ninth through Twelveth Grade High School. The entire system is accredited through NCEA. We are a diverse and accessible community dedicated to assisting families in the formation of their children and serving as an education center for the community and diocese.Anchored in the Catholic-school tradition and fired by the spirit of St. Elizabeth Ann Seton and St. Thomas More, we celebrate God's presence in the young, encouraging and empowering them to nourish and use their gifts to serve God through others.We seek the development of individuals to their full potential in Christ through our spiritual formation, excellence-based academic curriculum and co-curricular programs and activities.
- Sample of notable school alumni/alumnae:
- Mara Wilkening, performed with the 8-10 SSAA National Honor Choir at Meyerson Symphony Hall in Dallas, Texas, March 22 -
Source: Verified school update
Frequently Asked Questions
What schools are St. Thomas More High School often compared to?
St. Thomas More High School is often viewed alongside schools like Rapid City Christian School by visitors of our site.
Who are famous alumni from St. Thomas More High School?
St. Thomas More High School famous alumni include: Mara Wilkening, performed with the 8-10 SSAA National Honor Choir at Meyerson Symphony Hall in Dallas, Texas, March 22.
What is St. Thomas More High School's ranking?
St. Thomas More High School ranks among the top 20% of private schools in South Dakota for: Largest student body.
When is the application deadline for St. Thomas More High School?
The application deadline for St. Thomas More High School is rolling (applications are reviewed as they are received year-round).
Related Schools
Show me:
Popular comparisons: St. Thomas More High School vs. Rapid City Christian School
People that viewed St. Thomas More High School also viewed these schools: Rapid City Christian School, Zion Lutheran School and Holy Cross Academy.
The nearest high school to St. Thomas More High School is Rapid City Christian School (8.3 miles away)
The nearest elementary school and preschool is Calvary Christian School (0.0 miles away)
Show me:
Show me:
School
Location
Miles
Grades
Students
Grades: 6-12 | 333 students 8.3 miles 23757 Arena Drive
Rapid City, SD 57702
(605) 341-3377
Rapid City, SD 57702
(605) 341-3377
8.3
6-12
333
Zion Lutheran School
(Lutheran Church Missouri Synod)
Grades: PK-5 | 166 students 3 miles 4550 S Highway 16
Rapid City, SD 57701
(605) 342-5749
Rapid City, SD 57701
(605) 342-5749
3
PK-5
166
Holy Cross Academy
(Catholic)
Grades: 7-12 | 58 students 1376.5 miles 4020 Barrington Rd
Oneida, NY 13421
(315) 363-1669
Oneida, NY 13421
(315) 363-1669
1376.5
7-12
58
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