Imaculate Conception serves 158 students in grades Prekindergarten-6, is a member of the National Association of Private Special Education Centers and the Other school association(s).
The student:teacher of Imaculate Conception is 9:1 and the school's religious affiliation is Catholic.
Quick Facts (2025-26)
- Top Ranked SD School
- Grades: Prekindergarten-6
- Enrollment: 158 students
- Yearly Tuition: $2,700
- Application Deadline: None / Rolling
- Source: National Center for Education Statistics (NCES)
Top Rankings
Imaculate Conception ranks among the top 20% of private schools in South Dakota for:
School Overview
School Membership(s)School Assoc.
Religious Affiliation
Grades Offered
Grades Prekindergarten-6
Year Founded
1907
School Calendar
Awards
Blue Ribbon School - Selected in 2017
Student Body
Total Students
158 students
Student Body Type
Co-ed
% Students of Color
7%
State avg.: 21%
Students by Grade

Academics and Faculty
Total Classroom Teachers
18 teachers
Student-Teacher Ratio
9:1
National avg.: 13:1
Tuition and Acceptance Rate
Admission Deadline
None / Rolling
Yearly Tuition Cost
Application URL
School Notes
- School Motto: Trust in the Lord, Be Virtuous, Work Hard.
Source: National Center for Education Statistics (NCES)
Frequently Asked Questions
How much does Imaculate Conception cost?
Imaculate Conception's tuition is approximately $2,700 for private students.
What schools are Imaculate Conception often compared to?
Imaculate Conception is often viewed alongside schools like Watertown Christian School by visitors of our site.
What is Imaculate Conception's ranking?
Imaculate Conception ranks among the top 20% of private schools in South Dakota for: Least expensive tuition and Oldest founding date.
When is the application deadline for Imaculate Conception?
The application deadline for Imaculate Conception is rolling (applications are reviewed as they are received year-round).
School Reviews
Endorse Imaculate Conception. Endorsements should be a few sentences in length. Please include any comments on:
- Quality of academic programs, teachers, and facilities
- Availability of music, art, sports and other extracurricular activities
- Academic or athletic awards
Recent Articles

Transferring from Public to Private School Mid-Year: What to Expect
Considering a mid-year transfer from public to private school? Learn what to expect with admissions, academic placement, social adjustment, and financial aid to ensure a smooth transition.

A Guide to Day vs. Boarding School: Which Is Right for Your Family
Discover the key differences between day and boarding schools to determine the best fit for your child. Explore benefits, costs, lifestyle factors, and questions to help guide your family’s decision.

The A to Z of Private Schools 2025
Explore the A to Z of private schools in 2025—from admissions to tuition—offering parents and educators clear insights into today’s options.