Private School Review - Established 2003

Watertown Private Schools

For the 2026-27 school year, there are 5 private schools serving 585 students in Watertown, SD, 13% of all K-12 students in Watertown, SD are educated in private schools versus public schools (compared to the SD state average of 9%).
100% of private schools in Watertown, SD are religiously affiliated (most commonly Wisconsin Evangelical Lutheran Synod and Catholic).

Quick Facts (26-27)

Quick Facts (26-27)

Top Ranked Watertown Private Schools (2026-27)

Map of Imaculate Conception
Imaculate Conception
Gr: PK-6 | 158 students
Catholic
109 3rd St Se
Watertown, SD 57201
(605) 886-3883
View Profile
Map of Great Plains Lutheran High School
Great Plains Lutheran High School
Gr: 9-12 | 133 students
Wisconsin Evangelical Lutheran Synod
1200 Luther Ln NE
Watertown, SD 57201
(605) 886-0672
View Profile
Map of St. Martins Lutheran School
St. Martins Lutheran School
Gr: PK-8 | 227 students
Avg. class size: 19 students
Sports: 5 | Extracurriculars: 1
Wisconsin Evangelical Lutheran Synod
1200 2nd St Ne
Watertown, SD 57201
(605) 886-4976
View Profile
Map of Trinity Lutheran School
Trinity Lutheran School
Gr: 2-8 | 7 students
Other Lutheran
1800 E Kemp Ste 2
Watertown, SD 57201
(605) 882-3224
View Profile
Map of Watertown Christian School
Watertown Christian School
Gr: K-8 | 60 students
Christian
15 12th Avenue Ne
Watertown, SD 57201
(605) 882-0949
View Profile

Watertown, SD Private School Trends

5
Private Schools
585
Students
$2,415
Avg. Tuition
19
Avg. Class Size
5%
Students of Color
11:1
Student-Teacher Ratio
Download town snapshot: CSV | XML | JSON Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission.
Enrollment & Diversity
Category
This Town (Watertown)
This State (SD)
# Schools
5 Schools
91 Schools
# Students
585 Students
14,906 Students
% Students of Color
5%
22%
0.38
0.59
Show more data/charts: racial breakdown
# American Indian Students
0 Students
1,727 Students
% American Indian Students
0%
11%
# Asian Students
4 Students
161 Students
% Asian Students
1%
1%
# Hispanic Students
11 Students
468 Students
% Hispanic Students
2%
3%
# Black Students
11 Students
244 Students
% Black Students
2%
2%
# White Students
448 Students
8,987 Students
% White Students
76%
59%
# Hawaiian Students
0 Students
99 Students
% Hawaiian Students
0%
1%
# Others Students
111 Students
3,498 Students
% of Others Students
19%
23%
All Ethnic Groups
Academics
# Teachers
51 Teachers
1,226 Teachers
Average Student-Teacher Ratio
11:1
12:1
% Average Faculty w/Advanced Degree
30%
35%
Average Class Size
19 students
15 students
Tuition & Aid
Average Yearly Tuition Cost
$2,415
$5,377
Admissions & Athletics
Average Number of Extracurriculars
1 extracurriculars
8 extracurriculars
Average Number of Sports
5 sports
7 sports

Frequently Asked Questions

What are the top ranked private schools in Watertown, SD?
The top ranked private schools in Watertown, SD is Imaculate Conception.
How many private schools are located in Watertown?
5 private schools are located in Watertown.
How diverse are private schools in Watertown?
Watertown private schools are approximately 5% minority students, which is lower than the South Dakota private school average of 22%.
What percentage of students in Watertown go to private school?
13% of all K-12 students in Watertown are educated in private schools (compared to the SD state average of 9%).
What percentage of private schools are religiously affiliated in Watertown?
100% of private schools in Watertown are religiously affiliated (most commonly Wisconsin Evangelical Lutheran Synod and Catholic).
Which private schools in Watertown are often viewed compared to one another?

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