For the 2025 school year, there are 5 private schools serving 476 students in Watertown, SD (there are 10 public schools, serving 3,788 public students). 11% of all K-12 students in Watertown, SD are educated in private schools (compared to the SD state average of 9%).
The top ranked private school in Watertown, SD is Imaculate Conception.
100% of private schools in Watertown, SD are religiously affiliated (most commonly Wisconsin Evangelical Lutheran Synod and Catholic).
Top Ranked Watertown Private Schools (2025)
School
Location
Grades
Students
Imaculate Conception
(Catholic)
109 3rd St Se
Watertown, SD 57201
(605) 886-3883
Watertown, SD 57201
(605) 886-3883
Grades: PK-6
| 158 students
Great Plains Lutheran High School
(Wisconsin Evangelical Lutheran Synod)
1200 Luther Ln NE
Watertown, SD 57201
(605) 886-0672
Watertown, SD 57201
(605) 886-0672
Grades: 9-12
| 133 students
St. Martins Lutheran School
(Wisconsin Evangelical Lutheran Synod)
1200 2nd St Ne
Watertown, SD 57201
(605) 886-4976
Watertown, SD 57201
(605) 886-4976
Grades: K-8
| 118 students
Trinity Lutheran School
(Other Lutheran)
1800 E Kemp Ste 2
Watertown, SD 57201
(605) 882-3224
Watertown, SD 57201
(605) 882-3224
Grades: 2-8
| 7 students
Watertown Christian School
(Christian)
15 12th Avenue Ne
Watertown, SD 57201
(605) 882-0949
Watertown, SD 57201
(605) 882-0949
Grades: K-8
| 60 students
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 6% minority students, which is lower than the South Dakota private school average of 22%.
What percentage of students in Watertown go to private school?
11% 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?
Popular comparisons of private schools in Watertown include: St. Martins Lutheran School vs. Watertown Christian School, Imaculate Conception vs. Watertown Christian School, Watertown Christian School vs. St. Martins Lutheran School
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