For the 2025-26 school year, there are 12 private schools serving 1,670 students in Watertown, WI (there are 10 public schools, serving 3,231 public students). 34% of all K-12 students in Watertown, WI are educated in private schools (compared to the WI state average of 15%).
The top ranked private schools in Watertown, WI include Luther Prep, St. Bernard School, and St. Marks Evangelical Lutheran School.
The average acceptance rate is 90%, which is higher than the Wisconsin private school average acceptance rate of 88%.
100% of private schools in Watertown, WI are religiously affiliated (most commonly Lutheran Church Missouri Synod and Wisconsin Evangelical Lutheran Synod).
Top Ranked Watertown Private Schools (2025-26)
School
Location
Quick Facts
Luther Prep![Luther Prep Photo - LPS Bell Tower]( "Luther Prep Photo - LPS Bell Tower")
(Wisconsin Evangelical Lutheran Synod)
1300 Western Ave
Watertown, WI 53094
(920) 261-4352
Watertown, WI 53094
(920) 261-4352
Gr: 9-12 | 422 students Avg. class size: 18 students Sports: 12 | Extracurrculars: 10 Tuition listed
Maranatha Baptist Academy
(Baptist)
745 W Main St
Watertown, WI 53094
(920) 206-2367
Watertown, WI 53094
(920) 206-2367
Gr: 9-12 | 65 students Avg. class size: 12 students Sports: 3 Tuition listed
111 S Montgomery Street
Watertown, WI 53094
(920) 261-7204
Watertown, WI 53094
(920) 261-7204
Gr: PK-3 | 120 students Avg. class size: 15 students Tuition & acceptance rate listed
St. Marks Evangelical Lutheran School
(Wisconsin Evangelical Lutheran Synod)
706 Jones St
Watertown, WI 53094
(920) 262-8501
Watertown, WI 53094
(920) 262-8501
Gr: PK-8 | 238 students
Calvary Baptist Christian School
(Baptist)
792 Milford St
Watertown, WI 53094
(920) 262-0612
Watertown, WI 53094
(920) 262-0612
Gr: PK-8 | 165 students
Faith Lutheran School![Faith Lutheran School Photo - Arial photo]( "Faith Lutheran School Photo - Arial photo")
(Lutheran Church Missouri Synod)
626 Milford St
Watertown, WI 53094
(920) 261-8060
Watertown, WI 53094
(920) 261-8060
Gr: PK-4 | 26 students
1611 E Main St
Watertown, WI 53094
(920) 261-2579
Watertown, WI 53094
(920) 261-2579
Gr: PK-8 | 138 students Avg. class size: 18 students
Lebanon Lutheran School![Lebanon Lutheran School Photo - 2017-2018 School Theme]( "Lebanon Lutheran School Photo - 2017-2018 School Theme")
(Lutheran Church Missouri Synod)
N534 County Road R
Watertown, WI 53098
(920) 925-3791
Watertown, WI 53098
(920) 925-3791
Gr: PK-8 | 71 students Avg. class size: 12 students Sports: 5 Tuition listed
St. Henry Catholic School
(Catholic)
300 E Cady St
Watertown, WI 53094
(920) 261-2586
Watertown, WI 53094
(920) 261-2586
Gr: 4-8 | 90 students
St. John's Lutheran School
(Wisconsin Evangelical Lutheran Synod)
317 North 6th Street
Watertown, WI 53094
(920) 261-3756
Watertown, WI 53094
(920) 261-3756
Gr: K-8 | 126 students Avg. class size: 12 students Sports: 6 | Extracurrculars: 3 Tuition & acceptance rate listed
Trinity-st Lukes Lutheran Elementary School
(Wisconsin Evangelical Lutheran Synod)
801 S 5th St
Watertown, WI 53094
(920) 261-3615
Watertown, WI 53094
(920) 261-3615
Gr: PK-8 | 130 students
Trinity-st Lukes Lutheran Middle School
(Lutheran Church Missouri Synod)
303 Clark St
Watertown, WI 53094
(920) 206-1844
Watertown, WI 53094
(920) 206-1844
Gr: 5-8 | 79 students
Frequently Asked Questions
What are the top ranked private schools in Watertown, WI?
The top ranked private schools in Watertown, WI include Luther Prep, St. Bernard School, and St. Marks Evangelical Lutheran School.
How many private schools are located in Watertown?
12 private schools are located in Watertown.
How diverse are private schools in Watertown?
Watertown private schools are approximately 14% minority students, which is lower than the Wisconsin private school average of 35%.
What percentage of students in Watertown go to private school?
34% of all K-12 students in Watertown are educated in private schools (compared to the WI state average of 15%).
What percentage of private schools are religiously affiliated in Watertown?
100% of private schools in Watertown are religiously affiliated (most commonly Lutheran Church Missouri Synod and Wisconsin Evangelical Lutheran Synod).
Which private schools in Watertown are often viewed compared to one another?
Popular comparisons of private schools in Watertown include: Lebanon Lutheran School vs. Faith Lutheran School, Lebanon Lutheran School vs. Good Shepherd Lutheran School, St. Marks Evangelical Lutheran School vs. St. John's Lutheran School
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