St. Bernard School Photo

Best Watertown Private Schools (2026)

For the 2026 school year, there are 12 private schools serving 1,621 students in Watertown, WI (there are 10 public schools, serving 3,231 public students). 33% 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 Maranatha Baptist Academy, St. Marks Evangelical Lutheran School, and Luther Prep.
The average acceptance rate is 90%, which is higher than the Wisconsin private school average acceptance rate of 89%.
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 (2026)

School
Location
Quick Facts
Luther Prep
Luther Prep Photo - LPS Bell Tower
(Wisconsin Evangelical Lutheran Synod)
1300 Western Ave
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
Gr: 9-12 | 65 students Avg. class size: 12 students Sports: 3 Tuition listed
St. Bernard School
St. Bernard School Photo
(Catholic)
(1)
111 S Montgomery Street
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
Gr: PK-8 | 238 students
Calvary Baptist Christian School
(Baptist)
792 Milford St
Watertown, WI 53094
(920) 262-0612
Gr: PK-8 | 165 students
Faith Lutheran School
Faith Lutheran School Photo - Arial photo
(Lutheran Church Missouri Synod)
626 Milford St
Watertown, WI 53094
(920) 261-8060
Gr: PK-4 | 26 students
Good Shepherd Lutheran School
(Lutheran Church Missouri Synod)
(1)
1611 E Main St
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
(Lutheran Church Missouri Synod)
N534 County Road R
Watertown, WI 53098
(920) 925-3725
Gr: PK-8 | 22 students Avg. class size: 7 students Sports: 4 Tuition listed
St. Henry Catholic School
(Catholic)
300 E Cady St
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
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
Gr: PK-8 | 130 students
Trinity-st Lukes Lutheran Middle School
(Lutheran Church Missouri Synod)
303 Clark St
Watertown, WI 53094
(920) 206-1844
Gr: 5-8 | 79 students

Overview

This Town (Watertown)
This State (WI)
# Schools
12 Schools

Student Body:

# Students
1,621 Students
147,801 Students
% Average Students of Color
14%
35%

Academics and Faculty:

# Teachers
142 Teachers
11,482 Teachers
Average Student-Teacher Ratio
11:1
13:1
% Average Faculty w/Advanced Degree
73%
39%
Average Class Size
14 students
15 students
Average Number of AP Courses
5 courses
12 courses
Average ACT score
25
(Out of 36)
25

Tuition and Acceptance Rate:

Average Yearly Tuition Cost
$3,832
$7,497
Average % on Financial Aid
43%
35%
Average Financial Aid Grant
$1,600
$2,651
Average Acceptance Rate
90%
89%
Average Endowment Size
$3 million
$49.25 million

Students by Ethnicity:

0.37
0.66
# American Indian Students
n/a
906 Students
% American Indian Students
n/a
1%
# Asian Students
22 Students
3,598 Students
% Asian Students
1%
2%
# Hispanic Students
127 Students
17,453 Students
% Hispanic Students
8%
12%
# Black Students
41 Students
20,337 Students
% Black Students
2%
13%
# White Students
1,318 Students
79,819 Students
% White Students
79%
53%
# Hawaiian Students
3 Students
295 Students
% Hawaiian Students
n/a
n/a
# Two or more races Students
n/a
n/a
% of Two or more races Students
n/a
n/a
# Others Students
163 Students
28,746 Students
% of Others Students
10%
19%
All Ethnic Groups

Extracurriculars and Sports:

Average Number of Extracurriculars
7 extracurriculars
7 extracurriculars
Average Number of Sports
6 sports
6 sports

Frequently Asked Questions

What are the top-ranked private schools in Watertown, WI?
The top-ranked private schools in Watertown, WI include Maranatha Baptist Academy, St. Marks Evangelical Lutheran School, and Luther Prep.
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?
33% 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?

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