Luther Prep Photo - LPS Bell Tower

Best Watertown Private High Schools (2026)

For the 2026 school year, there are 2 private high schools serving 487 students in Watertown, WI.
The top-ranked private high schools in Watertown, WI include Luther Prep and Maranatha Baptist Academy.
100% of private high schools in Watertown, WI are religiously affiliated (most commonly Baptist and Wisconsin Evangelical Lutheran Synod).

Top-Ranked Watertown Private High 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

Overview

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

Student Body:

# Students
487 Students
52,538 Students
% Average Students of Color
12%
40%

Academics and Faculty:

# Teachers
51 Teachers
4,474 Teachers
Average Student-Teacher Ratio
10:1
12:1
% Average Faculty w/Advanced Degree
73%
50%
Average Class Size
15 students
15 students
Average Number of AP Courses
5 courses
12 courses
Average ACT score
25
(Out of 36)
24

Tuition and Acceptance Rate:

Average Yearly Tuition Cost
$6,908
$11,638
Average % on Financial Aid
75%
44%
Average Financial Aid Grant
$2,500
$3,573

Students by Ethnicity:

0.22
0.67
# American Indian Students
n/a
208 Students
% American Indian Students
n/a
n/a
# Asian Students
14 Students
2,096 Students
% Asian Students
3%
4%
# Hispanic Students
21 Students
8,856 Students
% Hispanic Students
4%
16%
# Black Students
24 Students
7,894 Students
% Black Students
5%
15%
# White Students
428 Students
28,512 Students
% White Students
88%
52%
# Hawaiian Students
n/a
64 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
n/a
6,849 Students
% of Others Students
n/a
13%
All Ethnic Groups

Extracurriculars and Sports:

Average Number of Extracurriculars
10 extracurriculars
13 extracurriculars
Average Number of Sports
8 sports
10 sports

Frequently Asked Questions

What are the top-ranked private high schools in Watertown, WI?
The top-ranked private high schools in Watertown, WI include Luther Prep and Maranatha Baptist Academy.
How many private high schools are located in Watertown?
2 private high schools are located in Watertown.
What percentage of private high schools are religiously affiliated in Watertown?
100% of private high schools in Watertown are religiously affiliated (most commonly Baptist and Wisconsin Evangelical Lutheran Synod).

Recent Articles

Financial Aid 101 for Private School Families 2026
Financial Aid 101 for Private School Families 2026
Guide to private school financial aid in 2026, with current costs, key planning timelines and practical steps parents need to maximize aid options.
Why Extracurricular Activities Matter in 2026
Why Extracurricular Activities Matter in 2026
Discover why extracurricular activities remain essential in 2026, with updated research, costs, and admissions insights for parents and students.
How to Appeal for Financial Aid After Admission
How to Appeal for Financial Aid After Admission
Learn how to appeal for financial aid after admission to a private school, with expert steps, timelines, and 2026 updates for families.