For the 2026 school year, there are 4 private schools serving 718 students in Onalaska, WI (there are 6 public schools, serving 2,970 public students). 19% of all K-12 students in Onalaska, WI are educated in private schools (compared to the WI state average of 15%).
The top-ranked private school in Onalaska, WI is Luther High School.
75% of private schools in Onalaska, WI are religiously affiliated (most commonly Wisconsin Evangelical Lutheran Synod and Christian).
Top-Ranked Onalaska Private Schools (2026)
School
Location
Quick Facts
Luther High School
(Wisconsin Evangelical Lutheran Synod)
1501 Wilson St
Onalaska, WI 54650
(608) 783-5435
Onalaska, WI 54650
(608) 783-5435
Gr: 9-12 | 270 students Sports: 10 Tuition listed
Great River Montessori
Montessori School
N5560 County Road Zm Ste 4
Onalaska, WI 54650
(608) 615-1800
Onalaska, WI 54650
(608) 615-1800
Gr: PK-3 | 36 students
St. Patrick School
(Christian)
127 11th Ave N
Onalaska, WI 54650
(608) 783-5483
Onalaska, WI 54650
(608) 783-5483
Gr: PK-6 | 188 students
1201 Main Street
Onalaska, WI 54650
(608) 783-4822
Onalaska, WI 54650
(608) 783-4822
Gr: PK-8 | 224 students Avg. class size: 20 students Sports: 5
Overview
This Town (Onalaska)
This State (WI)
# Schools
4 Schools
Student Body:
# Students
718 Students
147,809 Students
% Average Students of Color
7%
35%
Academics and Faculty:
# Teachers
58 Teachers
11,482 Teachers
Average Student-Teacher Ratio
12:1
13:1
% Average Faculty w/Advanced Degree
20%
39%
Average Class Size
20 students
16 students
Tuition and Acceptance Rate:
Average Yearly Tuition Cost
$9,391
$7,510
Students by Ethnicity:
Diversity Score
0.43
0.66
# American Indian Students
n/a
906 Students
% American Indian Students
n/a
1%
# Asian Students
15 Students
3,598 Students
% Asian Students
2%
2%
# Hispanic Students
15 Students
17,453 Students
% Hispanic Students
2%
12%
# Black Students
9 Students
20,337 Students
% Black Students
1%
13%
# White Students
522 Students
79,819 Students
% White Students
73%
53%
# Hawaiian Students
2 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
155 Students
28,746 Students
% of Others Students
22%
19%
All Ethnic Groups
Extracurriculars and Sports:
Average Number of Sports
8 sports
6 sports
Frequently Asked Questions
What are the top-ranked private schools in Onalaska, WI?
The top-ranked private schools in Onalaska, WI is Luther High School.
How many private schools are located in Onalaska?
4 private schools are located in Onalaska.
What percentage of students in Onalaska go to private school?
19% of all K-12 students in Onalaska are educated in private schools (compared to the WI state average of 15%).
What percentage of private schools are religiously affiliated in Onalaska?
75% of private schools in Onalaska are religiously affiliated (most commonly Wisconsin Evangelical Lutheran Synod and Christian).
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