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Best Greendale Private Schools (2026)

For the 2026 school year, there are 3 private schools serving 915 students in Greendale, WI (there are 6 public schools, serving 2,609 public students). 26% of all K-12 students in Greendale, WI are educated in private schools (compared to the WI state average of 15%).
The top-ranked private schools in Greendale, WI include St. Alphonsus School and Martin Luther High School.
67% of private schools in Greendale, WI are religiously affiliated (most commonly Lutheran Church Missouri Synod and Catholic).

Top-Ranked Greendale Private Schools (2026)

School
Location
Quick Facts
Martin Luther High School
Martin Luther High School Photo
(Lutheran Church Missouri Synod)
(1)
5201 S 76th St
Greendale, WI 53129
(414) 421-4000
Gr: 9-12 | 653 students Sports: 16 | Extracurrculars: 27 Tuition listed
St. Alphonsus School
(Catholic)
6000 W Loomis Rd
Greendale, WI 53129
(414) 421-1760
Gr: PK-8 | 262 students
Greendale KinderCare
Greendale KinderCare Photo - Welcome to our center!
Daycare / Preschool
5230 West Loomis Rd.
Greendale, WI 53129
(414) 421-5510
Gr: NS-PK

Overview

This Town (Greendale)
This State (WI)
# Schools
3 Schools

Student Body:

# Students
915 Students
147,809 Students
% Average Students of Color
51%
35%

Academics and Faculty:

# Teachers
56 Teachers
11,482 Teachers
Average Student-Teacher Ratio
16:1
13:1
% Average Faculty w/Advanced Degree
45%
39%
Average Number of AP Courses
25 courses
12 courses
Average ACT score
25
(Out of 36)
25

Tuition and Acceptance Rate:

Average Yearly Tuition Cost
$12,950
$7,510
Average % on Financial Aid
50%
35%
Average Financial Aid Grant
$3,000
$2,651

Students by Ethnicity:

0.76
0.66
# American Indian Students
10 Students
906 Students
% American Indian Students
1%
1%
# Asian Students
47 Students
3,598 Students
% Asian Students
5%
2%
# Hispanic Students
202 Students
17,453 Students
% Hispanic Students
22%
12%
# Black Students
121 Students
20,337 Students
% Black Students
13%
13%
# White Students
339 Students
79,819 Students
% White Students
37%
53%
# Hawaiian Students
n/a
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
196 Students
28,746 Students
% of Others Students
22%
19%
All Ethnic Groups

Extracurriculars and Sports:

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

Frequently Asked Questions

What are the top-ranked private schools in Greendale, WI?
The top-ranked private schools in Greendale, WI include St. Alphonsus School and Martin Luther High School.
How many private schools are located in Greendale?
3 private schools are located in Greendale.
What percentage of students in Greendale go to private school?
26% of all K-12 students in Greendale are educated in private schools (compared to the WI state average of 15%).
What percentage of private schools are religiously affiliated in Greendale?
67% of private schools in Greendale are religiously affiliated (most commonly Lutheran Church Missouri Synod and Catholic).

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