For the 2026 school year, there is 1 private high school serving 221 students in Delafield, WI.
The top-ranked private high school in Delafield, WI is St. John's Northwestern Academy.
100% of private high schools in Delafield, WI are religiously affiliated (most commonly Episcopal).
Top-Ranked Delafield Private High Schools (2026)
School
Location
Quick Facts
1101 Genesee Street
Delafield, WI 53018
(262) 646-7199
Delafield, WI 53018
(262) 646-7199
Gr: 7-12 | 221 students Avg. class size: 12 students Sports: 11 | Extracurrculars: 11 Tuition listed
Overview
This Town (Delafield)
This State (WI)
# Schools
1 School
Student Body:
# Students
221 Students
51,977 Students
% Average Students of Color
25%
40%
Academics and Faculty:
# Teachers
35 Teachers
4,468 Teachers
Average Student-Teacher Ratio
6:1
12:1
% Average Faculty w/Advanced Degree
35%
50%
Average Class Size
12 students
15 students
Average Number of AP Courses
10 courses
12 courses
Average SAT score
1110
(Out of 1600)
1238
Average ACT score
24
(Out of 36)
24
Tuition and Acceptance Rate:
Average Yearly Tuition Cost
$45,000
$11,597
Average Summer Program Cost
$1,500
$2,206
Average % on Financial Aid
25%
43%
Average Financial Aid Grant
$7,000
$2,931
Students by Ethnicity:
Diversity Score
0.41
0.67
# American Indian Students
1 Student
205 Students
% American Indian Students
n/a
n/a
# Asian Students
6 Students
2,076 Students
% Asian Students
2%
4%
# Hispanic Students
50 Students
8,855 Students
% Hispanic Students
18%
16%
# Black Students
14 Students
7,892 Students
% Black Students
5%
15%
# White Students
215 Students
28,503 Students
% White Students
75%
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
6,888 Students
% of Others Students
n/a
13%
All Ethnic Groups
Extracurriculars and Sports:
Average Number of Extracurriculars
11 extracurriculars
12 extracurriculars
Average Number of Sports
11 sports
10 sports
Frequently Asked Questions
What are the top-ranked private high schools in Delafield, WI?
The top-ranked private high schools in Delafield, WI is St. John's Northwestern Academy.
How many private high schools are located in Delafield?
1 private high schools are located in Delafield.
What percentage of private high schools are religiously affiliated in Delafield?
100% of private high schools in Delafield are religiously affiliated (most commonly Episcopal).
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