Private School Review - Established 2003
Delafield KinderCare
St. John's Northwestern Academy Top 11 ยท Highest Avg. SAT Score (WI)

Delafield Private Schools

For the 2026-27 school year, there are 3 private schools serving 269 students in Delafield, WI, 45% of all K-12 students in Delafield, WI are educated in private schools versus public schools (compared to the WI state average of 15%).
67% of private schools in Delafield, WI are religiously affiliated (most commonly Episcopal and Christian).

Quick Facts (26-27)

Quick Facts (26-27)

Top Ranked Delafield Private Schools (2026-27)

St. John's Northwestern Academy Photo
St. John's Northwestern Academy
Gr: 7-12 | 221 students
Avg. class size: 12 students
Sports: 11 | Extracurriculars: 11
Specialized Curriculum (Episcopal)
1101 Genesee Street
Delafield, WI 53018
(262) 646-7199
(1)
View Profile
Map of Augustine Academy
Augustine Academy
Gr: K-7 | 48 students
Christian
Po Box 180066
Delafield, WI 53018
(262) 888-0046
View Profile
Delafield KinderCare Photo
Delafield KinderCare
Gr: NS-PK
Daycare / Preschool
3175 Hillside Dr.
Delafield, WI 53018
(262) 646-5112
View Profile

Delafield, WI Private School Trends (10-Year)

3
Private Schools
+50.0% (+1 school) 10-yr
269
Students
+12.1% (+29 students) 10-yr
$45,000
Avg. Tuition
+30.4% (+$10,500) 10-yr
12
Avg. Class Size
-20.0% (-3 students) 10-yr
21%
Students of Color
+31.3% (+5.0 pp) 10-yr
7:1
Student-Teacher Ratio
-12.5% (-1.0) 10-yr
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Enrollment & Diversity
Category
This Town (Delafield)
This State (WI)
# Schools
3 Schools
954 Schools
# Students
269 Students
147,262 Students

Trends in the Average Number of Students Per Private School

YearDelafield, WI AvgWisconsin (WI)National
2025135166179
2024114161172
2023114153174
2022180164185
2021180162180
2020180152171
2019180149175
2018240147172
2017240154180
2016240152178
2015240147167
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% Students of Color
21%
35%

Percentage of Students of Color Trends (2015-2025)

YearDelafield, WI AvgWisconsin (WI)National
202521%35%34%
202420%35%34%
202320%34%33%
202225%31%33%
202125%31%32%
202025%31%32%
201825%30%31%
201716%30%32%
201616%30%32%
201516%30%32%
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0.36
0.66

Diversity Score Trends

YearDelafield, WI AvgWisconsin (WI)National
20250.360.660.65
20240.360.660.65
20230.360.650.65
20220.410.630.64
20210.410.630.64
20200.410.630.64
20190.410.610.63
20180.410.600.63
20170.410.560.61
20160.410.570.61
20150.410.570.61
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Show more data/charts: racial breakdown
# American Indian Students
1 Student
897 Students
% American Indian Students
n/a
1%
# Asian Students
6 Students
3,565 Students
% Asian Students
2%
2%

Asian Student Percentage Trends

YearDelafield, WI AvgWisconsin (WI)National
20253%2%5%
20243%2%5%
20233%3%5%
20223%3%4%
20213%4%4%
20203%3%4%
20193%2%4%
20183%2%4%
20173%2%4%
20163%2%4%
20153%2%4%
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# Hispanic Students
51 Students
17,428 Students
% Hispanic Students
15%
12%

Hispanic Student Percentage Trends

YearDelafield, WI AvgWisconsin (WI)National
202515%12%9%
202415%12%9%
202315%9%9%
202217%8%8%
202117%8%9%
202017%8%9%
201917%8%8%
201817%8%8%
201717%6%8%
201617%6%8%
201517%6%8%
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# Black Students
14 Students
20,225 Students
% Black Students
4%
13%

Black Student Percentage Trends

YearDelafield, WI AvgWisconsin (WI)National
20254%13%7%
20244%14%7%
20234%15%8%
20225%13%7%
20215%13%7%
20205%14%8%
20195%12%7%
20185%12%7%
20175%11%7%
20165%11%7%
20155%12%8%
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# White Students
262 Students
79,460 Students
% White Students
79%
53%

White Student Percentage Trends

YearDelafield, WI AvgWisconsin (WI)National
202578%53%52%
202478%53%52%
202378%53%52%
202275%56%54%
202175%56%54%
202075%57%54%
201975%59%56%
201875%59%56%
201775%63%58%
201675%63%58%
201575%63%58%
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# Hawaiian Students
n/a
294 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
29,380 Students
% of Others Students
n/a
19%
All Ethnic Groups
Academics
# Teachers
40 Teachers
11,480 Teachers
Average Student-Teacher Ratio
7:1
13:1

Student-Teacher Ratio Trends (2015-2025)

YearDelafield, WI AvgWisconsin (WI)National
20257:113:111:1
20246:113:111:1
20236:113:111:1
20225:113:111:1
20215:113:111:1
20205:113:112:1
20195:113:112:1
20187:113:112:1
20177:113:112:1
20168:113:112:1
20158:114:112:1
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% Average Faculty w/Advanced Degree
35%
38%

Percentage of Faculty With Advanced Degrees Trends (2015-2025)

YearDelafield, WI AvgWisconsin (WI)National
202535%39%55%
202435%39%54%
202335%38%54%
202235%38%54%
202135%37%54%
202035%37%54%
201935%36%53%
201835%36%53%
201735%36%53%
201621%35%52%
201521%35%52%
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Average Class Size
12 students
16 students

Class Size Trends (2015-2025)

YearDelafield, WI AvgWisconsin (WI)National
2025121615
2024101515
2023101615
2022101615
2021101515
2020121615
2019121615
2018151615
2017151615
2016151615
2015151615
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Average Number of AP Courses
10 courses
12 courses

Trends in Average Number of AP Courses Offered

YearDelafield, WI AvgWisconsin (WI)National
2025101213
202451012
20235911
202251011
20215911
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Average SAT score
1110
(Out of 1600)
1238

SAT Score Trends (2023-2025)

YearDelafield, WI AvgWisconsin (WI)National
2025111012201233
2024111012131230
2023111012101228
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Average ACT score
24
(Out of 36)
24

ACT Score Trends (2015-2025)

YearDelafield, WI AvgWisconsin (WI)National
2025242426
2024242426
2023242426
2022242426
2021242426
2020242425
2019242425
2018242425
2017242425
2016262425
2015262425
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Tuition & Aid
Average Yearly Tuition Cost
$45,000
$5,806

Tuition Cost Trends (2015-2025)

YearDelafield, WI AvgWisconsin (WI)National
2025$45,000$7,693$15,012
2024$45,000$5,174$13,254
2023$45,000$5,036$12,626
2021$42,000$4,507$11,800
2020$39,000$4,494$11,512
2019$39,000$4,526$11,293
2018$38,000$4,293$11,017
2017$38,000$4,337$10,708
2016$34,500$4,253$10,356
2015$34,500$4,242$9,939
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Average Summer Program Cost
$1,500
$1,173
Average % on Financial Aid
25%
36%

Percent on Financial Aid Trends (2015-2018)

YearDelafield, WI AvgWisconsin (WI)National
201827%31%30%
201727%31%30%
201627%29%29%
201527%26%28%
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Average Financial Aid Grant
$7,000
$2,595

Financial Aid Grant Trends (2015-2018)

YearDelafield, WI AvgWisconsin (WI)National
2018$8,500$1,889$5,456
2017$8,500$1,959$5,319
2016$8,500$1,895$5,105
2015$8,500$1,812$5,030
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Admissions & Athletics
Average Number of Extracurriculars
11 extracurriculars
7 extracurriculars
Average Number of Sports
11 sports
6 sports

Frequently Asked Questions

What are the top ranked private schools in Delafield, WI?
The top ranked private schools in Delafield, WI is St. John's Northwestern Academy.
How many private schools are located in Delafield?
3 private schools are located in Delafield.
What percentage of students in Delafield go to private school?
45% of all K-12 students in Delafield are educated in private schools (compared to the WI state average of 15%).
What percentage of private schools are religiously affiliated in Delafield?
67% of private schools in Delafield are religiously affiliated (most commonly Episcopal and Christian).

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