Private School Review - Established 2003
The Prairie School Top 9 · Highest Avg. ACT Score (WI)
University Lake School Top 4 · Highest Avg. SAT Score (WI)
University School of Milwaukee Top 3 · Largest Endowment (WI)

Best Wisconsin Private Schools Belonging to National Association of Independent Schools (NAIS)

For the 2026-27 school year, there are 19 private schools belonging to National Association of Independent Schools (NAIS) serving 5,057 students in Wisconsin. You can also find more schools membership associations in Wisconsin.
The top ranked private schools belonging to National Association of Independent Schools (NAIS) in Wisconsin include Madison Country Day School, Conserve School, and University School of Milwaukee.
The average tuition cost is $17,651, which is higher than the Wisconsin private school average tuition cost of $5,755.
47% of private schools belonging to National Association of Independent Schools (NAIS) in Wisconsin are religiously affiliated (most commonly Catholic and Amish).

Quick Facts (26-27)

  • # Private Schools: 19

Quick Facts (26-27)

  • # Private Schools: 19

Top Ranked Private Schools Belonging to National Association of Independent Schools (NAIS) in Wisconsin (2026-27)

Madison Community Montessori Photo
Madison Community Montessori
Gr: PK-8 | 145 students
Avg. class size: 25 students
Extracurriculars: 1
Montessori School
8406 Ellington Way
Middleton, WI 53562
(608) 827-6267
View Profile
The Prairie School Photo
The Prairie School
Gr: PK-12 | 638 students
Avg. class size: 16 students
Sports: 10 | Extracurriculars: 36
4050 Lighthouse Drive
Racine, WI 53402
(262) 752-2500
(3)
View Profile
Conserve School Photo
Conserve School
Gr: 10-11 | 64 students
Avg. class size: 15 students
Extracurriculars: 3
5400 N Black Oak Lake Road
Land O Lakes, WI 54540
(715) 547-1300
(8)
View Profile
Madison Country Day School Photo
Madison Country Day School
Gr: PK-12 | 391 students
Avg. class size: 16 students
Sports: 11 | Extracurriculars: 8
5606 River Road
Waunakee, WI 53597
(608) 850-6000
View Profile
Milwaukee Montessori School Photo
Milwaukee Montessori School
Gr: NS-8 | 410 students
Avg. class size: 26 students
Sports: 7 | Extracurriculars: 8
Montessori School
345 N. 95th Street
Milwaukee, WI 53226
(414) 259-0370
View Profile
Map of Nativity Jesuit Academy
Nativity Jesuit Academy
Gr: K-8 | 260 students
Avg. class size: 27 students
Sports: 4 | Extracurriculars: 1
Catholic
1515 S 29th St
Milwaukee, WI 53215
(414) 645-1060
View Profile
Map of Our Lady Of Lourdes School
Our Lady Of Lourdes School
Gr: PK-8 | 219 students
Catholic
1305 Lourdes Ave
De Pere, WI 54115
(920) 336-3091
View Profile
Prairie Hill Waldorf School Photo
Prairie Hill Waldorf School
Gr: PK-7 | 165 students
Avg. class size: 12 students
Sports: 3
Specialized Curriculum
N14w29143 Silvernail Rd
Pewaukee, WI 53072
(262) 646-7497
View Profile
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
St. Peter Catholic School Photo
St. Peter Catholic School
Gr: PK-5 | 75 students
Avg. class size: 10 students
Sports: 2 | Extracurriculars: 3
Catholic
206 E Washington Street
Slinger, WI 53086
(262) 644-8083
View Profile
Map of St. Rita Catholic School
St. Rita Catholic School
Gr: PK-8 | 248 students
Avg. class size: 28 students
Sports: 5 | Extracurriculars: 11
Catholic
4433 Douglas Ave
Racine, WI 53402
(262) 639-3333
View Profile
University Lake School Photo
University Lake School
Gr: PK-12 | 333 students
Avg. class size: 15 students
Sports: 14 | Extracurriculars: 23
4024 Nagawicka Road
Hartland, WI 53029
(262) 263-8011
(3)
View Profile
University School of Milwaukee Photo
University School of Milwaukee
Gr: PK-12 | 1,135 students
Sports: 18
2100 W Fairy Chasm Rd
Milwaukee, WI 53217
(414) 352-6000
View Profile
Wayland Academy Photo
Wayland Academy
Gr: 9-12 | 200 students
Sports: 17 | Extracurriculars: 28
101 N University Avenue
Beaver Dam, WI 53916
(920) 885-3373
View Profile
Map of Deer View School
Deer View School
Gr: 1-8 | 34 students
Amish
N3890 Valley Rd
Bonduel, WI 54107
(715) 758-6270
View Profile
Map of St. Joseph Grade School
St. Joseph Grade School
Gr: PK-8 | 161 students
Sports: 2
Catholic
305 E Walnut St
Dodgeville, WI 53533
(608) 930-3393
View Profile
Map of St. Joseph Parish School
St. Joseph Parish School
Gr: K-6 | 183 students
Catholic
281 Dakota St S
Prescott, WI 54021
(715) 262-5912
View Profile
Map of St. Therese School
St. Therese School
Gr: 4-5 | 58 students
Catholic
112 Kort Street W
Schofield, WI 54476
(715) 359-2131
View Profile
Wingra School Photo
Wingra School
Gr: K-8 | 117 students
Extracurriculars: 6
718 Gilmore St
Madison, WI 53711
(608) 238-2525
(4)
View Profile

Frequently Asked Questions

What are the top ranked private schools belonging to National Association of Independent Schools (NAIS) in Wisconsin?
The top ranked private schools belonging to National Association of Independent Schools (NAIS) in Wisconsin include Madison Country Day School, Conserve School, and University School of Milwaukee.
How many private schools belonging to National Association of Independent Schools (NAIS) are located in Wisconsin?
19 private schools belonging to National Association of Independent Schools (NAIS) are located in Wisconsin.
How much do private schools belonging to National Association of Independent Schools (NAIS) cost in Wisconsin?
The average tuition cost is $17,651, which is higher than the Wisconsin private school average tuition cost of $5,755.
How diverse are private schools belonging to National Association of Independent Schools (NAIS) in Wisconsin?
Wisconsin private schools belonging to National Association of Independent Schools (NAIS) are approximately 30% minority students, which is lower than the Wisconsin private school average of 35%.
What percentage of private schools belonging to National Association of Independent Schools (NAIS) are religiously affiliated in Wisconsin?
47% of private schools belonging to National Association of Independent Schools (NAIS) in Wisconsin are religiously affiliated (most commonly Catholic and Amish).
19
Private Schools
5,057
Students
$17,651
Avg. Tuition
30%
Students of Color
9:1
Student-Teacher Ratio

Recent Articles

Who Handles Medication at a Private School?
Who Handles Medication at a Private School?
Learn who handles student medication at private schools, what policies families should review, and which questions parents should ask about prescriptions, emergencies, storage, documentation, and daily administration.
Does Your Child Need a School With a Full-Time Nurse?
Does Your Child Need a School With a Full-Time Nurse?
Learn when a full-time school nurse matters, how private schools handle medications, chronic conditions and emergencies, and which health-service questions parents should ask before enrolling their child.
The Course Availability Test: Are Classes Really Offered?
The Course Availability Test: Are Classes Really Offered?
Learn how to verify whether private school catalog courses are actually offered each year, identify scheduling limitations, and ask better questions before choosing a school for your child today.

Quick Links

SCHOOL SEARCH TOOLS:
SCHOOL BY TYPE (WI):
OPEN-HOUSES & JOBS:
PUBLIC & BOARDING SCHOOLS:
PRIVATE SCHOOL DATA:

Most Popular Articles

School Rankings by Category
School Rankings by Category
 What is AP?
What is AP?
How Much Homework Is Too Much?
How Much Homework Is Too Much?

More Articles

Leadership in Private Education
Strategic School Choices
Programs for Exceptional Learners
Expert School Views
Advanced Learning Frameworks