Madison Country Day School Photo - Located on a 40-acre campus encompassing diverse ecosystems, MCDS provides an education that is outside: Outside your expectations. Outside what you thought possible. Outside in the way that Madison is outside: inspired by the natural world, eager to collaborate, driven to innovate, powered by the serious pleasure of the learning process.

Top 5 Best Wisconsin Private High Schools Belonging to National Association of Independent Schools (NAIS) (2025)

For the 2025 school year, there are 8 private high schools belonging to National Association of Independent Schools (NAIS) serving 3,010 students in Wisconsin. You can also find more schools membership associations in Wisconsin.
The top ranked private high schools belonging to National Association of Independent Schools (NAIS) in Wisconsin include Madison Country Day School, University Lake School, and University School of Milwaukee.
The average acceptance rate is 46%, which is lower than the Wisconsin private high school average acceptance rate of 83%.
13% of private high schools belonging to National Association of Independent Schools (NAIS) in Wisconsin are religiously affiliated (most commonly Episcopal).

Top Ranked Private High Schools Belonging to National Association of Independent Schools (NAIS) in Wisconsin (2025)

School
Location
Grades
Students
The Prairie School
The Prairie School Photo - Learning and growing. It's at the heart of everything we do. This is where your child will learn to create, collaborate, and communicate. Where they will become equipped with the tools to think, reason, write, and question. This is where your child will take ownership of their dreams while chasing down their passions. This is Prairie.
(3)
4050 Lighthouse Drive
Racine, WI 53402
(262) 752-2500
Grades: PK-12
| 638 students
Wayland Academy
Wayland Academy Photo
101 N University Avenue
Beaver Dam, WI 53916
(920) 885-3373
Grades: 9-12
| 200 students
Conserve School
Conserve School Photo - Reading and rowing in history class
(8)
5400 N Black Oak Lake Road
Land O Lakes, WI 54540
(715) 547-1300
Grades: 10-11
| 64 students
5606 River Road
Waunakee, WI 53597
(608) 850-6000
Grades: PK-12
| 391 students
St. John's Northwestern Academies
St. John's Northwestern Academies Photo
Special Program Emphasis (Episcopal)
1101 Genesee Street
Delafield, WI 53018
(262) 646-7199
Grades: 6-12
| 180 students
University Lake School
University Lake School Photo
(3)
4024 Nagawicka Road
Hartland, WI 53029
(262) 263-8011
Grades: NS-12
| 302 students
2100 W Fairy Chasm Rd
Milwaukee, WI 53217
(414) 352-6000
Grades: PK-12
| 1,142 students
Armitage Academy
6032 8th Ave
Kenosha, WI 53143
(262) 654-4200
Grades: K-9
| 93 students

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