Private School Review - Established 2003
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.
Madison Country Day School

Best Wisconsin Private High Schools Belonging to National Association of Independent Schools (NAIS) (2025-26)

For the 2025-26 school year, there are 7 private high schools belonging to National Association of Independent Schools (NAIS) serving 2,960 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 Wayland Academy, University Lake School, and The Prairie School.
The average acceptance rate is 46%, which is lower than the Wisconsin private high school average acceptance rate of 84%.
14% 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 (2025-26)

School
Location
Quick Facts
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
Gr: PK-12 | 638 students Avg. class size: 16 students Sports: 10 | Extracurrculars: 36 Tuition & acceptance rate listed
Wayland Academy
Wayland Academy Photo
101 N University Avenue
Beaver Dam, WI 53916
(920) 885-3373
Gr: 9-12 | 200 students Avg. class size: 15 students Sports: 17 | Extracurrculars: 28 Tuition & acceptance rate listed
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
Gr: 10-11 | 64 students Avg. class size: 15 students Extracurrculars: 3 Tuition & acceptance rate listed
Madison Country Day School
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.
5606 River Road
Waunakee, WI 53597
(608) 850-6000
Gr: PK-12 | 391 students Avg. class size: 16 students Sports: 11 | Extracurrculars: 8 Tuition & acceptance rate listed
St. John's Northwestern Academy
St. John's Northwestern Academy Photo - Our students walking through campus.
Special Program Emphasis (Episcopal)
1101 Genesee Street
Delafield, WI 53018
(262) 646-7199
Gr: 7-12 | 221 students Avg. class size: 12 students Sports: 11 | Extracurrculars: 11 Tuition listed
University Lake School
University Lake School Photo
(3)
4024 Nagawicka Road
Hartland, WI 53029
(262) 263-8011
Gr: NS-12 | 311 students Avg. class size: 15 students Sports: 13 | Extracurrculars: 17 Tuition listed
University School of Milwaukee
University School of Milwaukee Photo - The iconic tower on the USM campus.
2100 W Fairy Chasm Rd
Milwaukee, WI 53217
(414) 352-6000
Gr: PK-12 | 1,135 student Sports: 18 Tuition listed

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