Wayland Academy Photo

Best Wisconsin Private High Schools Belonging to Independent Schools Association of the Central States (ISACS) (2026)

For the 2026 school year, there are 9 private high schools belonging to Independent Schools Association of the Central States (ISACS) serving 3,952 students in Wisconsin. You can also find more schools membership associations in Wisconsin.
The top-ranked private high schools belonging to Independent Schools Association of the Central States (ISACS) in Wisconsin include The Prairie School, University School of Milwaukee, and Madison Country Day School.
The average acceptance rate is 62%, which is lower than the Wisconsin private high school average acceptance rate of 84%.
33% of private high schools belonging to Independent Schools Association of the Central States (ISACS) in Wisconsin are religiously affiliated (most commonly Christian and Other).

Top-Ranked Private High Schools Belonging to Independent Schools Association of the Central States (ISACS) in Wisconsin (2026)

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
Eastbrook Academy
Eastbrook Academy Photo
(Christian)
(3)
5375 N Green Bay Avenue
Milwaukee, WI 53209
(414) 228-7905
Gr: PK-12 | 387 students Avg. class size: 16 students Sports: 6 | Extracurrculars: 3 Tuition & acceptance rate listed
2219 Monroe St
Madison, WI 53711
(608) 257-1023
Gr: 9-12 | 610 students Avg. class size: 20 students Sports: 20 | Extracurrculars: 31 Tuition listed
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)
(1)
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: PK-12 | 333 students Avg. class size: 15 students Sports: 14 | Extracurrculars: 18 Tuition listed
2100 W Fairy Chasm Rd
Milwaukee, WI 53217
(414) 352-6000
Gr: PK-12 | 1,135 students Sports: 18 Tuition listed
Open Wings Learning Community
Open Wings Learning Community Photo - Our very low student-to-teacher ratio allows individualized, hands-on, experiential learning for every student.
Special Education School
13022 Wilmot Road
Kenosha, WI 53142
(262) 697-7744
Gr: K-12 | 34 students Avg. class size: 8 students Tuition listed

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