For the 2025-26 school year, there are 13 private schools belonging to Independent Schools Association of the Central States (ISACS) serving 4,827 students in Wisconsin. You can also find more schools membership associations in Wisconsin.
The top ranked private schools belonging to Independent Schools Association of the Central States (ISACS) in Wisconsin include Eastbrook Academy, Edgewood High School Of The Sacred Heart, and Madison Country Day School.
The average tuition cost is $21,328, which is higher than the Wisconsin private school average tuition cost of $7,742.
Top Ranked Private Schools Belonging to Independent Schools Association of the Central States (ISACS) in Wisconsin (2025-26)
School
Location
Quick Facts
4050 Lighthouse Drive
Racine, WI 53402
(262) 752-2500
Racine, WI 53402
(262) 752-2500
Gr: PK-12 | 638 students Avg. class size: 16 students Sports: 10 | Extracurrculars: 36 Tuition & acceptance rate listed
101 N University Avenue
Beaver Dam, WI 53916
(920) 885-3373
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
Eagle School![Eagle School Photo - A great location for learning in and out of the classroom. Eagle School Photo - A great location for learning in and out of the classroom.]()

Special Program Emphasis
5454 Gunflint Trl
Madison, WI 53711
(608) 273-0309
Madison, WI 53711
(608) 273-0309
Gr: K-8 | 262 students Avg. class size: 14 students Sports: 7 | Extracurrculars: 20 Tuition listed
5375 N Green Bay Avenue
Milwaukee, WI 53209
(414) 228-7905
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
Madison, WI 53711
(608) 257-1023
Gr: 9-12 | 613 students Avg. class size: 20 students Sports: 20 | Extracurrculars: 31 Tuition listed
5606 River Road
Waunakee, WI 53597
(608) 850-6000
Waunakee, WI 53597
(608) 850-6000
Gr: PK-12 | 391 students Avg. class size: 16 students Sports: 11 | Extracurrculars: 8 Tuition & acceptance rate listed
Milwaukee Montessori School![Milwaukee Montessori School Photo - Milwaukee Montessori School Milwaukee Montessori School Photo - Milwaukee Montessori School]()

Montessori School
345 N. 95th Street
Milwaukee, WI 53226
(414) 259-0370
Milwaukee, WI 53226
(414) 259-0370
Gr: NS-8 | 410 students Avg. class size: 26 students Sports: 7 | Extracurrculars: 8 Tuition & acceptance rate listed
St. John's Northwestern Academies![St. John's Northwestern Academies Photo St. John's Northwestern Academies Photo]()

Special Program Emphasis (Episcopal)
1101 Genesee Street
Delafield, WI 53018
(262) 646-7199
Delafield, WI 53018
(262) 646-7199
Gr: 7-12 | 180 students Avg. class size: 10 students Sports: 20 | Extracurrculars: 5 Tuition listed
4024 Nagawicka Road
Hartland, WI 53029
(262) 263-8011
Hartland, WI 53029
(262) 263-8011
Gr: NS-12 | 311 students Avg. class size: 15 students Sports: 13 | Extracurrculars: 17 Tuition listed
2100 W Fairy Chasm Rd
Milwaukee, WI 53217
(414) 352-6000
Milwaukee, WI 53217
(414) 352-6000
Gr: PK-12 | 1,135 student Sports: 18 Tuition listed
Milwaukee Jewish Day School
(Jewish)
6401 N Santa Monica Blvd
Milwaukee, WI 53217
(414) 967-8307
Milwaukee, WI 53217
(414) 967-8307
Gr: PK-8 | 149 students Avg. class size: 15 students Sports: 6 | Extracurrculars: 4 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. 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
Kenosha, WI 53142
(262) 697-7744
Gr: K-12 | 34 students Avg. class size: 8 students Tuition listed
718 Gilmore St
Madison, WI 53711
(608) 238-2525
Madison, WI 53711
(608) 238-2525
Gr: K-8 | 117 students Extracurrculars: 6 Tuition listed
Recent Articles

Transferring from Public to Private School Mid-Year: What to Expect
Considering a mid-year transfer from public to private school? Learn what to expect with admissions, academic placement, social adjustment, and financial aid to ensure a smooth transition.

A Guide to Day vs. Boarding School: Which Is Right for Your Family
Discover the key differences between day and boarding schools to determine the best fit for your child. Explore benefits, costs, lifestyle factors, and questions to help guide your family’s decision.

The A to Z of Private Schools 2025
Explore the A to Z of private schools in 2025—from admissions to tuition—offering parents and educators clear insights into today’s options.