University Lake School Photo

Top 10 Best Wisconsin Private Schools Belonging to Independent Schools Association of the Central States (ISACS) (2025)

For the 2025 school year, there are 13 private schools belonging to Independent Schools Association of the Central States (ISACS) serving 4,825 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 $21,203, which is higher than the Wisconsin private school average tuition cost of $7,688.
31% of private schools belonging to Independent Schools Association of the Central States (ISACS) in Wisconsin are religiously affiliated (most commonly Christian and Episcopal).

Top Ranked Private Schools Belonging to Independent Schools Association of the Central States (ISACS) 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
Eagle School
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
Grades: K-8
| 262 students
Eastbrook Academy
Eastbrook Academy Photo
(Christian)
(3)
5375 N Green Bay Avenue
Milwaukee, WI 53209
(414) 228-7905
Grades: PK-12
| 387 students
2219 Monroe St
Madison, WI 53711
(608) 257-1023
Grades: 9-12
| 613 students
5606 River Road
Waunakee, WI 53597
(608) 850-6000
Grades: PK-12
| 391 students
Milwaukee Montessori School
Milwaukee Montessori School Photo - Milwaukee Montessori School
Montessori School
345 N. 95th Street
Milwaukee, WI 53226
(414) 259-0370
Grades: NS-8
| 410 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
Milwaukee Jewish Day School
(Jewish)
6401 N Santa Monica Blvd
Milwaukee, WI 53217
(414) 967-8307
Grades: PK-8
| 149 students
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
Grades: K-12
| 34 students
Wingra School
Wingra School Photo
(4)
718 Gilmore St
Madison, WI 53711
(608) 238-2525
Grades: K-8
| 117 students

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