For the 2026 school year, there are 13 private schools belonging to Independent Schools Association of the Central States (ISACS) serving 4,719 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 Edgewood High School Of The Sacred Heart, The Prairie School, and University School of Milwaukee.
The average tuition cost is $21,422, which is higher than the Wisconsin private school average tuition cost of $7,540.
Top-Ranked Private Schools Belonging to Independent Schools Association of the Central States (ISACS) in Wisconsin (2026)
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 Academy![St. John's Northwestern Academy Photo - Our students walking through campus.]( "St. John's Northwestern Academy Photo - Our students walking through campus.")
Special Program Emphasis (Episcopal)
1101 Genesee Street
Delafield, WI 53018
(262) 646-7199
Delafield, WI 53018
(262) 646-7199
Gr: 7-12 | 221 students Avg. class size: 12 students Sports: 11 | Extracurrculars: 11 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
6401 N Santa Monica Blvd
Milwaukee, WI 53217
(414) 964-1499
Milwaukee, WI 53217
(414) 964-1499
Gr: PK-8 Avg. class size: 15 students Sports: 7 | Extracurrculars: 7 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
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