For the 2026 school year, there are 9 private high schools belonging to Independent Schools Association of the Central States (ISACS) serving 3,930 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, Madison Country Day School, and University School of Milwaukee.
The average acceptance rate is 62%, which is lower than the Wisconsin private high school average acceptance rate of 84%.
Top-Ranked Private High 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
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
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 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.]( "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
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