University School of Milwaukee Photo - The iconic tower on the USM campus.

Largest Wisconsin Private Schools

The average private school in Wisconsin has 161 students (2024-25).
The largest private school in Wisconsin is Green Bay Area Catholic Edu. Inc Grace with 2,337 students.
School Size Range: 544 2,337 Avg. School Size: 938

Largest Wisconsin Private Schools (2024-25)

School
# Students
Grades
Location
Rank: #11.
Students: 2,337
Grades: PK-9
1087 Kellogg St
Green Bay, WI 54303
(920) 499-7330
Rank: #22.
Students: 2,335
Grades: PK-9
1822 Riverside Dr
Green Bay, WI 54301
(920) 499-7330
Rank: #33.
Seton Catholic Schools
(Catholic)
Students: 2,033
Grades: PK-8
341 E Norwich St
Milwaukee, WI 53207
(414) 831-8400
Rank: #44.
St. Augustine Preparatory Academy
(Christian)
Students: 1,436
Grades: PK-12
2607 S. 5th Street
Milwaukee, WI 53207
(414) 810-1611
Rank: #55.
St. Anthony School
(Catholic)
Students: 1,307
Grades: PK-12
1727 S 9th St
Milwaukee, WI 53204
(414) 384-6612
Rank: #66.
Students: 1,142
Grades: PK-12
2100 W Fairy Chasm Rd
Milwaukee, WI 53217
(414) 352-6000
Rank: #77.
Messmer Catholic Schools
(Catholic)
Students: 1,112
Grades: PK-12
742 W Capitol Drive
Milwaukee, WI 53206
(414) 264-5440
Rank: #88.
Aquinas Catholic Schools
(Catholic)
Students: 1,030
Grades: PK-12
315 S 11th St
La Crosse, WI 54601
(608) 784-8585
Rank: #99.
Aldo Leopold Nature Preschool
Alternative School
Students: 1,000
Grades: NS
330 Femrite Dr
Madison, WI 53716
(608) 221-0404
Rank: #1010.
St. Marcus Lutheran School
(Wisconsin Evangelical Lutheran Synod)
Students: 937
Grades: PK-8
2215 N Palmer St
Milwaukee, WI 53212
(414) 267-8381
Rank: #1111.
Marquette University High School
All-boys (Catholic)
Students: 928
Grades: 9-12
3401 W Wisconsin Ave
Milwaukee, WI 53208
(414) 933-7220
Rank: #1212.
Wisconsin Lutheran High School
Wisconsin Lutheran High School Photo - Wisconsin Lutheran High School's graduates are accepted to the nation's most prestigious schools, including Harvard College, Vanderbilt University, University of Pennsylvania, University of Virginia, University of Michigan, New York University, Boston College, Villanova University, University of Miami, Purdue University, Rutgers University, University of Wisconsin-Madison and the University of Chicago
(Wisconsin Evangelical Lutheran Synod)
Students: 925
Grades: 9-12
330 N Glenview Ave
Milwaukee, WI 53213
(414) 453-4567
Rank: #1313.
Brookfield Academy
Brookfield Academy Photo - K4 to Graduation Day!
(2)
Students: 894
Grades: PK-12
3462 N Brookfield Rd
Brookfield, WI 53045
(262) 783-3200
Rank: #1414.
Urban Day School
Students: 883
Grades: NS-9
1441 N 24th St
Milwaukee, WI 53205
(414) 937-8400
Rank: #1515.
Pius Xi Catholic High School
(Catholic)
Students: 850
Grades: 9-12
135 N 76th St
Milwaukee, WI 53213
(414) 290-7000
Rank: #1616.
Atlas Preparatory Academy
(2)
Students: 847
Grades: PK-12
2911 S 32nd St
Milwaukee, WI 53215
(414) 385-0771
Rank: #1717.
Regis Catholic Schools
(Catholic)
Students: 831
Grades: PK-12
2728 Mall Dr Ste 200
Eau Claire, WI 54701
(715) 830-2273
Rank: #1818.
Milwaukee Lutheran High School
Milwaukee Lutheran High School Photo
(Lutheran Church Missouri Synod)
Students: 825
Grades: 9-12
9700 W Grantosa Drive
Milwaukee, WI 53222
(414) 461-6000
Rank: #1919.
Salam School
(Islamic)
Students: 804
Grades: PK-12
4707 S 13th St
Milwaukee, WI 53221
(414) 282-0504
Rank: #2020.
Fox Valley Lutheran High School
(Wisconsin Evangelical Lutheran Synod)
(1)
Students: 764
Grades: 9-12
5300 N Meade St
Appleton, WI 54913
(920) 739-4441
Rank: #2121.
Notre Dame De La Baie Academy
(Catholic)
Students: 755
Grades: 9-12
610 Maryhill Dr
Green Bay, WI 54303
(920) 429-6101
Rank: #2222.
St. Marys Springs Academy
(Catholic)
Students: 744
Grades: PK-12
114 Amory St
Fond Du Lac, WI 54935
(920) 924-0993
Rank: #2323.
Academy Of Excellence
(Christian)
(1)
Students: 727
Grades: PK-12
633 S 12th Street
Milwaukee, WI 53204
(414) 369-2193
Rank: #2424.
Christian Life School
Christian Life School Photo - The Christian Life School World Language Club is one of over 15 afterschool clubs for our Upper School students. These clubs offer an opportunity for CLS students to connect outside of school.
(Assembly of God)
(10)
Students: 708
Grades: PK-12
10700 75th St
Kenosha, WI 53142
(262) 694-3900
Rank: #2525.
Lourdes Academy
Lourdes Academy Photo
(Catholic)
Students: 695
Grades: PK-12
110 North Sawyer Street
Oshkosh, WI 54902
(920) 426-6421
Rank: #2626.
Divine Savior Holy Angels High School
All-girls (Catholic)
(1)
Students: 680
Grades: 9-12
4257 N 100th St
Milwaukee, WI 53222
(414) 462-3742
Rank: #2727.
Martin Luther High School
Martin Luther High School Photo
(Lutheran Church Missouri Synod)
(1)
Students: 653
Grades: 9-12
5201 S 76th St
Greendale, WI 53129
(414) 421-4000
Rank: #2828.
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)
Students: 638
Grades: PK-12
4050 Lighthouse Drive
Racine, WI 53402
(262) 752-2500
Rank: #2929.
Students: 622
Grades: PK-12
3500 S Glen Park Rd
New Berlin, WI 53151
(262) 432-0333
Rank: #3030.
Catholic Memorial High School
(Catholic)
Students: 589
Grades: 9-12
601 E College Ave
Waukesha, WI 53186
(262) 542-7101
Rank: #3131.
Hope Christian School - Prima
(Christian)
Students: 586
Grades: PK-8
2345 N 25th St
Milwaukee, WI 53206
(414) 931-0350
Rank: #3232.
St. Thomas More High School
St. Thomas More High School Photo
(Catholic)
Students: 566
Grades: 9-12
2601 E Morgan Ave
Milwaukee, WI 53207
(414) 481-8370
Rank: #3333.
Sheboygan Christian School
Sheboygan Christian School Photo - Sheboygan Christian School- Sheboygan County's only P-12 Christian School
(Christian)
(9)
Students: 547
Grades: PK-12
929 Greenfield Avenue
Sheboygan, WI 53081
(920) 458-9981
Rank: #3434.
Hales Corners Lutheran School
Hales Corners Lutheran School Photo - Hales Corners Lutheran School has classes in PS2 - 8th Grade. We have an extended care program for 2yr - 4 yr olds. Our instructional classes start in 3K-8th grade. The Middle School offers a wide array of classes for 6th - 8th graders. Extra curricular activities, class electives and sports are just a few areas to experience.
(Lutheran Church Missouri Synod)
Students: 546
Grades: PK-8
12300 W Janesville Road
Hales Corners, WI 53130
(414) 529-6700
Rank: #3535.
St. Anthomy High School
(Catholic)
Students: 544
Grades: 9-12
4807 S 2nd St
Milwaukee, WI 53207
(414) 763-6352
Show 100 more private schools in WI (out of 934 total schools)
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Frequently Asked Questions

What is the Wisconsin average private schools student size?
The Wisconsin average private schools student size is 161 for 2024-25.
What are the private schools with the largest student size in Wisconsin?
What is private high school and private elementary school with the largest student size in Wisconsin?
The private high school with the largest student size in Wisconsin is Green Bay Area Catholic Edu. Inc Grace, with a value of 2337. The private elementary school with the largest student size is Green Bay Area Catholic Edu. Inc Grace, with a value of 2337.

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