The average private high school in Wisconsin has 244 students (2026).
The largest private high school in Wisconsin is Green Bay Area Catholic Edu. Inc Grace, with 2,337 students.
School Size Range: 459
2,337
Avg. School Size: 853
Largest Wisconsin ²ÝÁñÉçÇø High Schools (2026)
School
# Students
Grades
Location
Rank: #11.
Green Bay Area Catholic Edu. Inc Grace
(Catholic)
Students: 2,337
Grades: PK-9
1087 Kellogg St
Green Bay, WI 54303
(920) 499-7330
Green Bay, WI 54303
(920) 499-7330
Rank: #22.
Green Bay Area Catholic Education, Inc.
(Catholic)
Students: 2,335
Grades: PK-9
1822 Riverside Dr
Green Bay, WI 54301
(920) 499-7330
Green Bay, WI 54301
(920) 499-7330
Rank: #33.
St. Augustine Preparatory Academy South
(Christian)
Students: 1,436
Grades: PK-12
2607 S. 5th Street
Milwaukee, WI 53207
(414) 810-1380
Milwaukee, WI 53207
(414) 810-1380
Rank: #44.
St. Anthony School
(Catholic)
Students: 1,307
Grades: PK-12
1727 S 9th St
Milwaukee, WI 53204
(414) 384-6612
Milwaukee, WI 53204
(414) 384-6612
Rank: #55.
Milwaukee Lutheran Middle & High School ![Milwaukee Lutheran Middle & High School Photo - Student Life]( "Milwaukee Lutheran Middle & High School Photo - Student Life")
(Lutheran Church Missouri Synod)
Students: 1,160
Grades: 6-12
9700 W Grantosa Drive
Milwaukee, WI 53222
(414) 461-6000
Milwaukee, WI 53222
(414) 461-6000
Rank: #66.
Students: 1,135
Grades: PK-12
2100 W Fairy Chasm Rd
Milwaukee, WI 53217
(414) 352-6000
Milwaukee, WI 53217
(414) 352-6000
Rank: #77.
Aquinas Catholic Schools
(Catholic)
Students: 1,030
Grades: PK-12
315 S 11th St
La Crosse, WI 54601
(608) 784-8585
La Crosse, WI 54601
(608) 784-8585
Rank: #88.
Marquette University High School
All-boys (Catholic)
Students: 928
Grades: 9-12
3401 W Wisconsin Ave
Milwaukee, WI 53208
(414) 933-7220
Milwaukee, WI 53208
(414) 933-7220
Rank: #99.
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 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
Milwaukee, WI 53213
(414) 453-4567
Rank: #1010.
Students: 888
Grades: PK-12
3462 N Brookfield Rd
Brookfield, WI 53045
(262) 783-3200
Brookfield, WI 53045
(262) 783-3200
Rank: #1111.
Students: 883
Grades: NS-9
1441 N 24th St
Milwaukee, WI 53205
(414) 937-8400
Milwaukee, WI 53205
(414) 937-8400
Rank: #1212.
Pius Xi Catholic High School
(Catholic)
Students: 850
Grades: 9-12
135 N 76th St
Milwaukee, WI 53213
(414) 290-7000
Milwaukee, WI 53213
(414) 290-7000
Rank: #1313.
Regis Catholic Schools
(Catholic)
Students: 831
Grades: PK-12
2728 Mall Dr Ste 200
Eau Claire, WI 54701
(715) 830-2273
Eau Claire, WI 54701
(715) 830-2273
Rank: #1414.
Students: 830
Grades: 9-12
5300 N Meade St
Appleton, WI 54913
(920) 739-4441
Appleton, WI 54913
(920) 739-4441
Rank: #1515.
Salam School
(Islamic)
Students: 804
Grades: PK-12
4707 S 13th St
Milwaukee, WI 53221
(414) 282-0504
Milwaukee, WI 53221
(414) 282-0504
Rank: #1616.
Notre Dame De La Baie Academy
(Catholic)
Students: 755
Grades: 9-12
610 Maryhill Dr
Green Bay, WI 54303
(920) 429-6101
Green Bay, WI 54303
(920) 429-6101
Rank: #1717.
St. Marys Springs Academy
(Catholic)
Students: 744
Grades: PK-12
114 Amory St
Fond Du Lac, WI 54935
(920) 924-0993
Fond Du Lac, WI 54935
(920) 924-0993
Rank: #1818.
Students: 727
Grades: PK-12
633 S 12th Street
Milwaukee, WI 53204
(414) 369-2193
Milwaukee, WI 53204
(414) 369-2193
Rank: #1919.
Students: 708
Grades: PK-12
10700 75th St
Kenosha, WI 53142
(262) 694-3900
Kenosha, WI 53142
(262) 694-3900
Rank: #2020.
Lourdes Academy ![Lourdes Academy Photo]( "Lourdes Academy Photo")
(Catholic)
Students: 695
Grades: PK-12
110 North Sawyer Street
Oshkosh, WI 54902
(920) 426-6421
Oshkosh, WI 54902
(920) 426-6421
Rank: #2121.
Students: 680
Grades: 9-12
4257 N 100th St
Milwaukee, WI 53222
(414) 462-3742
Milwaukee, WI 53222
(414) 462-3742
Rank: #2222.
Students: 673
Grades: 9-12
5201 S 76th St
Greendale, WI 53129
(414) 421-4000
Greendale, WI 53129
(414) 421-4000
Rank: #2323.
Students: 638
Grades: PK-12
4050 Lighthouse Drive
Racine, WI 53402
(262) 752-2500
Racine, WI 53402
(262) 752-2500
Rank: #2424.
Students: 622
Grades: PK-12
3500 S Glen Park Rd
New Berlin, WI 53151
(262) 432-0333
New Berlin, WI 53151
(262) 432-0333
Rank: #2525.
Students: 610
Grades: 9-12
2219 Monroe St
Madison, WI 53711
(608) 257-1023
Madison, WI 53711
(608) 257-1023
Rank: #2626.
Students: 596
Grades: PK-12
929 Greenfield Avenue
Sheboygan, WI 53081
(920) 458-9981
Sheboygan, WI 53081
(920) 458-9981
Rank: #2727.
Catholic Memorial High School
(Catholic)
Students: 589
Grades: 9-12
601 E College Ave
Waukesha, WI 53186
(262) 542-7101
Waukesha, WI 53186
(262) 542-7101
Rank: #2828.
St. Thomas More High School ![St. Thomas More High School Photo]( "St. Thomas More High School Photo")
(Catholic)
Students: 566
Grades: 9-12
2601 E Morgan Ave
Milwaukee, WI 53207
(414) 481-8370
Milwaukee, WI 53207
(414) 481-8370
Rank: #2929.
St. Anthomy High School
(Catholic)
Students: 544
Grades: 9-12
4807 S 2nd St
Milwaukee, WI 53207
(414) 763-6352
Milwaukee, WI 53207
(414) 763-6352
Rank: #3030.
Students: 534
Grades: 9-12
3399 Division Road
Jackson, WI 53037
(262) 677-4051
Jackson, WI 53037
(262) 677-4051
Rank: #3131.
Pacelli Catholic High School
(Catholic)
Students: 527
Grades: PK-12
1301 Maria Dr
Stevens Point, WI 54481
(715) 341-2445
Stevens Point, WI 54481
(715) 341-2445
Rank: #3232.
Messmer High School
(Catholic)
Students: 525
Grades: 9-12
742 W Capitol Drive
Milwaukee, WI 53206
(414) 264-5440
Milwaukee, WI 53206
(414) 264-5440
Rank: #3333.
Valley Christian School ![Valley Christian School Photo - Our drama class is for credit.]( "Valley Christian School Photo - Our drama class is for credit.")
(Christian)
Students: 495
Grades: PK-12
3450 Vinland Rd.
Oshkosh, WI 54901
(920) 292-1274
Oshkosh, WI 54901
(920) 292-1274
Rank: #3434.
Students: 479
Grades: 9-12
1600 W. Prospect Avenue
Appleton, WI 54914
(920) 733-6632
Appleton, WI 54914
(920) 733-6632
Rank: #3535.
Lakeside Lutheran High School ![Lakeside Lutheran High School Photo - Lakeside students have a fantastic selection of musical opportunities. Vocalists enjoy 3 choirs & Swing Choir. Instrumentalists can participate in Marching Band, Concert Band, Jazz & Percussion Ensembles, Pep Band and solo/ensemble groups for WSMA competitions. Summer Band offers opportunities for color guards as well, with travel during the summer months.]( "Lakeside Lutheran High School Photo - Lakeside students have a fantastic selection of musical opportunities. Vocalists enjoy 3 choirs & Swing Choir. Instrumentalists can participate in Marching Band, Concert Band, Jazz & Percussion Ensembles, Pep Band and solo/ensemble groups for WSMA competitions. Summer Band offers opportunities for color guards as well, with travel during the summer months.")
(Wisconsin Evangelical Lutheran Synod)
Students: 459
Grades: 9-12
231 Woodland Beach Rd
Lake Mills, WI 53551
(920) 648-2321
Lake Mills, WI 53551
(920) 648-2321
Show 100 more private schools in WI (out of 215 total schools)
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Frequently Asked Questions
What is the Wisconsin average private high schools student size?
The Wisconsin average private high schools student size is 244 for 2026.
What are the private high schools with the largest student size in Wisconsin?
The top-ranked private high schools in Wisconsin include Green Bay Area Catholic Edu. Inc Grace, Green Bay Area Catholic Education, Inc. and St. Augustine Preparatory Academy South.
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