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Oldest Private High Schools in Wisconsin

The average private high school in Wisconsin was founded around 1966 (2025).
The oldest private high school in Wisconsin is Sainta, founded in 1850.
Year Founded Range: 1850 1951 Avg. Year Founded: 1902

Oldest Private High Schools in Wisconsin (2025)

School
Founding Date
Grades
Location
Rank: #11.
Sainta
All-boys | Special Education School
Founding Date: 1850
Grades: 2-11
8901 W Capitol Dr
Milwaukee, WI 53222
(414) 463-1880
Rank: #22.
Wayland Academy
Wayland Academy Photo
Founding Date: 1855
Grades: 9-12
101 N University Avenue
Beaver Dam, WI 53916
(920) 885-3373
Rank: #33.
Marquette University High School
All-boys (Catholic)
Founding Date: 1857
Grades: 9-12
3401 W Wisconsin Ave
Milwaukee, WI 53208
(414) 933-7220
Rank: #44.
St. Lawrence Seminary High School
St. Lawrence Seminary High School Photo
All-boys (Catholic)
Founding Date: 1860
Grades: 9-12
301 Church Street
Mount Calvary, WI 53057
(920) 753-7570
Rank: #5 - 65. - 6.
Luther Prep
Luther Prep Photo - LPS Bell Tower
(Wisconsin Evangelical Lutheran Synod)
Founding Date: 1865
Grades: 9-12
1300 Western Ave
Watertown, WI 53094
(920) 261-4352
Rank: #5 - 65. - 6.
St. Catherines High School
(Catholic)
(2)
Founding Date: 1865
Grades: 9-12
1200 Park Ave
Racine, WI 53403
(262) 632-2785
Rank: #77.
St. Thomas More High School
St. Thomas More High School Photo
(Catholic)
Founding Date: 1870
Grades: 9-12
2601 E Morgan Ave
Milwaukee, WI 53207
(414) 481-8370
Rank: #8 - 98. - 9.
Green Bay Adventist Junior Academy
(Seventh Day Adventist)
Founding Date: 1876
Grades: K-10
1422 Shawano Ave
Green Bay, WI 54303
(920) 494-2741
Rank: #8 - 98. - 9.
St. Thomas Aquinas Academy
(Catholic)
Founding Date: 1876
Grades: PK-12
1200 Main St
Marinette, WI 54143
(715) 735-7481
Rank: #10 - 1110. - 11.
Founding Date: 1881
Grades: 9-12
2219 Monroe St
Madison, WI 53711
(608) 257-1023
Rank: #10 - 1110. - 11.
Family And Children Centers Alternative Education
Special Education School
Founding Date: 1881
Grades: K-12
1707 Main St
La Crosse, WI 54601
(608) 785-0001
Rank: #1212.
Founding Date: 1883
Grades: 9-12
1316 Bel Air Blvd
Chippewa Falls, WI 54729
(715) 723-0538
Rank: #1313.
St. John's Northwestern Academies
St. John's Northwestern Academies Photo
Special Program Emphasis (Episcopal)
Founding Date: 1884
Grades: 6-12
1101 Genesee Street
Delafield, WI 53018
(262) 646-7199
Rank: #1414.
Divine Savior Holy Angels High School
All-girls (Catholic)
(2)
Founding Date: 1892
Grades: 9-12
4257 N 100th St
Milwaukee, WI 53222
(414) 462-3742
Rank: #15 - 1615. - 16.
Sheboygan Christian School
Sheboygan Christian School Photo - Sheboygan Christian School- Sheboygan County's only P-12 Christian School
(Christian)
(9)
Founding Date: 1898
Grades: PK-12
929 Greenfield Avenue
Sheboygan, WI 53081
(920) 458-9981
Rank: #15 - 1615. - 16.
Sheboygan Christian School
(Calvinist)
Founding Date: 1898
Grades: PK-12
929 Greenfield Ave
Sheboygan, WI 53081
(920) 458-9981
Rank: #17 - 1817. - 18.
Milwaukee Lutheran High School
Milwaukee Lutheran High School Photo
(Lutheran Church Missouri Synod)
Founding Date: 1903
Grades: 9-12
9700 W Grantosa Drive
Milwaukee, WI 53222
(414) 461-6000
Rank: #17 - 1817. - 18.
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)
Founding Date: 1903
Grades: 9-12
330 N Glenview Ave
Milwaukee, WI 53213
(414) 453-4567
Rank: #19 - 2119. - 21.
Founding Date: 1905
Grades: 6-12
710 S Columbus Ave
Marshfield, WI 54449
(715) 387-1177
Rank: #19 - 2119. - 21.
Growing Lights Christian Academy
(Christian)
Founding Date: 1905
Grades: K-12
Po Box 68
Barron, WI 54812
(715) 637-3655
Rank: #19 - 2119. - 21.
New Frontier Day School
Special Education School
Founding Date: 1905
Grades: 1-12
625 S Dousman St
Prairie Du Chien, WI 53821
(608) 326-6481
Rank: #2222.
Baldwin Christian School
Baldwin Christian School Photo
Special Program Emphasis (Christian)
(1)
Founding Date: 1907
Grades: PK-12
2095 90th Ave
Baldwin, WI 54002
(715) 684-2656
Rank: #2323.
St. Marys Springs Academy
(Catholic)
Founding Date: 1909
Grades: PK-12
114 Amory St
Fond Du Lac, WI 54935
(920) 924-0993
Rank: #24 - 2524. - 25.
Catholic Central High School
Catholic Central High School Photo - Catholic Central's Main High School Campus from the street. Located in Burlington, Wisconsin, CCHS offers a fine selection of college prep classes to help prepare students for the next step in their education.
(Catholic)
(3)
Founding Date: 1920
Grades: 9-12
148 Mchenry St
Burlington, WI 53105
(262) 763-1510
Rank: #24 - 2524. - 25.
St. Charles Inc
Special Education School
Founding Date: 1920
Grades: 6-11
151 S. 84th St. (no Longer Uses A P.o. Box)
Milwaukee, WI 53214
(414) 476-3710
Rank: #2626.
Winnebago Lutheran Academy
Winnebago Lutheran Academy Photo
(Wisconsin Evangelical Lutheran Synod)
Founding Date: 1925
Grades: 9-12
475 E Merrill Ave
Fond Du Lac, WI 54935
(920) 921-4930
Rank: #2727.
Messmer Catholic Schools
(Catholic)
Founding Date: 1926
Grades: PK-12
742 W Capitol Drive
Milwaukee, WI 53206
(414) 264-5440
Rank: #2828.
St. Mary Catholic High School
(Catholic)
Founding Date: 1927
Grades: 9-12
1050 Zephyr Drive
Neenah, WI 54956
(920) 722-7796
Rank: #2929.
Pius Xi Catholic High School
(Catholic)
Founding Date: 1929
Grades: 9-12
135 N 76th St
Milwaukee, WI 53213
(414) 290-7000
Rank: #3030.
Wells Street Academy
Special Education School
Founding Date: 1938
Grades: PK-12
2020 W Wells St
Milwaukee, WI 53233
(414) 937-2020
Rank: #3131.
Racine Lutheran High School
Racine Lutheran High School Photo - Racine Lutheran High School Faith-Character-Leadership-Learning
(Lutheran Church Missouri Synod)
Founding Date: 1944
Grades: 9-12
251 Luedtke Ave
Racine, WI 53405
(262) 637-6538
Rank: #3232.
Founding Date: 1948
Grades: PK-12
301 Fox Lake Rd
Waupun, WI 53963
(920) 324-4233
Rank: #33 - 3433. - 34.
Catholic Memorial High School
(Catholic)
Founding Date: 1949
Grades: 9-12
601 E College Ave
Waukesha, WI 53186
(262) 542-7101
Rank: #33 - 3433. - 34.
Wisconsin Academy
Wisconsin Academy Photo - First Day of School Faculty/Student Handshake.
(Seventh Day Adventist)
(2)
Founding Date: 1949
Grades: 9-12
N2355 Du Borg Rd
Columbus, WI 53925
(920) 623-3300
Rank: #35 - 3835. - 38.
Assumption Catholic Schools
(Catholic)
Founding Date: 1951
Grades: PK-12
440 Mead St
Wisconsin Rapids, WI 54494
(715) 422-0902
Show 100 more private schools in WI (out of 156 total schools)
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Frequently Asked Questions

What is the Wisconsin average private high schools founding year?
The Wisconsin average private high schools founding year is 1966 for 2025.
What are the private high schools with oldest founding year in Wisconsin?
The top ranked private high schools in Wisconsin include Sainta, Wayland Academy and Marquette University High School.

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