Oldest Private High Schools in Illinois

The average private high school in Illinois was founded around 1967 (2021-22).
The oldest private high school in Illinois is Keith Country Day School, founded in 1816.

Oldest Private High Schools in Illinois (2021-22)

School
Founding Date
Grades
Location
Rank: #11.
Keith Country Day School
Special Program Emphasis
Founding Date: 1816
Grades: PK-12
1 Jacoby Pl
Rockford, IL 61107
(815) 399-8823
Rank: #22.
Elgin Academy
Elgin Academy Photo - "Old Main" building of Elgin Academy Old Main is the academy's original building. Today, it is primarily used as the museum for the Elgin Area Historical Society. One room still serves as a regular school classroom for the school.
(9)
Founding Date: 1839
Grades: NS-12
350 Park St
Elgin, IL 60120
(847) 695-0303
Rank: #33.
Mother Mcauley Liberal Arts High School
Mother Mcauley Liberal Arts High School Photo
All-girls (Roman Catholic)
Founding Date: 1846
Grades: 9-12
3737 W 99th Street
Chicago, IL 60655
(773) 881-6500
Rank: #44.
Wheaton Academy
Wheaton Academy Photo
Alternative School (Christian)
Founding Date: 1853
Grades: 9-12
900 Prince Crossing Rd
West Chicago, IL 60185
(630) 562-7500
Rank: #55.
St. Scholastica Academy
All-girls (Roman Catholic)
Founding Date: 1865
Grades: 9-12
7416 N Ridge Blvd
Chicago, IL 60640
(773) 764-5715
Rank: #66.
School of the Art Institute of Chicago
School of the Art Institute of Chicago Photo
Vocational/Technical School
Founding Date: 1866
Grades: NS-12
36 S. Wabash Ave.
Chicago, IL 60603
(800) 232-7242
Rank: #77.
Morgan Park Academy
Morgan Park Academy Photo
Founding Date: 1873
Grades: PK-12
2153 W 111th St
Chicago, IL 60643
(773) 881-6700
Rank: #88.
The Latin School Of Chicago
(2)
Founding Date: 1888
Grades: PK-12
59 W North Blvd
Chicago, IL 60610
(312) 582-6000
Rank: #99.
De La Salle Institute - Institute Campus
De La Salle Institute - Institute Campus Photo - De La Salle Institute
(Roman Catholic)
Founding Date: 1889
Grades: 9-12
3434 S Michigan Ave
Chicago, IL 60616
(312) 842-7355
Rank: #10 - 1110. - 11.
Josephinum Academy Of The Sacred Heart
Josephinum Academy Of The Sacred Heart Photo - Library
All-girls (Roman Catholic)
Founding Date: 1890
Grades: 9-12
1501 North Oakley Boulevard
Chicago, IL 60622
(773) 276-1261
Rank: #10 - 1110. - 11.
St. Bede Academy
St. Bede Academy Photo
(Roman Catholic)
Founding Date: 1890
Grades: 9-12
24 W Us Highway 6
Peru, IL 61354
(815) 223-3140
Rank: #1212.
Sacred Heart Griffin High School
Sacred Heart Griffin High School Photo
(Roman Catholic)
Founding Date: 1895
Grades: 9-12
1200 W Washington Street
Springfield, IL 62702
(217) 787-1595
Rank: #1313.
Founding Date: 1896
Grades: PK-12
1362 E 59th Street
Chicago, IL 60637
(773) 834-1638
Rank: #1414.
American School
American School Photo
Founding Date: 1897
Grades: 6-12
2200 E 170th St
Lansing, IL 60438
(708) 418-2800
Rank: #1515.
Nazareth Academy
(Roman Catholic)
Founding Date: 1900
Grades: 9-12
1209 West Ogden Avenue
La Grange Park, IL 60526
(708) 354-0061
Rank: #1616.
Routt Catholic High School
(Roman Catholic)
Founding Date: 1902
Grades: 9-12
500 E College Ave
Jacksonville, IL 62650
(217) 243-8563
Rank: #1717.
Loyola Academy
(Roman Catholic)
(1)
Founding Date: 1909
Grades: 9-12
1100 Laramie Ave
Wilmette, IL 60091
(847) 256-1100
Rank: #1818.
Holy Trinity High School
Holy Trinity High School Photo
(Roman Catholic)
(13)
Founding Date: 1910
Grades: 9-12
1443 W Division Street
Chicago, IL 60642
(773) 278-4212
Rank: #19 - 2019. - 20.
Maria High School
Maria High School Photo
All-girls (Roman Catholic)
Founding Date: 1911
Grades: 9-12
6727 S California Ave
Chicago, IL 60629
(773) 925-8686
Rank: #19 - 2019. - 20.
Timothy Christian High School
Timothy Christian High School Photo
(Christian)
Founding Date: 1911
Grades: PK-12
1061 S Prospect Ave
Elmhurst, IL 60126
(630) 833-4616
Rank: #2121.
Sonia Shankman Orthogenic School
Special Education School
Founding Date: 1912
Grades: 4-12
6245 S. Ingleside Avenue
Chicago, IL 60637
(773) 420-2900
Rank: #22 - 2322. - 23.
Hinsdale Adventist Academy
Hinsdale Adventist Academy Photo
(Seventh Day Adventist)
(1)
Founding Date: 1914
Grades: PK-12
631 E Hickory St
Hinsdale, IL 60521
(630) 323-9211
Rank: #22 - 2322. - 23.
Kemmerer Village School
Special Education School (African Methodist Episcopal)
Founding Date: 1914
Grades: 7-12
941 N 2500 East Rd
Assumption, IL 62510
(217) 226-2139
Rank: #24 - 2524. - 25.
Newman Central Catholic High School
(Roman Catholic)
(1)
Founding Date: 1915
Grades: 9-12
1101 W 23rd St
Sterling, IL 61081
(815) 625-0500
Rank: #24 - 2524. - 25.
Roycemore School
Roycemore School Photo
(11)
Founding Date: 1915
Grades: PK-12
1200 Davis Street
Evanston, IL 60201
(847) 866-6055
Rank: #2626.
Providence Catholic High School
Providence Catholic High School Photo
(Roman Catholic)
(3)
Founding Date: 1918
Grades: 9-12
1800 W Lincoln Hwy
New Lenox, IL 60451
(815) 485-2136
Rank: #2727.
Founding Date: 1919
Grades: PK-12
310 Green Bay Rd
Winnetka, IL 60093
(847) 446-0674
Rank: #2828.
Resurrection College Prep High School
Resurrection College Prep High School Photo
All-girls (Roman Catholic)
Founding Date: 1922
Grades: 9-12
7500 W Talcott Ave
Chicago, IL 60631
(773) 775-6616
Rank: #2929.
Alpine Christian School
(Seventh Day Adventist)
Founding Date: 1923
Grades: K-9
325 North Alpine Road
Rockford, IL 61107
(815) 399-0880
Rank: #3030.
Marquette Catholic High School
(Roman Catholic)
(1)
Founding Date: 1927
Grades: 9-12
219 E 4th St
Alton, IL 62002
(618) 463-0580
Rank: #3131.
Fenwick High School
(Roman Catholic)
Founding Date: 1929
Grades: 9-12
505 Washington Blvd
Oak Park, IL 60302
(708) 386-0127
Rank: #3232.
Illiana Christian High School
(Calvinist)
Founding Date: 1945
Grades: 9-12
2261 Indiana Ave
Lansing, IL 60438
(708) 474-0515
Rank: #33 - 3433. - 34.
Arthur Christian School
(Christian)
Founding Date: 1947
Grades: PK-12
1637 State Hwy 133
Arthur, IL 61911
(217) 543-2397
Rank: #33 - 3433. - 34.
Cove School
Special Education School
Founding Date: 1947
Grades: K-12
350 Lee Road
Northbrook, IL 60062
(847) 562-2100
Rank: #3535.
Peoria Christian School
Peoria Christian School Photo - Distinctively Christian. Decidedly Academic.
(Christian)
(1)
Founding Date: 1950
Grades: NS-12
3506 N California Avenue
Peoria, IL 61603
(309) 686-4500
Show 100 more private schools in IL (out of 157 total schools)
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