The average private high school in Illinois was founded around 1967 (2024-25).
The oldest private high school in Illinois is Elgin Academy, founded in 1839.
Year Founded Range: 1839
1947
Avg. Year Founded: 1899
Oldest Private High Schools in Illinois (2024-25)
School
Founding Date
Grades
Location
Rank: #22.
Mother Mcauley Liberal Arts High School![Mother Mcauley Liberal Arts High School Photo]( "Mother Mcauley Liberal Arts High School Photo")
All-girls (Catholic)
Founding Date: 1846
Grades: 9-12
3737 W 99th Street
Chicago, IL 60655
(773) 881-6507
Chicago, IL 60655
(773) 881-6507
Rank: #33.
Wheaton Academy![Wheaton Academy Photo]( "Wheaton Academy Photo")
(Christian)
Founding Date: 1853
Grades: 9-12
900 Prince Crossing Rd
West Chicago, IL 60185
(630) 562-7500
West Chicago, IL 60185
(630) 562-7500
Rank: #44.
Founding Date: 1857
Grades: 9-12
1500 W Kennedy Rd
Lake Forest, IL 60045
(847) 615-3257
Lake Forest, IL 60045
(847) 615-3257
Rank: #55.
Founding Date: 1862
Grades: PK-9
1720 College Avenue
Quincy, IL 62301
(217) 222-4077
Quincy, IL 62301
(217) 222-4077
Rank: #66.
St. Scholastica Academy
All-girls (Catholic)
Founding Date: 1865
Grades: 9-12
7416 N Ridge Blvd
Chicago, IL 60640
(773) 764-5715
Chicago, IL 60640
(773) 764-5715
Rank: #77.
School of the Art Institute of Chicago![School of the Art Institute of Chicago Photo]( "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
Chicago, IL 60603
(800) 232-7242
Rank: #88.
Founding Date: 1873
Grades: PK-12
2153 W 111th St
Chicago, IL 60643
(773) 881-6700
Chicago, IL 60643
(773) 881-6700
Rank: #99.
Founding Date: 1888
Grades: PK-12
59 W North Blvd
Chicago, IL 60610
(312) 582-6014
Chicago, IL 60610
(312) 582-6014
Rank: #1010.
De La Salle Institute - Institute Campus![De La Salle Institute - Institute Campus Photo - De La Salle Institute]( "De La Salle Institute - Institute Campus Photo - De La Salle Institute")
(Catholic)
Founding Date: 1889
Grades: 9-12
3434 S Michigan Ave
Chicago, IL 60616
(312) 842-7355
Chicago, IL 60616
(312) 842-7355
Rank: #11 - 1211. - 12.
Josephinum Academy Of The Sacred Heart![Josephinum Academy Of The Sacred Heart Photo - Library]( "Josephinum Academy Of The Sacred Heart Photo - Library")
All-girls (Catholic)
Founding Date: 1890
Grades: 9-12
1501 North Oakley Boulevard
Chicago, IL 60622
(773) 276-1261
Chicago, IL 60622
(773) 276-1261
Rank: #11 - 1211. - 12.
St. Bede Academy![St. Bede Academy Photo]( "St. Bede Academy Photo")
(Catholic)
Founding Date: 1890
Grades: 9-12
24 W Us Highway 6
Peru, IL 61354
(815) 223-3140
Peru, IL 61354
(815) 223-3140
Rank: #1313.
Sacred Heart Griffin High School![Sacred Heart Griffin High School Photo]( "Sacred Heart Griffin High School Photo")
(Catholic)
Founding Date: 1895
Grades: 9-12
1200 W Washington Street
Springfield, IL 62702
(217) 787-1595
Springfield, IL 62702
(217) 787-1595
Rank: #1414.
Founding Date: 1896
Grades: PK-12
1362 E 59th Street
Chicago, IL 60637
(773) 702-9450
Chicago, IL 60637
(773) 702-9450
Rank: #1515.
American School![American School Photo]( "American School Photo")
Alternative School
Founding Date: 1897
Grades: 6-12
2200 E 170th St
Lansing, IL 60438
(708) 418-2800
Lansing, IL 60438
(708) 418-2800
Rank: #16 - 1716. - 17.
Founding Date: 1900
Grades: 9-12
6410 S. Dante Ave
Chicago, IL 60637
(773) 324-1020
Chicago, IL 60637
(773) 324-1020
Rank: #16 - 1716. - 17.
Nazareth Academy
(Catholic)
Founding Date: 1900
Grades: 9-12
1209 West Ogden Avenue
La Grange Park, IL 60526
(708) 354-0061
La Grange Park, IL 60526
(708) 354-0061
Rank: #1818.
Routt Catholic High School
(Catholic)
Founding Date: 1902
Grades: 9-12
500 E College Ave
Jacksonville, IL 62650
(217) 243-8563
Jacksonville, IL 62650
(217) 243-8563
Rank: #1919.
Founding Date: 1909
Grades: 9-12
1100 Laramie Ave
Wilmette, IL 60091
(847) 256-1100
Wilmette, IL 60091
(847) 256-1100
Rank: #2020.
Founding Date: 1910
Grades: 9-12
1443 W Division Street
Chicago, IL 60642
(773) 278-4212
Chicago, IL 60642
(773) 278-4212
Rank: #21 - 2221. - 22.
Maria High School![Maria High School Photo]( "Maria High School Photo")
All-girls (Catholic)
Founding Date: 1911
Grades: 9-12
6727 S California Ave
Chicago, IL 60629
(773) 925-8686
Chicago, IL 60629
(773) 925-8686
Rank: #21 - 2221. - 22.
Founding Date: 1911
Grades: PK-12
188 W Butterfield Rd
Elmhurst, IL 60126
(630) 833-4616
Elmhurst, IL 60126
(630) 833-4616
Rank: #23 - 2423. - 24.
Founding Date: 1914
Grades: PK-12
631 E Hickory St
Hinsdale, IL 60521
(630) 323-9211
Hinsdale, IL 60521
(630) 323-9211
Rank: #23 - 2423. - 24.
Kemmerer Village School
Special Education School
Founding Date: 1914
Grades: 7-11
941 N 2500 East Rd
Assumption, IL 62510
(217) 226-2159
Assumption, IL 62510
(217) 226-2159
Rank: #25 - 2725. - 27.
Founding Date: 1915
Grades: 9-12
1101 W 23rd St
Sterling, IL 61081
(815) 625-0500
Sterling, IL 61081
(815) 625-0500
Rank: #25 - 2725. - 27.
Founding Date: 1915
Grades: PK-12
1200 Davis Street
Evanston, IL 60201
(847) 866-6055
Evanston, IL 60201
(847) 866-6055
Rank: #25 - 2725. - 27.
Founding Date: 1915
Grades: 4-12
6245 S. Ingleside Avenue
Chicago, IL 60637
(773) 420-2900
Chicago, IL 60637
(773) 420-2900
Rank: #2828.
Founding Date: 1916
Grades: PK-12
1 Jacoby Pl
Rockford, IL 61107
(815) 399-8823
Rockford, IL 61107
(815) 399-8823
Rank: #2929.
Founding Date: 1919
Grades: PK-12
310 Green Bay Rd
Winnetka, IL 60093
(847) 446-0674
Winnetka, IL 60093
(847) 446-0674
Rank: #3030.
Resurrection College Prep High School![Resurrection College Prep High School Photo]( "Resurrection College Prep High School Photo")
All-girls (Catholic)
Founding Date: 1922
Grades: 9-12
7500 W Talcott Ave
Chicago, IL 60631
(773) 775-6616
Chicago, IL 60631
(773) 775-6616
Rank: #3131.
Founding Date: 1927
Grades: 9-12
219 E 4th St
Alton, IL 62002
(618) 463-0580
Alton, IL 62002
(618) 463-0580
Rank: #3232.
Fenwick High School
(Catholic)
Founding Date: 1929
Grades: 9-12
505 Washington Blvd
Oak Park, IL 60302
(708) 948-0332
Oak Park, IL 60302
(708) 948-0332
Rank: #3333.
Founding Date: 1945
Grades: 9-12
2261 Indiana Ave
Lansing, IL 60438
(219) 558-7066
Lansing, IL 60438
(219) 558-7066
Rank: #34 - 3534. - 35.
Arthur Christian School
(Christian)
Founding Date: 1947
Grades: PK-12
1637 State Hwy 133
Arthur, IL 61911
(217) 543-2397
Arthur, IL 61911
(217) 543-2397
Rank: #34 - 3534. - 35.
Cove School
Special Education School
Founding Date: 1947
Grades: 2-12
350 Lee Road
Northbrook, IL 60062
(847) 562-2100
Northbrook, IL 60062
(847) 562-2100
Show 100 more private schools in IL (out of 158 total schools)
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Frequently Asked Questions
What is the Illinois average private high schools founding year?
The Illinois average private high schools founding year is 1967 for 2024-25.
What are the private high schools with oldest founding year in Illinois?
The top ranked private high schools in Illinois include Elgin Academy, Mother Mcauley Liberal Arts High School and Wheaton Academy.
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