The average private school in Illinois was founded around 1966 (2024-25).
The oldest private school in Illinois is Most Blessed Trinity Academy, founded in 1841.
Year Founded Range: 1841
1866
Avg. Year Founded: 1858
Oldest Private Schools in Illinois (2024-25)
School
Founding Date
Grades
Location
Rank: #11.
Founding Date: 1841
Grades: K-7
510 W. Grand Ave.
Waukegan, IL 60085
(847) 623-4110
Waukegan, IL 60085
(847) 623-4110
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.
Founding Date: 1847
Grades: PK-8
208 E Schaumburg Rd
Schaumburg, IL 60194
(847) 885-3350
Schaumburg, IL 60194
(847) 885-3350
Rank: #44.
Founding Date: 1848
Grades: PK-8
304 South St
Collinsville, IL 62234
(618) 344-3145
Collinsville, IL 62234
(618) 344-3145
Rank: #55.
Founding Date: 1850
Grades: PK-K
1740 Lake Avenue
Wilmette, IL 60091
(847) 256-7870
Wilmette, IL 60091
(847) 256-7870
Rank: #66.
Zion Lutheran School![Zion Lutheran School Photo]( "Zion Lutheran School Photo")
(Lutheran Church Missouri Synod)
Founding Date: 1851
Grades: PK-8
203 S Vine
Mount Pulaski, IL 62548
(217) 795-5715
Mount Pulaski, IL 62548
(217) 795-5715
Rank: #77.
Founding Date: 1852
Grades: PK-8
2329 S Wolf Road
Hillside, IL 60162
(708) 562-5580
Hillside, IL 60162
(708) 562-5580
Rank: #8 - 108. - 10.
Immaculate Conception![Immaculate Conception Photo - Mr. Kish welcomes students on the first day.]( "Immaculate Conception Photo - Mr. Kish welcomes students on the first day.")
(Catholic)
Founding Date: 1853
Grades: PK-8
321 S Metter Avenue
Columbia, IL 62236
(618) 281-5353
Columbia, IL 62236
(618) 281-5353
Rank: #8 - 108. - 10.
Founding Date: 1853
Grades: PK-8
201 E Franklin Ave
Naperville, IL 60540
(630) 355-0113
Naperville, IL 60540
(630) 355-0113
Rank: #8 - 108. - 10.
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: #11 - 1211. - 12.
Concord Lutheran School![Concord Lutheran School Photo - Pictures with the Easter Bunny at our annual PTO Egg Hunt!]( "Concord Lutheran School Photo - Pictures with the Easter Bunny at our annual PTO Egg Hunt!")
(Lutheran Church Missouri Synod)
Founding Date: 1855
Grades: PK-8
865 S Church Road
Bensenville, IL 60106
(630) 766-0228
Bensenville, IL 60106
(630) 766-0228
Rank: #11 - 1211. - 12.
Founding Date: 1855
Grades: PK-8
50 N Buffalo Grove Road
Buffalo Grove, IL 60089
(847) 459-3880
Buffalo Grove, IL 60089
(847) 459-3880
Rank: #1313.
St. Patrick School
(Catholic)
Founding Date: 1856
Grades: PK-8
412 N Jackson St
Decatur, IL 62523
(217) 423-4351
Decatur, IL 62523
(217) 423-4351
Rank: #14 - 1514. - 15.
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: #14 - 1514. - 15.
St. James Lutheran School![St. James Lutheran School Photo]( "St. James Lutheran School Photo")
(Lutheran Church Missouri Synod)
Founding Date: 1857
Grades: PK-8
2101 N. Fremont
Chicago, IL 60614
(773) 525-4990
Chicago, IL 60614
(773) 525-4990
Rank: #16 - 1716. - 17.
Corpus Christi Catholic School
(Catholic)
Founding Date: 1858
Grades: PK-8
1909 E. Lincoln Street
Bloomington, IL 61701
(309) 662-3712
Bloomington, IL 61701
(309) 662-3712
Rank: #16 - 1716. - 17.
Trinity Lutheran School
(Lutheran Church Missouri Synod)
Founding Date: 1858
Grades: PK-8
1102 W Hamilton Rd
Bloomington, IL 61704
(309) 829-7513
Bloomington, IL 61704
(309) 829-7513
Rank: #18 - 1918. - 19.
St. Johns Lutheran School
(Lutheran Church Missouri Synod)
Founding Date: 1859
Grades: PK-8
808 South Main Street
Red Bud, IL 62278
(618) 282-3873
Red Bud, IL 62278
(618) 282-3873
Rank: #18 - 1918. - 19.
Founding Date: 1859
Grades: PK-8
6850 W. 159th Street
Tinley Park, IL 60477
(708) 532-3529
Tinley Park, IL 60477
(708) 532-3529
Rank: #20 - 2120. - 21.
Trinity Lutheran School
(Lutheran Church Missouri Synod)
Founding Date: 1860
Grades: PK-8
1165 S. Wesmore Meyers Road
Lombard, IL 60148
(630) 627-5601
Lombard, IL 60148
(630) 627-5601
Rank: #20 - 2120. - 21.
Founding Date: 1860
Grades: PK-8
515 S Macarthur Blvd.
Springfield, IL 62704
(217) 787-2323
Springfield, IL 62704
(217) 787-2323
Rank: #22 - 2422. - 24.
Founding Date: 1861
Grades: PK-8
5 S Van Buren St
Dundee, IL 60118
(847) 428-1010
Dundee, IL 60118
(847) 428-1010
Rank: #22 - 2422. - 24.
Founding Date: 1861
Grades: PK-8
2324 New Street
Blue Island, IL 60406
(708) 385-2016
Blue Island, IL 60406
(708) 385-2016
Rank: #22 - 2422. - 24.
Zion Lutheran School![Zion Lutheran School Photo - Growing the minds of all learners, from little to middles and impacting lives for future generations.]( "Zion Lutheran School Photo - Growing the minds of all learners, from little to middles and impacting lives for future generations.")
(Lutheran Church Missouri Synod)
Founding Date: 1861
Grades: PK-8
1810 Mcclintock Ave
Belleville, IL 62221
(618) 234-0275
Belleville, IL 62221
(618) 234-0275
Rank: #2525.
Founding Date: 1862
Grades: PK-9
1720 College Avenue
Quincy, IL 62301
(217) 222-4077
Quincy, IL 62301
(217) 222-4077
Rank: #26 - 2726. - 27.
Founding Date: 1863
Grades: PK-K
24480 N Old Mchenry Road
Lake Zurich, IL 60047
(847) 438-6103
Lake Zurich, IL 60047
(847) 438-6103
Rank: #26 - 2726. - 27.
SS Peter & Paul Catholic School
(Catholic)
Founding Date: 1863
Grades: PK-8
217 W 3rd St
Waterloo, IL 62298
(618) 939-7217
Waterloo, IL 62298
(618) 939-7217
Rank: #28 - 3128. - 31.
St. Paul Lutheran School![St. Paul Lutheran School Photo - Our 7th and 8th grade students using our their new SMART Board]( "St. Paul Lutheran School Photo - Our 7th and 8th grade students using our their new SMART Board")
(Lutheran Church Missouri Synod)
Founding Date: 1864
Grades: PK-8
112 N Border Street
Troy, IL 62294
(618) 667-6314
Troy, IL 62294
(618) 667-6314
Rank: #28 - 3128. - 31.
St. Peter Lutheran School
(Lutheran Church Missouri Synod)
Founding Date: 1864
Grades: K-8
310 N Broadway St
Joliet, IL 60435
(815) 722-3567
Joliet, IL 60435
(815) 722-3567
Rank: #28 - 3128. - 31.
Trinity Lutheran School
(Lutheran Church Missouri Synod)
Founding Date: 1864
Grades: PK-8
318 E. South 1st Street
Stewardson, IL 62463
(217) 682-3881
Stewardson, IL 62463
(217) 682-3881
Rank: #28 - 3128. - 31.
Trinity Lutheran School![Trinity Lutheran School Photo - Enjoying BreakOut Box time with grandparent.]( "Trinity Lutheran School Photo - Enjoying BreakOut Box time with grandparent.")
Montessori School (Lutheran Church Missouri Synod)
Founding Date: 1864
Grades: K-8
824 East Main Street
Danville, IL 61832
(217) 442-4311
Danville, IL 61832
(217) 442-4311
Rank: #32 - 3432. - 34.
Founding Date: 1865
Grades: PK-8
85 S. Constitution Drive
Aurora, IL 60506
(630) 896-3350
Aurora, IL 60506
(630) 896-3350
Rank: #32 - 3432. - 34.
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: #32 - 3432. - 34.
Founding Date: 1865
Grades: PK-8
11503 German Church Rd
Willowbrook, IL 60527
(708) 839-1444
Willowbrook, IL 60527
(708) 839-1444
Rank: #35 - 3635. - 36.
St. John's Lutheran School![St. John's Lutheran School Photo - St. John's Lutheran School in Elgin Il.]( "St. John's Lutheran School Photo - St. John's Lutheran School in Elgin Il.")
(Lutheran Church Missouri Synod)
Founding Date: 1866
Grades: PK-1
109 N Spring St
Elgin, IL 60120
(847) 741-7633
Elgin, IL 60120
(847) 741-7633
Show 100 more private schools in IL (out of 709 total schools)
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Frequently Asked Questions
What is the Illinois average private schools founding year?
The Illinois average private schools founding year is 1966 for 2024-25.
What are the private schools with oldest founding year in Illinois?
The top ranked private schools in Illinois include Most Blessed Trinity Academy, Mother Mcauley Liberal Arts High School and St. Peter Lutheran School.
What is private high school and private elementary school with the oldest founding year in Illinois?
The private high school with the oldest founding year in Illinois is Mother Mcauley Liberal Arts High School, with a year of 1846. The private elementary school with the oldest founding year is Most Blessed Trinity Academy, with a year of 1841.
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