The average private school endowment in Illinois is $50.1M (2025).
The private school in Illinois with the highest endowment is East Lake Academy, with a endowment of $500M.
Endowment Range: $50M
$500M
Avg. Endowment: $79.1M
Average Private School endowment in Illinois (2025)
School
Endowment
Grades
Location
Rank: #1 - 21. - 2.
Endowment: $500 M
Grades: PK-8
13911 W. Laurel Drive
Lake Forest, IL 60045
(847) 247-0035
Lake Forest, IL 60045
(847) 247-0035
Rank: #1 - 21. - 2.
Endowment: $500 M
Grades: PK-12
200 N Roselle Road
Schaumburg, IL 60194
(847) 885-3230
Schaumburg, IL 60194
(847) 885-3230
Rank: #3 - 43. - 4.
Endowment: $100 M
Grades: K-8
4301 W Kirby Avenue
Champaign, IL 61822
(217) 355-1253
Champaign, IL 61822
(217) 355-1253
Rank: #3 - 43. - 4.
Oak Park Ave. KinderCare![Oak Park Ave. KinderCare Photo - Oak Park Ave. KinderCare]( "Oak Park Ave. KinderCare Photo - Oak Park Ave. KinderCare")
Daycare / Preschool
Endowment: $100 M
Grades: NS-PK
16100 Oak Park Ave.
Tinley Park, IL 60477
(708) 429-7277
Tinley Park, IL 60477
(708) 429-7277
Rank: #55.
Endowment: $69 M
Grades: 9-12
1500 W Kennedy Rd
Lake Forest, IL 60045
(847) 615-3257
Lake Forest, IL 60045
(847) 615-3257
Rank: #6 - 456. - 45.
Bishop Mcnamara Catholic High School
(Catholic)
Endowment: $50 M
Grades: PK-12
550 W Brookmont Blvd
Kankakee, IL 60901
(815) 932-7413
Kankakee, IL 60901
(815) 932-7413
Rank: #6 - 456. - 45.
Brenda's Kids Club Daycare Center
Daycare / Preschool
Endowment: $50 M
Grades: K
3552 E 118th St
Chicago, IL 60617
(773) 646-0007
Chicago, IL 60617
(773) 646-0007
Rank: #6 - 456. - 45.
Brightmont Academy - Naperville![Brightmont Academy - Naperville Photo - one teacher one student]( "Brightmont Academy - Naperville Photo - one teacher one student")
Special Program Emphasis
Endowment: $50 M
Grades: 1-12
445 Jackson Ave.
Naperville, IL 60540
(331) 260-0334
Naperville, IL 60540
(331) 260-0334
Rank: #6 - 456. - 45.
Calvary Baptist Academy![Calvary Baptist Academy Photo - Calvary Baptist Church & Academy]( "Calvary Baptist Academy Photo - Calvary Baptist Church & Academy")
(Baptist)
Endowment: $50 M
Grades: PK-12
1028 W Cloverdale Road
Chillicothe, IL 61523
(309) 274-4343
Chillicothe, IL 61523
(309) 274-4343
Rank: #6 - 456. - 45.
The Childrens Place Learning Academy
Daycare / Preschool
Endowment: $50 M
Grades: PK-K
2591 Sauk Trail
Chicago Heights, IL 60411
(708) 757-7679
Chicago Heights, IL 60411
(708) 757-7679
Rank: #6 - 456. - 45.
Endowment: $50 M
Grades: PK-7
9001 159th St
Tinley Park, IL 60487
(708) 349-7166
Tinley Park, IL 60487
(708) 349-7166
Rank: #6 - 456. - 45.
Christian Life Academy
(Christian)
Endowment: $50 M
Grades: PK-12
222 Tremont Street
Hopedale, IL 61747
(309) 449-3346
Hopedale, IL 61747
(309) 449-3346
Rank: #6 - 456. - 45.
Danville Christian Academy
(Assembly of God)
Endowment: $50 M
Grades: PK-11
428 N Walnut St
Danville, IL 61832
(217) 442-1579
Danville, IL 61832
(217) 442-1579
Rank: #6 - 456. - 45.
Ezra Christian School
(Christian)
Endowment: $50 M
Grades: K-12
1345 Ezra St
West Frankfort, IL 62896
(618) 932-6988
West Frankfort, IL 62896
(618) 932-6988
Rank: #6 - 456. - 45.
Endowment: $50 M
Grades: PK-12
330 W Webster Ave
Chicago, IL 60614
(773) 797-5501
Chicago, IL 60614
(773) 797-5501
Rank: #6 - 456. - 45.
Guidepost Montessori At Schaumburg
Montessori School
Endowment: $50 M
Grades: PK-K
22 Kristin Dr
Schaumburg, IL 60195
(224) 801-4456
Schaumburg, IL 60195
(224) 801-4456
Rank: #6 - 456. - 45.
The High School Of Saint Thomas More![The High School Of Saint Thomas More Photo - STM chaplain Father Andru O'Brien celebrates the Senior Recognition Mass in May 2022.]( "The High School Of Saint Thomas More Photo - STM chaplain Father Andru O'Brien celebrates the Senior Recognition Mass in May 2022.")
(Catholic)
Endowment: $50 M
Grades: 9-12
3901 N Mattis Ave
Champaign, IL 61822
(217) 352-7201
Champaign, IL 61822
(217) 352-7201
Rank: #6 - 456. - 45.
Imani Children's Academy
Daycare / Preschool
Endowment: $50 M
Grades: K
11443 S Halsted St
Chicago, IL 60628
(773) 660-9667
Chicago, IL 60628
(773) 660-9667
Rank: #6 - 456. - 45.
Joseph Academy-melrose Park
Special Education School
Endowment: $50 M
Grades: 4-12
1100 N 22nd Av
Melrose Park, IL 60160
(708) 345-4500
Melrose Park, IL 60160
(708) 345-4500
Rank: #6 - 456. - 45.
Kiefer School
Special Education School
Endowment: $50 M
Grades: 1-12
404 NE Madison
Peoria, IL 61603
(309) 687-7236
Peoria, IL 61603
(309) 687-7236
Rank: #6 - 456. - 45.
Lake Cook KinderCare![Lake Cook KinderCare Photo - School Age Room]( "Lake Cook KinderCare Photo - School Age Room")
Daycare / Preschool
Endowment: $50 M
Grades: NS-PK
1025 E Lake Cook Rd
Wheeling, IL 60090
(847) 541-4406
Wheeling, IL 60090
(847) 541-4406
Rank: #6 - 456. - 45.
Lakeview Development Center Inc
Daycare / Preschool
Endowment: $50 M
Grades: K
1531 W Lawrence Ave
Chicago, IL 60640
(773) 878-2223
Chicago, IL 60640
(773) 878-2223
Rank: #6 - 456. - 45.
Les Finch's Learning Tree Day![Les Finch's Learning Tree Day Photo - Before and After School Activity]( "Les Finch's Learning Tree Day Photo - Before and After School Activity")
Daycare / Preschool (Christian)
Endowment: $50 M
Grades: PK-K
4217 W 16th St
Chicago, IL 60623
(773) 521-5434
Chicago, IL 60623
(773) 521-5434
Rank: #6 - 456. - 45.
Misericordia South
Special Education School
Endowment: $50 M
Grades: PK-12
2916 W 47th Street
Chicago, IL 60632
(773) 254-9595
Chicago, IL 60632
(773) 254-9595
Rank: #6 - 456. - 45.
Montessori Academy Of Glen Ellyn
Montessori School
Endowment: $50 M
Grades: PK-8
927 N Main St
Glen Ellyn, IL 60137
(630) 469-4727
Glen Ellyn, IL 60137
(630) 469-4727
Rank: #6 - 456. - 45.
Montessori Academy Of North Hoffman
Montessori School
Endowment: $50 M
Grades: PK-12
1200 Freeman Road
Hoffman Estates, IL 60192
(847) 705-1234
Hoffman Estates, IL 60192
(847) 705-1234
Rank: #6 - 456. - 45.
Montessori For Modern Minds
Montessori School
Endowment: $50 M
Grades: PK-K
16w331 63rd St
Willowbrook, IL 60527
(630) 325-0083
Willowbrook, IL 60527
(630) 325-0083
Rank: #6 - 456. - 45.
Nico's Playhouse
Daycare / Preschool
Endowment: $50 M
Grades: K
1855 W 95th St
Chicago, IL 60643
(773) 238-0117
Chicago, IL 60643
(773) 238-0117
Rank: #6 - 456. - 45.
Endowment: $50 M
Grades: PK-K
6711 N Sheridan Rd Ste 1
Chicago, IL 60626
(773) 743-4744
Chicago, IL 60626
(773) 743-4744
Rank: #6 - 456. - 45.
Endowment: $50 M
Grades: K-12
409 W Orange St
Pana, IL 62557
(618) 267-7581
Pana, IL 62557
(618) 267-7581
Rank: #6 - 456. - 45.
Pixie & Dixie Day Care Center Inc
Daycare / Preschool
Endowment: $50 M
Grades: PK-K
199 S Addison Rd Unit 100
Wood Dale, IL 60191
(630) 329-0629
Wood Dale, IL 60191
(630) 329-0629
Rank: #6 - 456. - 45.
Endowment: $50 M
Grades: PK-K
1800 W Lincoln Hwy
New Lenox, IL 60451
(815) 485-7129
New Lenox, IL 60451
(815) 485-7129
Rank: #6 - 456. - 45.
Queen Of Martyrs Elementary School
(Catholic)
Endowment: $50 M
Grades: PK-8
3550 W 103rd St
Chicago, IL 60655
(708) 422-1540
Chicago, IL 60655
(708) 422-1540
Rank: #6 - 456. - 45.
Endowment: $50 M
Grades: 9-12
701 Locust Road
Wilmette, IL 60091
(847) 256-7660
Wilmette, IL 60091
(847) 256-7660
Rank: #6 - 456. - 45.
Rescue Missionary Christian Church Center & School
(Pentecostal)
Endowment: $50 M
Grades: 1-7
7740 South Eberhart
Chicago, IL 60619
(773) 224-0439
Chicago, IL 60619
(773) 224-0439
Show 34 more private schools in IL (out of 69 total schools)
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Frequently Asked Questions
What is the Illinois average private schools endowment?
The Illinois average private schools endowment is $50.1M for 2025.
What are the private schools with the highest endowment in Illinois?
The top ranked private schools in Illinois include East Lake Academy, Schaumburg Christian School and Countryside School.
What is private high school and private elementary school with the highest endowment in Illinois?
The private high school with the highest endowment in Illinois is Schaumburg Christian School, with a value of $500.0M. The private elementary school with the highest endowment is East Lake Academy, with a value of $500.0M.
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