North Shore Country Day School Photo

Average Private School endowment in Illinois

The average private school endowment in Illinois is $14.7M (2025).
The private school in Illinois with the highest endowment is Lake Forest Academy, with a endowment of $69M.
Endowment Range: $1M $69M Avg. Endowment: $14.7M

Average Private School endowment in Illinois (2025)

School
Endowment
Grades
Location
Rank: #11.
Lake Forest Academy
Lake Forest Academy Photo - Located on the former estate of J. Odgen Armour, various historical and modern buildings comprise Lake Forest Academy's 150-acre campus, including the Cressey Center for the Arts, the Reyes Family Science Center, and a newly expanded athletic center.
Endowment: $69 M
Grades: 9-12
1500 W Kennedy Rd
Lake Forest, IL 60045
(847) 615-3257
Rank: #22.
Endowment: $35 M
Grades: PK-12
310 Green Bay Rd
Winnetka, IL 60093
(847) 446-0674
Rank: #33.
Endowment: $22 M
Grades: NS-8
145 S. Green Bay Road
Lake Forest, IL 60045
(847) 234-2350
Rank: #44.
Ss Peter & Paul Catholic School
Ss Peter & Paul Catholic School Photo
(Catholic)
(3)
Endowment: $18 M
Grades: PK-8
201 E Franklin Ave
Naperville, IL 60540
(630) 355-0113
Rank: #55.
Our Lady Of Perpetual Help
Our Lady Of Perpetual Help Photo - Our 7th grade and 1st grade buddies work on a project together with iPads.
(Catholic)
Endowment: $6 M
Grades: NS-8
1123 Church St
Glenview, IL 60025
(847) 724-6990
Rank: #66.
Holy Family School
Holy Family School Photo - Our beautiful facility was constructed in 2008.
(Other Lutheran)
(1)
Endowment: $3.4 M
Grades: PK-8
3415 W. Arthington
Chicago, IL 60624
(773) 265-0550
Rank: #77.
Josephinum Academy Of The Sacred Heart
Josephinum Academy Of The Sacred Heart Photo - Library
All-girls (Catholic)
Endowment: $3.3 M
Grades: 9-12
1501 North Oakley Boulevard
Chicago, IL 60622
(773) 276-1261
Rank: #88.
Baker Demonstration School
Baker Demonstration School Photo - Curiosity captured in the preschool class with hands on learning for our youngest students in a scientific inquiry.
(6)
Endowment: $1 M
Grades: NS-8
201 Sheridan Road
Wilmette, IL 60091
(847) 425-5800
Rank: #99.
Rockford Lutheran School
Rockford Lutheran School Photo - Junior High Orchestra
(Lutheran Church Missouri Synod)
(2)
Endowment: $1.7 M
Grades: PK-12
3411 N Alpine Rd
Rockford, IL 61114
(815) 877-9551
Rank: #1010.
St. Joan Of Arc
St. Joan Of Arc Photo
(Catholic)
(8)
Endowment: $1.5 M
Grades: PK-8
4913 Columbia Avenue
Lisle, IL 60532
(630) 969-1732
Rank: #1111.
St. Juliana School
St. Juliana School Photo
(Catholic)
(2)
Endowment: $1.3 M
Grades: PK-8
7400 W Touhy Ave
Chicago, IL 60631
(773) 631-2256

Frequently Asked Questions

What is the Illinois average private schools endowment?
The Illinois average private schools endowment is $14.7M for 2025.
What are the private schools with the highest endowment in Illinois?
The top ranked private schools in Illinois include Lake Forest Academy, North Shore Country Day School and Lake Forest Country Day 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 Lake Forest Academy, with a value of $68.5M. The private elementary school with the highest endowment is North Shore Country Day School, with a value of $35.0M.

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