Private School Review - Established 2003

Oak Brook Private Preschools

For the 2026-27 school year, there are 3 private preschools serving 326 students in Oak Brook, IL.

Quick Facts (26-27)

Quick Facts (26-27)

Top Ranked Oak Brook Private Preschools (2026-27)

Map of Kensington School Of The Highlands
Kensington School Of The Highlands
Gr: NS | 298 students
Daycare / Preschool
2215 York Road Ste 203
Oak Brook, IL 60523
(708) 246-5757
View Profile
Map of Bright Horizons
Bright Horizons
Gr: PK-K | 28 students
Daycare / Preschool
1520 Kensington 103
Oak Brook, IL 60523
(630) 216-4828
View Profile
Map of Guidepost Montessori At Oak Brook
Guidepost Montessori At Oak Brook
Gr: NS-K
Daycare / Preschool
1717 W 22nd St
Oak Brook, IL 60523
(630) 568-6109
View Profile

Oak Brook, IL Private School Trends (10-Year)

3
Private Schools
326
Students
-21.6% (-90 students) 10-yr
32%
Students of Color
-3.0% (-1.0 pp) 10-yr
41:1
Student-Teacher Ratio
-60.6% (-63.0) 10-yr
Download town snapshot: CSV | XML | JSON Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission.
Enrollment & Diversity
Category
This Town (Oak Brook)
This State (IL)
# Schools
3 Schools
1,244 Schools
# Students
326 Students
182,057 Students

Trends in the Average Number of Students Per Private Preschool

YearOak Brook, IL AvgIllinois (IL)National
2025163160191
2024163158187
2023163164185
2022164168188
2021164164184
2020164159179
2019164166182
2018164165181
2017193167183
2016193165181
2015139156173
Download Table: Download as CSV | Download as XML | Download as JSON
Download Full Town Data: Full Town Dataset XML | Full Town Dataset JSON

Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

% Students of Color
32%
33%

Percentage of Students of Color Trends (2015-2025)

YearOak Brook, IL AvgIllinois (IL)National
202532%33%32%
202432%33%32%
202332%34%32%
202235%34%31%
202135%34%32%
202035%35%31%
201935%33%31%
201835%33%30%
201733%33%31%
201633%34%31%
201533%35%31%
Download Table: Download as CSV | Download as XML | Download as JSON
Download Full Town Data: Full Town Dataset XML | Full Town Dataset JSON

Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

0.10
0.66

Diversity Score Trends

YearOak Brook, IL AvgIllinois (IL)National
20250.100.660.65
20240.100.660.65
20230.100.660.65
20220.110.660.64
20210.110.660.64
20200.110.670.64
20190.110.650.64
20180.110.660.64
20170.060.640.62
20160.060.640.62
20150.090.640.62
Download Table: Download as CSV | Download as XML | Download as JSON
Download Full Town Data: Full Town Dataset XML | Full Town Dataset JSON

Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

Show more data/charts: racial breakdown
# American Indian Students
n/a
436 Students
% American Indian Students
n/a
n/a
# Asian Students
2 Students
6,886 Students
% Asian Students
1%
4%

Asian Student Percentage Trends

YearOak Brook, IL AvgIllinois (IL)National
20251%4%4%
20241%4%5%
20231%4%5%
20222%4%5%
20212%5%5%
20202%5%4%
20192%5%5%
20182%5%5%
Download Table: Download as CSV | Download as XML | Download as JSON
Download Full Town Data: Full Town Dataset XML | Full Town Dataset JSON

Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

# Hispanic Students
1 Student
15,765 Students
% Hispanic Students
n/a
9%

Hispanic Student Percentage Trends

YearOak Brook, IL AvgIllinois (IL)National
20221%9%8%
20211%9%7%
20201%9%7%
20191%8%7%
20181%8%7%
Download Table: Download as CSV | Download as XML | Download as JSON
Download Full Town Data: Full Town Dataset XML | Full Town Dataset JSON

Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

# Black Students
1 Student
12,011 Students
% Black Students
n/a
7%
# White Students
12 Students
87,532 Students
% White Students
4%
48%

White Student Percentage Trends

YearOak Brook, IL AvgIllinois (IL)National
20254%48%48%
20244%48%48%
20234%48%48%
20223%49%50%
20213%49%50%
20203%48%51%
20193%50%52%
20183%49%52%
20173%52%54%
20163%51%54%
20154%51%54%
Download Table: Download as CSV | Download as XML | Download as JSON
Download Full Town Data: Full Town Dataset XML | Full Town Dataset JSON

Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

# Hawaiian Students
n/a
203 Students
% Hawaiian Students
n/a
n/a
# Two or more races Students
n/a
n/a
% of Two or more races Students
n/a
n/a
# Others Students
310 Students
57,909 Students
% of Others Students
95%
32%

Other Races Student Percentage Trends

YearOak Brook, IL AvgIllinois (IL)National
202595%32%34%
202495%32%33%
202395%32%33%
202294%31%31%
202194%30%31%
202094%30%31%
201994%30%30%
201894%31%30%
201797%29%30%
201697%30%29%
201596%31%29%
Download Table: Download as CSV | Download as XML | Download as JSON
Download Full Town Data: Full Town Dataset XML | Full Town Dataset JSON

Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

All Ethnic Groups
Academics
# Teachers
8 Teachers
12,976 Teachers
Average Student-Teacher Ratio
41:1
14:1

Student-Teacher Ratio Trends (2015-2025)

YearOak Brook, IL AvgIllinois (IL)National
202541:114:112:1
202441:114:112:1
202341:114:112:1
2022109:114:112:1
2021109:114:112:1
2020109:114:112:1
2019109:114:112:1
2018109:114:112:1
2017129:114:112:1
2016129:114:112:1
2015104:115:113:1
Download Table: Download as CSV | Download as XML | Download as JSON
Download Full Town Data: Full Town Dataset XML | Full Town Dataset JSON

Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

Tuition & Aid
Admissions & Athletics

Frequently Asked Questions

What are the top ranked private preschools in Oak Brook, IL?
The top ranked private preschools in Oak Brook, IL is Kensington School Of The Highlands.
How many private preschools are located in Oak Brook?
3 private preschools are located in Oak Brook.

Recent Articles

How Much Unstructured Time Does Your Child Have?
How Much Unstructured Time Does Your Child Have?
Learn why unstructured time matters during a private school day, how recess, lunch, free periods, and transitions affect students, and what parents should evaluate before enrolling.
What Happens When Bullying Continues Outside School?
What Happens When Bullying Continues Outside School?
Learn how private schools may respond when bullying continues through social media, texts, gaming, and off-campus activities, and what parents should document, report, and expect.
How Private Schools Handle Food Allergies
How Private Schools Handle Food Allergies
Learn how private schools manage food allergies, from emergency plans and epinephrine access to cafeteria procedures, staff training, field trips, and the questions parents should verify before enrolling their child.
Area schools map

Filter Schools

School Level
Must Offer Grade
Show more
Gender
School Focus
Religious Affiliation
ADD/ADHD Support
Summer Program

Quick Links

SCHOOL SEARCH TOOLS:
SCHOOL BY TYPE (IL):
OPEN-HOUSES & JOBS:
PUBLIC & BOARDING SCHOOLS:
PRIVATE SCHOOL DATA: