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²ÝÁñÉçÇø School Review - Established 2003

Dekalb ²ÝÁñÉçÇø Schools (2026-27)

For the 2026-27 school year, there are 3 private schools serving 338 students in Dekalb, IL, 5% of all K-12 students in Dekalb, IL are educated in private schools versus (compared to the IL state average of 12%).
33% of private schools in Dekalb, IL are religiously affiliated (most commonly Catholic).

Quick Facts (2026-27)

Quick Facts (2026-27)

Top Ranked Dekalb ²ÝÁñÉçÇø Schools (2026-27)

Map of St. Mary School
St. Mary School
Gr: NS-8 | 253 students
Avg. class size: 22 students
Sports: 4 | Extracurriculars: 4
Catholic
210 Gurler Rd
Dekalb, IL 60115
(815) 756-7905
(1)
View Profile
Hillcrest Drive KinderCare Photo
Hillcrest Drive KinderCare
Gr: NS-PK
Daycare / Preschool
207 E Hillcrest Dr.
Dekalb, IL 60115
(815) 758-1541
View Profile
Map of Northwester Center For Autism
Northwester Center For Autism
Gr: PK-12 | 85 students
Special Education School
315 N 6th St
Dekalb, IL 60115
(815) 787-4144
(1)
View Profile

Dekalb, IL ²ÝÁñÉçÇø School Trends (10-Year)

3
²ÝÁñÉçÇø Schools
338
Students
+28.0% (+74 students) 10-yr
$4,985
Avg. Tuition
+30.8% (+$1,174) 8-yr
22
Avg. Class Size
16%
Students of Color
+23.1% (+3.0 pp) 10-yr
11:1
Student-Teacher Ratio
+22.2% (+2.0) 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 (Dekalb)
This State (IL)
# Schools
3 Schools
1,625 Schools
# Students
338 Students
251,321 Students

Trends in the Average Number of Students Per ²ÝÁñÉçÇø School

YearDekalb, IL AvgIllinois (IL)National
2025169166179
2024151162172
2023113171174
2022148178185
2021148174180
2020148168171
2019143174175
2018143171172
2017107177180
2016132175178
2015132168167
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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
16%
34%

Percentage of Students of Color Trends (2015-2025)

YearDekalb, IL AvgIllinois (IL)National
202516%34%34%
202416%34%34%
202316%34%33%
202219%34%33%
202119%34%32%
202019%35%32%
201915%33%31%
201815%33%31%
201714%34%32%
201614%34%32%
201513%35%32%
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0.56
0.66

Diversity Score Trends

YearDekalb, IL AvgIllinois (IL)National
20250.560.660.65
20240.500.660.65
20230.550.660.65
20220.540.650.64
20210.540.650.64
20200.540.660.64
20190.270.650.63
20180.270.650.63
20170.300.620.61
20160.450.620.61
20150.450.630.61
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Show more data/charts: racial breakdown
# American Indian Students
n/a
605 Students
% American Indian Students
n/a
n/a
# Asian Students
1 Student
10,480 Students
% Asian Students
n/a
4%

Asian Student Percentage Trends

YearDekalb, IL AvgIllinois (IL)National
20193%4%4%
20183%5%4%
20173%4%4%
20162%3%4%
20152%4%4%
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# Hispanic Students
27 Students
25,032 Students
% Hispanic Students
8%
10%

Hispanic Student Percentage Trends

YearDekalb, IL AvgIllinois (IL)National
20258%10%9%
20249%10%9%
202311%10%9%
202211%10%8%
202111%10%9%
202011%10%9%
20195%9%8%
20185%9%8%
20174%9%8%
20164%9%8%
20154%9%8%
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# Black Students
12 Students
21,046 Students
% Black Students
4%
9%

Black Student Percentage Trends

YearDekalb, IL AvgIllinois (IL)National
20254%8%7%
20244%8%7%
20226%8%7%
20216%8%7%
20206%9%8%
20197%9%7%
20187%9%7%
201710%9%7%
20169%9%7%
20159%9%8%
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# White Students
206 Students
128,859 Students
% White Students
60%
51%

White Student Percentage Trends

YearDekalb, IL AvgIllinois (IL)National
202560%51%52%
202468%51%52%
202360%51%52%
202264%53%54%
202164%52%54%
202064%52%54%
201985%53%56%
201885%53%56%
201783%56%58%
201673%56%58%
201573%55%58%
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# Hawaiian Students
n/a
338 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
95 Students
65,474 Students
% of Others Students
28%
26%

Other Races Student Percentage Trends

YearDekalb, IL AvgIllinois (IL)National
202528%26%26%
202419%26%26%
202329%26%25%
202219%25%25%
202119%25%25%
202019%25%24%
201612%23%22%
201512%23%21%
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All Ethnic Groups
Academics
# Teachers
30 Teachers
18,870 Teachers
Average Student-Teacher Ratio
11:1
13:1

Student-Teacher Ratio Trends (2015-2025)

YearDekalb, IL AvgIllinois (IL)National
202511:113:111:1
202410:113:111:1
20238:113:111:1
202211:113:111:1
202111:113:111:1
202011:113:112:1
201911:113:112:1
201811:114:112:1
20177:114:112:1
20169:114:112:1
20159:114:112:1
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Average Class Size
22 students
16 students
Tuition & Aid
Average Yearly Tuition Cost
$4,985
$12,436

Tuition Cost Trends (2017-2025)

YearDekalb, IL AvgIllinois (IL)National
2025$4,985$12,671$15,012
2024$3,811$9,594$13,254
2023$3,811$8,924$12,626
2022$3,811$8,609$12,187
2021$3,811$8,334$11,800
2020$3,811$8,312$11,512
2019$3,811$8,068$11,293
2018$3,811$7,898$11,017
2017$3,811$7,863$10,708
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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.

Admissions & Athletics
Average Number of Extracurriculars
4 extracurriculars
9 extracurriculars
Average Number of Sports
4 sports
6 sports

Frequently Asked Questions

What are the top ranked private schools in Dekalb, IL?
The top ranked private schools in Dekalb, IL is St. Mary School.
How many private schools are located in Dekalb?
3 private schools are located in Dekalb.
What percentage of students in Dekalb go to private school?
5% of all K-12 students in Dekalb are educated in private schools (compared to the IL state average of 12%).
What percentage of private schools are religiously affiliated in Dekalb?
33% of private schools in Dekalb are religiously affiliated (most commonly Catholic).

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