Private School Review - Established 2003

Dekalb County Private Schools

For the 2026-27 school year, there are 9 private schools serving 700 students in Dekalb County, IL (there are 42 public schools, serving 16,209 public students). 4% of all K-12 students are educated in private schools (compared to the IL state average of 12%).
56% of private schools in Dekalb County, IL are religiously affiliated (most commonly Baptist and Catholic).

Quick Facts (26-27)

Quick Facts (26-27)

Top Ranked Dekalb County Private 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
Map of Aurora Christian Schools Sycamore Campus
Aurora Christian Schools Sycamore Campus
Gr: PK-5 | 127 students
Avg. class size: 15 students
Sports: 4 | Extracurriculars: 3
Christian
355 N Cross St
Sycamore, IL 60178
(815) 895-8522
View Profile
Map of First Christian School
First Christian School
Gr: K-8 | 9 students
Baptist
316 N Sycamore Street
Genoa, IL 60135
(815) 784-2616
View Profile
Map of For Kids Only Inc. #2
For Kids Only Inc. #2
Gr: NS-PK | 40 students
705 S Main Street
Sandwich, IL 60548
(815) 786-8914
View Profile
Hillcrest Drive KinderCare Photo
Hillcrest Drive KinderCare
Gr: NS-PK
Daycare / Preschool
207 E Hillcrest Dr.
Dekalb, IL 60115
(815) 758-1541
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Map of Montessori Childrens House Of Sycamore And Dekalb
Montessori Childrens House Of Sycamore And Dekalb
Gr: K | 4 students
Montessori School
26555 Brickville Rd
Sycamore, IL 60178
(815) 895-0303
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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)
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Map of St. Mary Catholic School
St. Mary Catholic School
Gr: PK-8 | 104 students
Sports: 4 | Extracurriculars: 2
Catholic
222 Waterman St
Sycamore, IL 60178
(815) 895-5215
View Profile
Map of Somonauk Christian School
Somonauk Christian School
Gr: PK-12 | 78 students
Avg. class size: 10 students
Sports: 3
Baptist
315 E North St
Somonauk, IL 60552
(815) 498-2313
(1)
View Profile

Overview

Category
This State (IL)
US
# Schools
9 Schools
# Students
700 Students
250,469 Students
% Average Students of Color
15%
34%

Academics and Faculty:

# Teachers
77 Teachers
18,914 Teachers
Average Student-Teacher Ratio
9:1
13:1
Average Class Size
16 students
17 students

Tuition and Acceptance Rate:

Average Yearly Tuition Cost
$5,946
$10,412
Average % on Financial Aid
2%
35%

Students by Ethnicity:

0.47
0.66
# American Indian Students
0 Students
605 Students
% American Indian Students
0%
<1%
# Asian Students
5 Students
10,480 Students
% Asian Students
1%
4%
# Hispanic Students
57 Students
25,029 Students
% Hispanic Students
8%
10%
# Black Students
24 Students
21,042 Students
% Black Students
3%
9%
# White Students
529 Students
128,851 Students
% White Students
70%
51%
# Hawaiian Students
2 Students
338 Students
% Hawaiian Students
<1%
<1%
# Others Students
138 Students
65,188 Students
% of Others Students
18%
26%
All Ethnic Groups

Extracurriculars and Sports:

Average Number of Extracurriculars
3 extracurriculars
9 extracurriculars
Average Number of Sports
4 sports
6 sports

Frequently Asked Questions

What are the top ranked private schools in Dekalb County, IL?
The top ranked private schools in Dekalb County, IL is St. Mary School.
How many private schools are located in Dekalb County?
9 private schools are located in Dekalb County.
How diverse are private schools in Dekalb County?
Dekalb County private schools are approximately 15% minority students, which is lower than the Illinois private school average of 34%.
What percentage of students in Dekalb County go to private school?
4% of all K-12 students in Dekalb County are educated in private schools (compared to the IL state average of 12%).
What percentage of private schools are religiously affiliated in Dekalb County?
56% of private schools in Dekalb County are religiously affiliated (most commonly Baptist and Catholic).
Which private schools in Dekalb County are often viewed compared to one another?

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