Best Dekalb County Private Elementary Schools (2026)

For the 2026 school year, there are 6 private elementary schools serving 680 students in Dekalb County, IL.
The top-ranked private elementary school in Dekalb County, IL is St. Mary School.
83% of private elementary schools in Dekalb County, IL are religiously affiliated (most commonly Baptist and Catholic).

Top-Ranked Dekalb County Private Elementary Schools (2026)

School
Location
Quick Facts
St. Mary School
(Catholic)
(1)
210 Gurler Rd
Dekalb, IL 60115
(815) 756-7905
Gr: NS-8 | 253 students Avg. class size: 22 students Sports: 4 | Extracurrculars: 4 Tuition listed
Aurora Christian Schools Sycamore Campus
(Christian)
355 N Cross St
Sycamore, IL 60178
(815) 895-8522
Gr: PK-8 | 151 students Sports: 3 Tuition listed
First Christian School
(Baptist)
316 N Sycamore Street
Genoa, IL 60135
(815) 784-2616
Gr: K-8 | 9 students
Northwester Center For Autism
Special Education School
(1)
315 N 6th St
Dekalb, IL 60115
(815) 787-4144
Gr: PK-12 | 85 students
St. Mary Catholic School
(Catholic)
222 Waterman St
Sycamore, IL 60178
(815) 895-5215
Gr: PK-8 | 104 students Sports: 4 | Extracurrculars: 2 Tuition listed
Somonauk Christian School
(Baptist)
(1)
315 E North St
Somonauk, IL 60552
(815) 498-2313
Gr: PK-12 | 78 students Avg. class size: 10 students Sports: 3 Tuition listed

Overview

This County (Dekalb County)
This State (IL)
# Schools
6 Schools

Student Body:

# Students
680 Students
184,372 Students
% Average Students of Color
14%
32%

Academics and Faculty:

# Teachers
83 Teachers
14,077 Teachers
Average Student-Teacher Ratio
8:1
13:1
Average Class Size
16 students
17 students

Tuition and Acceptance Rate:

Average Yearly Tuition Cost
$5,946
$10,982
Average % on Financial Aid
2%
31%

Students by Ethnicity:

0.48
0.64
# American Indian Students
n/a
497 Students
% American Indian Students
n/a
n/a
# Asian Students
4 Students
8,658 Students
% Asian Students
1%
5%
# Hispanic Students
53 Students
17,461 Students
% Hispanic Students
7%
9%
# Black Students
23 Students
14,666 Students
% Black Students
3%
8%
# White Students
506 Students
99,933 Students
% White Students
70%
54%
# Hawaiian Students
2 Students
290 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
137 Students
43,932 Students
% of Others Students
19%
24%
All Ethnic Groups

Extracurriculars and Sports:

Average Number of Extracurriculars
3 extracurriculars
8 extracurriculars
Average Number of Sports
4 sports
5 sports

Frequently Asked Questions

What are the top-ranked private elementary schools in Dekalb County, IL?
The top-ranked private elementary schools in Dekalb County, IL is St. Mary School.
How many private elementary schools are located in Dekalb County?
6 private elementary schools are located in Dekalb County.
How diverse are private elementary schools in Dekalb County?
Dekalb County private elementary schools are approximately 14% minority students, which is lower than the Illinois private school average of 32%.
What percentage of private elementary schools are religiously affiliated in Dekalb County?
83% of private elementary schools in Dekalb County are religiously affiliated (most commonly Baptist and Catholic).
Which private elementary schools in Dekalb County are often viewed compared to one another?

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