Best Dekalb County Private Elementary Schools (2025-26)

For the 2025-26 school year, there are 6 private elementary schools serving 741 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 (2025-26)

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
355 N Cross St
Sycamore, IL 60178
(815) 895-8522
Gr: PK-8 | 212 students
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

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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