Hillcrest Drive KinderCare Photo - Sensory Fun

Best Dekalb County Private Schools (2025)

For the 2025 school year, there are 9 private schools serving 785 students in Dekalb County, IL (there are 42 public schools, serving 16,209 public students). 5% of all K-12 students in Dekalb County, IL are educated in private schools (compared to the IL state average of 12%).
The top ranked private school in Dekalb County, IL is St. Mary School.
56% of private schools in Dekalb County, IL are religiously affiliated (most commonly Catholic and Baptist).

Top Ranked Dekalb County Private Schools (2025)

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
For Kids Only Inc. #2
705 S Main Street
Sandwich, IL 60548
(815) 786-8914
Gr: NS-PK | 40 students
Hillcrest Drive KinderCare
Hillcrest Drive KinderCare Photo - Sensory Fun
Daycare / Preschool
207 E Hillcrest Dr.
Dekalb, IL 60115
(815) 758-1541
Gr: NS-PK
26555 Brickville Rd
Sycamore, IL 60178
(815) 895-0303
Gr: K | 4 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 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?
5% 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 Catholic and Baptist).
Which private schools in Dekalb County are often viewed compared to one another?

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