For the 2026 school year, there are 9 private schools serving 724 students in Dekalb County, IL (there are , serving 16,209 public students). 4% 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 Baptist and Catholic).
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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?
A 2026 parent guide to choosing the right private school, with updated admissions timelines, tuition trends, affordability strategies, and expert insights.
