For the 2025 school year, there are 2 private schools serving 518 students in Ottawa, IL (there are 12 public schools, serving 3,550 public students). 13% of all K-12 students in Ottawa, IL are educated in private schools (compared to the IL state average of 12%).
The top ranked private school in Ottawa, IL is Marquette Academy.
100% of private schools in Ottawa, IL are religiously affiliated (most commonly Catholic).
Top Ranked Ottawa Private Schools (2025)
School
Location
Grades
Students
Marquette Academy
(Catholic)
1000 Paul Street
Ottawa, IL 61350
(815) 433-0125
Ottawa, IL 61350
(815) 433-0125
Grades: PK-12
| 353 students
St. Columba School
(Catholic)
122 West Washington Street
Ottawa, IL 61350
(815) 433-0700
Ottawa, IL 61350
(815) 433-0700
Grades: K-9
| 165 students
Frequently Asked Questions
What are the top ranked private schools in Ottawa, IL?
The top ranked private schools in Ottawa, IL is Marquette Academy.
How many private schools are located in Ottawa?
2 private schools are located in Ottawa.
What percentage of students in Ottawa go to private school?
13% of all K-12 students in Ottawa are educated in private schools (compared to the IL state average of 12%).
What percentage of private schools are religiously affiliated in Ottawa?
100% of private schools in Ottawa are religiously affiliated (most commonly Catholic).
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