For the 2025-26 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%).
100% of private schools in Ottawa, IL are religiously affiliated (most commonly Catholic).
Top Ranked Ottawa Private Schools (2025-26)
School
Location
Quick Facts
Marquette Academy
(Catholic)
1000 Paul Street
Ottawa, IL 61350
(815) 433-0125
Ottawa, IL 61350
(815) 433-0125
Gr: PK-12 | 353 students Tuition listed
St. Columba School
(Catholic)
122 West Washington Street
Ottawa, IL 61350
(815) 433-0700
Ottawa, IL 61350
(815) 433-0700
Gr: K-9 | 165 students
Frequently Asked Questions
What are the top ranked private schools in Ottawa, IL?
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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