Private School Review - Established 2003

Ottawa Private Schools

For the 2026-27 school year, there are 2 private schools serving 518 students in Ottawa, IL, 13% of all K-12 students in Ottawa, IL are educated in private schools versus public schools (compared to the IL state average of 12%).
100% of private schools in Ottawa, IL are religiously affiliated (most commonly Catholic).

Quick Facts (26-27)

Quick Facts (26-27)

Top Ranked Ottawa Private Schools (2026-27)

Map of Marquette Academy
Marquette Academy
Gr: PK-12 | 353 students
Catholic
1000 Paul Street
Ottawa, IL 61350
(815) 433-0125
View Profile
Map of St. Columba School
St. Columba School
Gr: K-9 | 165 students
Catholic
122 West Washington Street
Ottawa, IL 61350
(815) 433-0700
View Profile

Ottawa, IL Private School Trends

2
Private Schools
518
Students
$7,930
Avg. Tuition
5%
Students of Color
13:1
Student-Teacher Ratio
Download town snapshot: CSV | XML | JSON 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.
Enrollment & Diversity
Category
This Town (Ottawa)
This State (IL)
# Schools
2 Schools
1,624 Schools
# Students
518 Students
251,324 Students
% Students of Color
5%
34%
0.22
0.66
Show more data/charts: racial breakdown
# American Indian Students
0 Students
605 Students
% American Indian Students
0%
<1%
# Asian Students
3 Students
10,480 Students
% Asian Students
1%
4%
# Hispanic Students
20 Students
25,029 Students
% Hispanic Students
4%
10%
# Black Students
3 Students
21,042 Students
% Black Students
<1%
9%
# White Students
455 Students
128,851 Students
% White Students
88%
51%
# Hawaiian Students
0 Students
338 Students
% Hawaiian Students
0%
<1%
# Others Students
37 Students
65,524 Students
% of Others Students
7%
26%
All Ethnic Groups
Academics
# Teachers
41 Teachers
18,893 Teachers
Average Student-Teacher Ratio
13:1
13:1
Tuition & Aid
Average Yearly Tuition Cost
$7,930
$10,418

Frequently Asked Questions

What are the top ranked private schools in Ottawa, IL?
The top ranked private schools in Ottawa, IL include St. Columba School and 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).

Recent Articles

Should Your Child Stay at the Same Private School K–12?
Should Your Child Stay at the Same Private School K–12?
Explore whether your child should attend the same private school from kindergarten through graduation, weighing academic continuity, friendships, changing needs, tuition costs, and opportunities at different educational stages.
When Your Child's Closest Friends Leave Private School
When Your Child's Closest Friends Leave Private School
Learn how to support your child when close friends leave private school, manage loneliness, maintain friendships, encourage new connections, recognize emotional challenges, and decide when additional school support is needed.
When Your Child Doesn't Connect With Their Teacher
When Your Child Doesn't Connect With Their Teacher
Discover when parents should intervene if their child struggles to connect with a private school teacher, including warning signs, communication strategies, classroom concerns, and practical steps toward improving relationships.
Area schools map

Filter Schools

School Level
Must Offer Grade
Show more
Gender
School Focus
Religious Affiliation
ADD/ADHD Support
Summer Program

Quick Links

SCHOOL SEARCH TOOLS:
SCHOOL BY TYPE (IL):
OPEN-HOUSES & JOBS:
PUBLIC & BOARDING SCHOOLS:
PRIVATE SCHOOL DATA: