St. Michael The Archangel Catholic School Photo

Best Lasalle County Private Schools (2026)

For the 2026 school year, there are 11 private schools serving 1,709 students in Lasalle County, IL (there are 53 public schools, serving 15,041 public students). 10% of all K-12 students in Lasalle County, IL are educated in private schools (compared to the IL state average of 12%).
The top-ranked private schools in Lasalle County, IL include St. Columba School, Marquette Academy, and St. Bede Academy.
The average acceptance rate is 93%, which is higher than the Illinois private school average acceptance rate of 85%.
91% of private schools in Lasalle County, IL are religiously affiliated (most commonly Catholic and Seventh Day Adventist).

Top-Ranked Lasalle County Private Schools (2026)

School
Location
Quick Facts
Marquette Academy
(Catholic)
1000 Paul Street
Ottawa, IL 61350
(815) 433-0125
Gr: PK-12 | 353 students Tuition listed
St. Bede Academy
St. Bede Academy Photo
(Catholic)
24 W Us Highway 6
Peru, IL 61354
(815) 223-3140
Gr: 9-12 | 282 students Avg. class size: 18 students Sports: 14 | Extracurrculars: 18 Tuition & acceptance rate listed
St. Columba School
(Catholic)
122 West Washington Street
Ottawa, IL 61350
(815) 433-0700
Gr: K-9 | 165 students
Holy Cross Elementary School
(Catholic)
1008 Jefferson St
Mendota, IL 61342
(815) 539-7003
Gr: PK-8 | 174 students
Holy Family Elementary School
(Catholic)
336 Alice Ave
Oglesby, IL 61348
(815) 883-8916
Gr: PK-8 | 173 students
La Salle Peru Christian School
(Baptist)
200 24th St
La Salle, IL 61301
(815) 223-1037
Gr: PK-8 | 15 students
Lighted Way Association
Special Education School
1445 Chartres St
La Salle, IL 61301
(815) 224-1345
Gr: PK-12 | 58 students Tuition listed
Peru Catholic School
(Catholic)
2003 5th St
Peru, IL 61354
(815) 224-1914
Gr: PK-8 | 175 students Avg. class size: 18 students Sports: 5 Tuition & acceptance rate listed
410 S Park St
Streator, IL 61364
(815) 672-3847
Gr: PK-8 | 173 students Avg. class size: 15 students Sports: 6 Tuition listed
Sheridan Sda Elementary School
(Seventh Day Adventist)
3904 E 2603rd Rd
Sheridan, IL 60551
(815) 496-2947
Gr: 2-8 | 10 students
Trinity Catholic Academy
(Catholic)
650 4th St
La Salle, IL 61301
(815) 223-8523
Gr: PK-8 | 131 students Tuition listed
[+] Show Closed Private Schools in Lasalle County, Illinois

Lasalle County Private Schools (Closed)

School
Location
Quick Facts
807 East Lundy Street
Streator, IL 61364
(815) 672-3265
Gr: PK-8 | 101 students

Overview

This County (Lasalle County)
This State (IL)
# Schools
11 Schools

Student Body:

# Students
1,709 Students
252,125 Students
% Average Students of Color
15%
34%

Academics and Faculty:

# Teachers
139 Teachers
18,878 Teachers
Average Student-Teacher Ratio
12:1
13:1
% Average Faculty w/Advanced Degree
34%
53%
Average Class Size
17 students
16 students
Average Number of AP Courses
6 courses
10 courses
Average SAT score
1240
(Out of 1600)
1258
Average ACT score
28
(Out of 36)
25

Tuition and Acceptance Rate:

Average Yearly Tuition Cost
$9,504
$12,512
Average % on Financial Aid
35%
34%
Average Financial Aid Grant
$2,500
$3,872
Average Acceptance Rate
93%
85%

Students by Ethnicity:

0.44
0.66
# American Indian Students
n/a
605 Students
% American Indian Students
n/a
n/a
# Asian Students
38 Students
10,504 Students
% Asian Students
2%
4%
# Hispanic Students
157 Students
25,130 Students
% Hispanic Students
9%
10%
# Black Students
14 Students
21,075 Students
% Black Students
1%
9%
# White Students
1,255 Students
129,117 Students
% White Students
74%
51%
# Hawaiian Students
3 Students
338 Students
% Hawaiian Students
n/a
n/a
# Two or more races Students
n/a
n/a
% of Two or more races Students
n/a
n/a
# Others Students
242 Students
65,546 Students
% of Others Students
14%
26%
All Ethnic Groups

Extracurriculars and Sports:

Average Number of Extracurriculars
18 extracurriculars
9 extracurriculars
Average Number of Sports
8 sports
6 sports

Frequently Asked Questions

What are the top-ranked private schools in Lasalle County, IL?
The top-ranked private schools in Lasalle County, IL include St. Columba School, Marquette Academy, and St. Bede Academy.
How many private schools are located in Lasalle County?
11 private schools are located in Lasalle County.
How diverse are private schools in Lasalle County?
Lasalle County private schools are approximately 15% minority students, which is lower than the Illinois private school average of 34%.
What percentage of students in Lasalle County go to private school?
10% of all K-12 students in Lasalle County are educated in private schools (compared to the IL state average of 12%).
What percentage of private schools are religiously affiliated in Lasalle County?
91% of private schools in Lasalle County are religiously affiliated (most commonly Catholic and Seventh Day Adventist).
Which private schools in Lasalle County are often viewed compared to one another?

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