For the 2026 school year, there are 10 private elementary schools serving 1,427 students in Lasalle County, IL.
The top-ranked private elementary schools in Lasalle County, IL include Marquette Academy and St. Columba School.
The average acceptance rate is 100%, which is higher than the Illinois private elementary school average acceptance rate of 85%.
90% of private elementary schools in Lasalle County, IL are religiously affiliated (most commonly Catholic and Seventh Day Adventist).
Top-Ranked Lasalle County Private Elementary Schools (2026)
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
Holy Cross Elementary School
(Catholic)
1008 Jefferson St
Mendota, IL 61342
(815) 539-7003
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
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
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
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
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
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
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
La Salle, IL 61301
(815) 223-8523
Gr: PK-8 | 131 students Tuition listed
Lasalle County Private Schools (Closed)
School
Location
Quick Facts
St. Stephen School (Closed 2006)
(Catholic)
807 East Lundy Street
Streator, IL 61364
(815) 672-3265
Streator, IL 61364
(815) 672-3265
Gr: PK-8 | 101 students
Overview
This County (Lasalle County)
This State (IL)
# Schools
10 Schools
Student Body:
# Students
1,427 Students
184,580 Students
% Average Students of Color
14%
32%
Academics and Faculty:
# Teachers
110 Teachers
14,060 Teachers
Average Student-Teacher Ratio
13:1
13:1
% Average Faculty w/Advanced Degree
3%
50%
Average Class Size
17 students
17 students
Average Number of AP Courses
5 courses
9 courses
Tuition and Acceptance Rate:
Average Yearly Tuition Cost
$4,338
$11,006
Average Acceptance Rate
100%
85%
Students by Ethnicity:
Diversity Score
0.44
0.64
# American Indian Students
n/a
497 Students
% American Indian Students
n/a
n/a
# Asian Students
8 Students
8,659 Students
% Asian Students
n/a
5%
# Hispanic Students
139 Students
17,462 Students
% Hispanic Students
10%
9%
# Black Students
13 Students
14,666 Students
% Black Students
1%
8%
# White Students
1,036 Students
99,938 Students
% White Students
73%
54%
# Hawaiian Students
3 Students
290 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
228 Students
43,988 Students
% of Others Students
16%
24%
All Ethnic Groups
Extracurriculars and Sports:
Average Number of Sports
6 sports
5 sports
Frequently Asked Questions
What are the top-ranked private elementary schools in Lasalle County, IL?
The top-ranked private elementary schools in Lasalle County, IL include Marquette Academy and St. Columba School.
How many private elementary schools are located in Lasalle County?
10 private elementary schools are located in Lasalle County.
How diverse are private elementary schools in Lasalle County?
Lasalle County private elementary schools are approximately 14% minority students, which is lower than the Illinois private school average of 32%.
What percentage of private elementary schools are religiously affiliated in Lasalle County?
90% of private elementary schools in Lasalle County are religiously affiliated (most commonly Catholic and Seventh Day Adventist).
Which private elementary schools in Lasalle County are often viewed compared to one another?
Popular comparisons of private elementary schools in Lasalle County include: Peru Catholic School vs. Trinity Catholic Academy, Trinity Catholic Academy vs. Peru Catholic School, Holy Family Elementary School vs. Holy Cross Elementary School
Recent Articles
Navigating Private School Finances 2026
Essential 2026 guide for parents on private school costs, financial aid, and planning strategies.
Preparation for Standardized Tests & College Admissions 2026
A 2026 guide for private school test prep and college admissions strategies, with insights, trends, and best practices for families and educators.
Mental Health & Wellness Support in Private Schools: Key Questions for Parents
Discover essential questions about mental health & wellness support in private schools before enrolling, with 2026 updates for informed decisions.
