For the 2026 school year, there are 2 private schools serving 481 students in Knox County, IL (there are 25 public schools, serving 6,392 public students). 7% of all K-12 students in Knox County, IL are educated in private schools (compared to the IL state average of 12%).
Private Schools in Knox County (2026)
School
Location
Quick Facts
Costa Catholic School
(Catholic)
2726 Costa Dr
Galesburg, IL 61401
(309) 344-3151
Galesburg, IL 61401
(309) 344-3151
Gr: PK-8 | 238 students Tuition listed
Galesburg Christian School Assoc
(Christian)
1881 E Fremont St
Galesburg, IL 61401
(309) 343-8008
Galesburg, IL 61401
(309) 343-8008
Gr: PK-12 | 243 students Avg. class size: 13 students Sports: 4 | Extracurrculars: 4 Tuition listed
Overview
This County (Knox County)
This State (IL)
# Schools
2 Schools
Student Body:
# Students
481 Students
252,129 Students
% Average Students of Color
15%
34%
Academics and Faculty:
# Teachers
29 Teachers
18,877 Teachers
Average Student-Teacher Ratio
17:1
13:1
Average Class Size
13 students
16 students
Tuition and Acceptance Rate:
Average Yearly Tuition Cost
$15,000
$12,512
Average Summer Program Cost
$1,000
$943
Average % on Financial Aid
5%
34%
Average Financial Aid Grant
$1,000
$3,872
Students by Ethnicity:
Diversity Score
0.52
0.66
# American Indian Students
5 Students
605 Students
% American Indian Students
1%
n/a
# Asian Students
2 Students
10,504 Students
% Asian Students
n/a
4%
# Hispanic Students
27 Students
25,130 Students
% Hispanic Students
6%
10%
# Black Students
21 Students
21,075 Students
% Black Students
4%
9%
# White Students
315 Students
129,117 Students
% White Students
66%
51%
# Hawaiian Students
3 Students
338 Students
% Hawaiian Students
1%
n/a
# Two or more races Students
n/a
n/a
% of Two or more races Students
n/a
n/a
# Others Students
108 Students
65,550 Students
% of Others Students
22%
26%
All Ethnic Groups
Extracurriculars and Sports:
Average Number of Extracurriculars
4 extracurriculars
9 extracurriculars
Average Number of Sports
4 sports
6 sports
Frequently Asked Questions
How many private schools are located in Knox County, IL?
2 private schools are located in Knox County, IL.
What percentage of students in Knox County go to private school?
7% of all K-12 students in Knox County are educated in private schools (compared to the IL state average of 12%).
What percentage of private schools are religiously affiliated in Knox County?
Which private schools in Knox County are often viewed compared to one another?
Popular comparisons of private schools in Knox County include: Galesburg Christian School Assoc vs. Costa Catholic School, Costa Catholic School vs. Galesburg Christian School Assoc
Recent Articles
Financial Aid 101 for Private School Families 2026
Guide to private school financial aid in 2026, with current costs, key planning timelines and practical steps parents need to maximize aid options.
Why Extracurricular Activities Matter in 2026
Discover why extracurricular activities remain essential in 2026, with updated research, costs, and admissions insights for parents and students.
How to Appeal for Financial Aid After Admission
Learn how to appeal for financial aid after admission to a private school, with expert steps, timelines, and 2026 updates for families.