Private School Review - Established 2003

Best Knox County Private Schools (2026-27)

For the 2026-27 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 are educated in private schools (compared to the IL state average of 12%).
100% of private schools in Knox County, IL are religiously affiliated (most commonly Catholic and Christian).

Quick Facts (2026-27)

Quick Facts (2026-27)

Private Schools in Knox County (2026-27)

Map of Costa Catholic School
Costa Catholic School
Gr: PK-8 | 238 students
Catholic
2726 Costa Dr
Galesburg, IL 61401
(309) 344-3151
View Profile
Map of Galesburg Christian School Assoc
Galesburg Christian School Assoc
Gr: PK-12 | 243 students
Avg. class size: 13 students
Sports: 4 | Extracurriculars: 4
Christian
1881 E Fremont St
Galesburg, IL 61401
(309) 343-8008
View Profile

Overview

Category
This State (IL)
US
# Schools
2 Schools

Trends in Total Number of Private Schools

YearKnox County Total Schools
20252
20242
20232
20222
20212
20202
20192
20182
20172
20162
20152
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Note: 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. See our Terms of Service.

# Students
481 Students
251,321 Students

Trends in the Average Number of Students Per Private School

YearKnox County AverageIllinois (IL) AverageNational Average
2025241166179
2024241162172
2023248171174
2022248178185
2021219174180
2020219168171
2019219174175
2018185171172
2017172177180
2016172175178
2015143168167
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% Average Students of Color
15%
34%

Percentage of Students of Color Trends (2015-2025)

YearKnox County AverageIllinois (IL) AverageNational Average
202515%34%34%
202415%34%34%
202314%34%33%
202220%34%33%
202115%34%32%
202015%35%32%
201920%33%31%
201816%33%31%
201716%34%32%
201616%34%32%
201520%35%32%
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Academics and Faculty:

# Teachers
29 Teachers
18,870 Teachers
Average Student-Teacher Ratio
17:1
13:1

Student-Teacher Ratio Trends (2015-2025)

YearKnox County AverageIllinois (IL) AverageNational Average
202517:113:111:1
202417:113:111:1
202311:113:111:1
202211:113:111:1
202113:113:111:1
202013:113:112:1
201913:113:112:1
201814:114:112:1
201712:114:112:1
201612:114:112:1
201511:114:112:1
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Average Class Size
13 students
16 students

Class Size Trends (2016-2025)

YearKnox County AverageIllinois (IL) AverageNational Average
2025131615
2024131715
2023131715
2022131715
2021111715
2020111715
2019111715
2018251715
2017251715
2016251715
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Tuition and Acceptance Rate:

Average Yearly Tuition Cost
$15,000
$12,436

Tuition Cost Trends (2016-2025)

YearKnox County AverageIllinois (IL) AverageNational Average
2025$15,000$12,671$15,012
2024$5,000$9,594$13,254
2023$5,000$8,924$12,626
2022$5,000$8,609$12,187
2021$4,500$8,334$11,800
2020$4,500$8,312$11,512
2019$4,500$8,068$11,293
2016$4,200$7,289$10,356
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Average Summer Program Cost
$1,000
$961

Summer Program Cost Trends (2019-2025)

YearKnox County AverageIllinois (IL) AverageNational Average
2025$1,000$943$1,152
2024$1,000$947$1,128
2023$1,000$1,009$1,156
2022$1,000$1,138$1,102
2021$900$672$1,125
2020$900$667$1,217
2019$900$687$1,305
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Average % on Financial Aid
5%
34%

Percent on Financial Aid Trends (2016-2025)

YearKnox County AverageIllinois (IL) AverageNational Average
20255%34%34%
20245%33%34%
20235%33%34%
20225%32%33%
20215%31%33%
20205%32%32%
20195%31%31%
201810%30%30%
201710%29%30%
201610%29%29%
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Average Financial Aid Grant
$1,000
$4,403

Financial Aid Grant Trends (2016-2025)

YearKnox County AverageIllinois (IL) AverageNational Average
2025$1,000$3,868$7,073
2024$1,000$3,415$6,930
2023$1,000$2,426$6,469
2022$1,000$2,492$6,289
2021$1,600$2,514$6,055
2020$1,600$2,509$5,921
2019$1,600$2,541$5,795
2018$500$2,466$5,456
2017$500$2,525$5,319
2016$500$2,614$5,105
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Students by Ethnicity:

0.52
0.66

Diversity Score Trends

YearKnox County AverageIllinois (IL) AverageNational Average
20250.520.660.65
20240.520.660.65
20230.510.660.65
20220.510.650.64
20210.540.650.64
20200.540.660.64
20190.540.650.63
20180.580.650.63
20170.570.620.61
20160.570.620.61
20150.520.630.61
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# American Indian Students
5 Students
605 Students
% American Indian Students
1%
n/a
# Asian Students
2 Students
10,480 Students
% Asian Students
n/a
4%

Asian Student Percentage Trends

YearKnox County AverageIllinois (IL) AverageNational Average
20233%5%5%
20223%4%4%
20213%5%4%
20203%4%4%
20193%4%4%
20183%5%4%
20173%4%4%
20163%3%4%
20153%4%4%
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# Hispanic Students
27 Students
25,032 Students
% Hispanic Students
6%
10%

Hispanic Student Percentage Trends

YearKnox County AverageIllinois (IL) AverageNational Average
20256%10%9%
20246%10%9%
20233%10%9%
20223%10%8%
20213%10%9%
20203%10%9%
20193%9%8%
20184%9%8%
20175%9%8%
20165%9%8%
20156%9%8%
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# Black Students
21 Students
21,046 Students
% Black Students
4%
9%

Black Student Percentage Trends

YearKnox County AverageIllinois (IL) AverageNational Average
20254%8%7%
20244%8%7%
20231%8%8%
20221%8%7%
20211%8%7%
20201%9%8%
20191%9%7%
20181%9%7%
20171%9%7%
20161%9%7%
20151%9%8%
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# White Students
315 Students
128,859 Students
% White Students
66%
51%

White Student Percentage Trends

YearKnox County AverageIllinois (IL) AverageNational Average
202565%51%52%
202465%51%52%
202330%51%52%
202230%53%54%
202135%52%54%
202035%52%54%
201935%53%56%
201841%53%56%
201754%56%58%
201654%56%58%
201565%55%58%
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# 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
65,474 Students
% of Others Students
22%
26%

Other Races Student Percentage Trends

YearKnox County AverageIllinois (IL) AverageNational Average
202522%26%26%
202422%26%26%
202363%26%25%
202263%25%25%
202158%25%25%
202058%25%24%
201958%25%24%
201851%24%23%
201737%22%22%
201637%23%22%
201525%23%21%
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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?
100% of private schools in Knox County are religiously affiliated (most commonly Catholic and Christian).
Which private schools in Knox County are often viewed compared to one another?

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