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²ÝÁñÉçÇø School Review - Established 2003

Best Marion County ²ÝÁñÉçÇø Schools (2026-27)

For the 2026-27 school year, there are 5 private schools serving 461 students in Marion County, IL (there are , serving 6,311 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 Marion County, IL are religiously affiliated (most commonly Catholic and Lutheran Church Missouri Synod).

Quick Facts (2026-27)

Quick Facts (2026-27)

Top Ranked Marion County ²ÝÁñÉçÇø Schools (2026-27)

Map of New Horizon Christian School
New Horizon Christian School
Gr: K-8 | 125 students
Avg. class size: 12 students
Sports: 5 | Extracurriculars: 1
Christian
12 Greenview Church Road
Centralia, IL 62801
(618) 533-6910
View Profile
St. Mary School Photo
St. Mary School
Gr: PK-8 | 114 students
Avg. class size: 20 students
Sports: 6
Catholic
424 E. Broadway
Centralia, IL 62801
(618) 532-3473
View Profile
Map of Christ Our Rock Lutheran High School
Christ Our Rock Lutheran High School
Gr: 9-12 | 108 students
Avg. class size: 15 students
Sports: 10
Lutheran Church Missouri Synod
9545 Shatuc Rd
Centralia, IL 62801
(618) 226-3315
View Profile
Map of St. Theresa Of Avila
St. Theresa Of Avila
Gr: NS-8 | 53 students
Sports: 3 | Extracurriculars: 2
Catholic
190 N Ohio Ave
Salem, IL 62881
(618) 548-3492
View Profile
Map of Trinity Lutheran School
Trinity Lutheran School
Gr: PK-8 | 61 students
Lutheran Church Missouri Synod
203 S Pleasant Ave
Centralia, IL 62801
(618) 532-5434
View Profile

Overview

Category
This State (IL)
US
# Schools
5 Schools

Trends in Total Number of ²ÝÁñÉçÇø Schools

YearMarion County Total Schools
20255
20245
20235
20225
20215
20205
20195
20185
20175
20165
20154
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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
461 Students
251,321 Students

Trends in the Average Number of Students Per ²ÝÁñÉçÇø School

YearMarion County AverageIllinois (IL) AverageNational Average
202592166179
202492162172
2023102171174
202294178185
202194174180
202094168171
2019104174175
2018104171172
2017104177180
2016102175178
2015102168167
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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.

% Average Students of Color
38%
34%

Percentage of Students of Color Trends (2015-2025)

YearMarion County AverageIllinois (IL) AverageNational Average
202538%34%34%
202438%34%34%
20237%34%33%
20226%34%33%
20216%34%32%
20206%35%32%
20199%33%31%
20188%33%31%
20178%34%32%
20168%34%32%
20158%35%32%
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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.

Academics and Faculty:

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

Student-Teacher Ratio Trends (2015-2025)

YearMarion County AverageIllinois (IL) AverageNational Average
202513:113:111:1
202413:113:111:1
202314:113:111:1
202212:113:111:1
202112:113:111:1
202012:113:112:1
201913:113:112:1
201813:114:112:1
201712:114:112:1
201612:114:112:1
201513:114:112:1
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% Average Faculty w/Advanced Degree
20%
53%

Percentage of Faculty With Advanced Degrees Trends (2019-2025)

YearMarion County AverageIllinois (IL) AverageNational Average
202520%53%55%
202420%52%54%
202320%50%54%
202220%51%54%
202120%50%54%
202020%50%54%
201920%50%53%
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Average Class Size
16 students
16 students

Class Size Trends (2015-2025)

YearMarion County AverageIllinois (IL) AverageNational Average
2025161615
2024161715
2023161715
2022141715
2021141715
2020141715
2019141715
2018141715
2017141715
2016121715
2015121715
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Average Number of AP Courses
15 courses
11 courses
Average ACT score
25
(Out of 36)
25

ACT Score Trends (2017-2025)

YearMarion County AverageIllinois (IL) AverageNational Average
2025252526
2024252526
2023252526
2022252526
2021252526
2020252525
2019252525
2018252525
2017252525
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Tuition and Acceptance Rate:

Average Yearly Tuition Cost
$24,500
$12,436

Tuition Cost Trends (2019-2025)

YearMarion County AverageIllinois (IL) AverageNational Average
2025$24,500$12,671$15,012
2024$4,000$9,594$13,254
2023$4,000$8,924$12,626
2022$4,000$8,609$12,187
2021$4,000$8,334$11,800
2020$4,000$8,312$11,512
2019$4,000$8,068$11,293
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Average % on Financial Aid
20%
34%

Percent on Financial Aid Trends (2017-2025)

YearMarion County AverageIllinois (IL) AverageNational Average
202520%34%34%
202420%33%34%
202320%33%34%
202220%32%33%
202120%31%33%
202020%32%32%
201920%31%31%
201820%30%30%
201720%29%30%
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Students by Ethnicity:

0.65
0.66

Diversity Score Trends

YearMarion County AverageIllinois (IL) AverageNational Average
20250.650.660.65
20240.650.660.65
20230.400.660.65
20220.200.650.64
20210.200.650.64
20200.200.660.64
20190.300.650.63
20180.300.650.63
20170.330.620.61
20160.310.620.61
20150.330.630.61
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# American Indian Students
n/a
605 Students
% American Indian Students
n/a
n/a
# Asian Students
137 Students
10,480 Students
% Asian Students
29%
4%

Asian Student Percentage Trends

YearMarion County AverageIllinois (IL) AverageNational Average
202529%5%5%
202429%5%5%
20232%5%5%
20221%4%4%
20211%5%4%
20201%4%4%
20192%4%4%
20182%5%4%
20172%4%4%
20162%3%4%
20151%4%4%
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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.

# Hispanic Students
7 Students
25,032 Students
% Hispanic Students
1%
10%

Hispanic Student Percentage Trends

YearMarion County AverageIllinois (IL) AverageNational Average
20251%10%9%
20241%10%9%
20232%10%9%
20222%10%8%
20212%10%9%
20202%10%9%
20192%9%8%
20182%9%8%
20172%9%8%
20162%9%8%
20151%9%8%
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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.

# Black Students
15 Students
21,046 Students
% Black Students
3%
9%

Black Student Percentage Trends

YearMarion County AverageIllinois (IL) AverageNational Average
20253%8%7%
20243%8%7%
20232%8%8%
20222%8%7%
20212%8%7%
20202%9%8%
20192%9%7%
20182%9%7%
20171%9%7%
20161%9%7%
20151%9%8%
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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.

# White Students
233 Students
128,859 Students
% White Students
49%
51%

White Student Percentage Trends

YearMarion County AverageIllinois (IL) AverageNational Average
202549%51%52%
202449%51%52%
202375%51%52%
202289%53%54%
202189%52%54%
202089%52%54%
201983%53%56%
201883%53%56%
201780%56%58%
201683%56%58%
201581%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
80 Students
65,474 Students
% of Others Students
17%
26%

Other Races Student Percentage Trends

YearMarion County AverageIllinois (IL) AverageNational Average
202517%26%26%
202417%26%26%
202319%26%25%
20226%25%25%
20216%25%25%
20206%25%24%
201911%25%24%
201811%24%23%
201715%22%22%
201612%23%22%
201516%23%21%
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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.

All Ethnic Groups

Extracurriculars and Sports:

Average Number of Extracurriculars
2 extracurriculars
9 extracurriculars
Average Number of Sports
6 sports
6 sports

Frequently Asked Questions

What are the top ranked private schools in Marion County, IL?
The top ranked private schools in Marion County, IL include St. Mary School and New Horizon Christian School.
How many private schools are located in Marion County?
5 private schools are located in Marion County.
How diverse are private schools in Marion County?
Marion County private schools are approximately 38% minority students, which is higher than the Illinois private school average of 34%.
What percentage of students in Marion County go to private school?
7% of all K-12 students in Marion County are educated in private schools (compared to the IL state average of 12%).
What percentage of private schools are religiously affiliated in Marion County?
100% of private schools in Marion County are religiously affiliated (most commonly Catholic and Lutheran Church Missouri Synod).
Which private schools in Marion County are often viewed compared to one another?

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