Private School Review - Established 2003

Decatur Private Schools (2026-27)

For the 2026-27 school year, there are 8 private schools serving 1,478 students in Decatur, IL, 16% of all K-12 students in Decatur, IL are educated in private schools versus public schools (compared to the IL state average of 12%).
The average acceptance rate is 40%, which is lower than the Illinois private school average acceptance rate of 85%.
88% of private schools in Decatur, IL are religiously affiliated (most commonly Catholic and Pentecostal).

Quick Facts (2026-27)

Quick Facts (2026-27)

Top Ranked Decatur Private Schools (2026-27)

Map of Hillside Bethel Christian School
Hillside Bethel Christian School
Gr: PK-10 | 17 students
Pentecostal
3575 E Greenhill Rd
Decatur, IL 62521
(217) 429-5590
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Map of Holy Family Catholic School
Holy Family Catholic School
Gr: PK-8 | 274 students
Catholic
2400 S Franklin Street Rd
Decatur, IL 62521
(217) 423-7049
View Profile
Map of Lutheran School Association
Lutheran School Association
Gr: PK-12 | 396 students
Lutheran Church Missouri Synod
2001 E Mound Rd
Decatur, IL 62526
(217) 233-2001
View Profile
Map of Our Lady Of Lourdes School
Our Lady Of Lourdes School
Gr: PK-8 | 260 students
Catholic
3950 Lourdes Dr
Decatur, IL 62526
(217) 877-4408
View Profile
Prairie Flower Montessori School Photo
Prairie Flower Montessori School
Gr: PK-K | 92 students
Avg. class size: 15 students
Extracurriculars: 1
Montessori School
3130 Turpin Road
Decatur, IL 62521
(217) 423-5200
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Map of St. Patrick School
St. Patrick School
Gr: PK-8 | 188 students
Avg. class size: 15 students
Sports: 6 | Extracurriculars: 9
Catholic
412 N Jackson St
Decatur, IL 62523
(217) 423-4351
View Profile
Map of St. Teresa High School
St. Teresa High School
Gr: 9-12 | 227 students
Catholic
2710 N Water St
Decatur, IL 62526
(217) 875-2431
View Profile
Map of Antioch Christian Academy
Antioch Christian Academy
Gr: K-6 | 24 students
Baptist
3475 N Maple Ave
Decatur, IL 62526
(217) 875-0529
View Profile
[+] Show Closed Private Schools in Decatur, Illinois

Decatur, Illinois Private Schools (Closed)

Map of St. James School
St. James School
Gr: K-8 | 106 students
Catholic
249 S Webster Street
Decatur, IL 62521
(217) 422-7031
View Profile

Decatur, IL Private School Trends (10-Year)

8
Private Schools
-27.3% (-3 schools) 10-yr
1,478
Students
-20.1% (-371 students) 10-yr
$9,740
Avg. Tuition
+361.6% (+$7,630) 10-yr
15
Avg. Class Size
+36.4% (+4 students) 10-yr
16%
Students of Color
-11.1% (-2.0 pp) 10-yr
14:1
Student-Teacher Ratio
+7.7% (+1.0) 10-yr
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Enrollment & Diversity
Category
This Town (Decatur)
This State (IL)
# Schools
8 Schools
1,624 Schools

Trends in Total Number of Private Schools

YearDecatur, IL Total Schools
20258
20248
20238
20228
20218
20208
20198
20188
20178
20169
201511
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# Students
1,478 Students
251,350 Students

Trends in the Average Number of Students Per Private School

YearDecatur, IL AvgIllinois (IL)National
2025185166179
2024185162172
2023179171174
2022185178185
2021185174180
2020185168171
2019194174175
2018194171172
2017210177180
2016193175178
2015168168167
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% Students of Color
16%
34%

Percentage of Students of Color Trends (2015-2025)

YearDecatur, IL AvgIllinois (IL)National
202516%34%34%
202416%34%34%
202314%34%33%
202214%34%33%
202114%34%32%
202014%35%32%
201916%33%31%
201816%33%31%
201716%34%32%
201616%34%32%
201518%35%32%
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0.57
0.66

Diversity Score Trends

YearDecatur, IL AvgIllinois (IL)National
20250.570.660.65
20240.570.660.65
20230.540.660.65
20220.490.650.64
20210.490.650.64
20200.490.660.64
20190.480.650.63
20180.480.650.63
20170.430.620.61
20160.430.620.61
20150.440.630.61
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Show more data/charts: racial breakdown
# American Indian Students
3 Students
605 Students
% American Indian Students
n/a
n/a
# Asian Students
23 Students
10,480 Students
% Asian Students
2%
4%

Asian Student Percentage Trends

YearDecatur, IL AvgIllinois (IL)National
20252%5%5%
20242%5%5%
20232%5%5%
20222%4%4%
20212%5%4%
20202%4%4%
20192%4%4%
20182%5%4%
20172%4%4%
20162%3%4%
20152%4%4%
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# Hispanic Students
38 Students
25,032 Students
% Hispanic Students
3%
10%

Hispanic Student Percentage Trends

YearDecatur, IL AvgIllinois (IL)National
20253%10%9%
20243%10%9%
20232%10%9%
20222%10%8%
20212%10%9%
20202%10%9%
20192%9%8%
20182%9%8%
20171%9%8%
20161%9%8%
20151%9%8%
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# Black Students
96 Students
21,046 Students
% Black Students
6%
9%

Black Student Percentage Trends

YearDecatur, IL AvgIllinois (IL)National
20256%8%7%
20246%8%7%
20235%8%8%
20227%8%7%
20217%8%7%
20207%9%8%
20199%9%7%
20189%9%7%
20177%9%7%
20167%9%7%
201510%9%8%
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# White Students
846 Students
128,862 Students
% White Students
57%
51%

White Student Percentage Trends

YearDecatur, IL AvgIllinois (IL)National
202557%51%52%
202457%51%52%
202361%51%52%
202269%53%54%
202169%52%54%
202069%52%54%
201970%53%56%
201870%53%56%
201774%56%58%
201673%56%58%
201573%55%58%
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# Hawaiian Students
2 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
470 Students
65,479 Students
% of Others Students
32%
26%

Other Races Student Percentage Trends

YearDecatur, IL AvgIllinois (IL)National
202532%26%26%
202432%26%26%
202329%26%25%
202220%25%25%
202120%25%25%
202020%25%24%
201917%25%24%
201817%24%23%
201716%22%22%
201617%23%22%
201514%23%21%
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All Ethnic Groups
Academics
# Teachers
103 Teachers
18,872 Teachers
Average Student-Teacher Ratio
14:1
13:1

Student-Teacher Ratio Trends (2015-2025)

YearDecatur, IL AvgIllinois (IL)National
202514:113:111:1
202414:113:111:1
202316:113:111:1
202213:113:111:1
202113:113:111:1
202013:113:112:1
201913:113:112:1
201813:114:112:1
201714:114:112:1
201613:114:112:1
201513:114:112:1
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% Average Faculty w/Advanced Degree
41%
53%

Percentage of Faculty With Advanced Degrees Trends (2015-2025)

YearDecatur, IL AvgIllinois (IL)National
202541%53%55%
202441%52%54%
202341%50%54%
202241%51%54%
202141%50%54%
202041%50%54%
201941%50%53%
201841%49%53%
201741%48%53%
201633%49%52%
201511%50%52%
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Average Class Size
15 students
16 students

Class Size Trends (2015-2025)

YearDecatur, IL AvgIllinois (IL)National
2025151615
2024151715
2023151715
2022151715
2021151715
2020151715
2019151715
2018151715
2017151715
2016121715
2015111715
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Tuition & Aid
Average Yearly Tuition Cost
$9,740
$12,457

Tuition Cost Trends (2015-2025)

YearDecatur, IL AvgIllinois (IL)National
2025$9,740$12,671$15,012
2024$2,110$9,594$13,254
2023$2,110$8,924$12,626
2022$2,110$8,609$12,187
2021$2,110$8,334$11,800
2020$2,110$8,312$11,512
2019$2,110$8,068$11,293
2018$2,110$7,898$11,017
2017$2,110$7,863$10,708
2016$2,110$7,289$10,356
2015$2,110$7,003$9,939
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Average Summer Program Cost
$902
$961

Summer Program Cost Trends (2019-2025)

YearDecatur, IL AvgIllinois (IL)National
2025$902$943$1,152
2024$902$947$1,128
2023$902$1,009$1,156
2022$902$1,138$1,102
2021$902$672$1,125
2020$902$667$1,217
2019$902$687$1,305
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Admissions & Athletics
Average Acceptance Rate
40%
85%

Acceptance Rate Trends (2015-2025)

YearDecatur, IL AvgIllinois (IL)National
202540%84%81%
201690%92%85%
201590%92%85%
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Average Number of Extracurriculars
5 extracurriculars
9 extracurriculars
Average Number of Sports
6 sports
6 sports

Frequently Asked Questions

What are the top ranked private schools in Decatur, IL?
The top ranked private schools in Decatur, IL include Lutheran School Association, Holy Family Catholic School, and Prairie Flower Montessori School.
How many private schools are located in Decatur?
8 private schools are located in Decatur.
How diverse are private schools in Decatur?
Decatur private schools are approximately 16% minority students, which is lower than the Illinois private school average of 34%.
What percentage of students in Decatur go to private school?
16% of all K-12 students in Decatur are educated in private schools (compared to the IL state average of 12%).
What percentage of private schools are religiously affiliated in Decatur?
88% of private schools in Decatur are religiously affiliated (most commonly Catholic and Pentecostal).
Which private schools in Decatur are often viewed compared to one another?

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