Private School Review - Established 2003

Best Adams County Private High Schools (2026-27)

For the 2026-27 school year, there are 5 private high schools serving 799 students in Adams County, IL.
80% of private high schools in Adams County, IL are religiously affiliated (most commonly Catholic and African Methodist Episcopal).

Quick Facts (2026-27)

Quick Facts (2026-27)

Top Ranked Adams County Private High Schools (2026-27)

Map of Chaddock
Chaddock
Gr: K-12 | 77 students
Special Education School (African Methodist Episcopal)
205 S 24th St
Quincy, IL 62301
(217) 592-0323
(1)
View Profile
Map of Quincy Notre Dame High School
Quincy Notre Dame High School
Gr: 9-12 | 428 students
Avg. class size: 19 students
Catholic
1400 S 11th St
Quincy, IL 62301
(217) 653-3964
View Profile
Map of St. Francis Solanus School
St. Francis Solanus School
Gr: PK-9 | 237 students
Avg. class size: 20 students
Catholic
1720 College Avenue
Quincy, IL 62301
(217) 222-4077
(2)
View Profile
Map of Quincy Area Christian School Association
Quincy Area Christian School Association
Gr: PK-12 | 39 students
Christian
1236 North 10th St.
Quincy, IL 62301
(217) 223-5698
View Profile
Map of Transitions School
Transitions School
Gr: K-11 | 18 students
Special Education School
722 Hampshire St
Quincy, IL 62301
(217) 223-9694
View Profile
[+] Show Closed Private Schools in Adams County, Illinois

Adams County Private High Schools (Closed)

Map of St. Boniface Elementary School
St. Boniface Elementary School
Gr: PK-8 | 79 students
Catholic
732 Hampshire St
Quincy, IL 62301
(217) 223-6999
View Profile

Overview

Category
This State (IL)
US
# Schools
5 Schools

Trends in Total Number of Private High Schools

YearAdams County Total Schools
20255
20245
20234
20224
20214
20204
20194
20184
20176
20166
20156
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# Students
799 Students
89,976 Students

Trends in the Average Number of Students Per Private High School

YearAdams County AverageIllinois (IL) AverageNational Average
2025160238253
2024160230245
2023195248247
2022208255257
2021208247249
2020208233235
2019212252242
2018212243238
2017226239246
2016226238241
2015226230220
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% Average Students of Color
5%
35%

Percentage of Students of Color Trends (2015-2025)

YearAdams County AverageIllinois (IL) AverageNational Average
20255%35%32%
20245%35%31%
20234%34%31%
20225%34%30%
20215%34%30%
20205%34%29%
20195%32%29%
20185%33%28%
20175%34%30%
20165%35%30%
20155%34%30%
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Academics and Faculty:

# Teachers
74 Teachers
7,571 Teachers
Average Student-Teacher Ratio
11:1
11:1

Student-Teacher Ratio Trends (2015-2025)

YearAdams County AverageIllinois (IL) AverageNational Average
202511:111:110:1
202411:111:110:1
202311:111:110:1
202212:111:110:1
202112:111:110:1
202012:111:110:1
201912:111:110:1
201812:112:110:1
201714:112:110:1
201614:112:110:1
201514:112:110:1
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% Average Faculty w/Advanced Degree
20%
56%

Percentage of Faculty With Advanced Degrees Trends (2023-2025)

YearAdams County AverageIllinois (IL) AverageNational Average
202520%56%57%
202420%55%57%
202320%54%57%
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Average Class Size
20 students
15 students

Class Size Trends (2023-2025)

YearAdams County AverageIllinois (IL) AverageNational Average
2025201514
2024201514
2023201514
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Tuition and Acceptance Rate:

Average Yearly Tuition Cost
$6,375
$15,812

Students by Ethnicity:

0.13
0.62

Diversity Score Trends

YearAdams County AverageIllinois (IL) AverageNational Average
20250.130.620.61
20240.130.620.60
20230.120.620.60
20220.210.600.58
20210.210.600.57
20200.210.610.57
20190.220.600.56
20180.220.580.55
20170.260.560.54
20160.260.560.54
20150.260.570.53
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# American Indian Students
n/a
298 Students
% American Indian Students
n/a
n/a
# Asian Students
7 Students
5,624 Students
% Asian Students
1%
6%

Asian Student Percentage Trends

YearAdams County AverageIllinois (IL) AverageNational Average
20251%7%5%
20241%7%6%
20231%8%6%
20221%8%5%
20211%7%5%
20201%7%5%
20192%6%5%
20182%7%5%
20171%4%4%
20161%4%4%
20151%5%4%
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# Hispanic Students
15 Students
10,091 Students
% Hispanic Students
2%
11%

Hispanic Student Percentage Trends

YearAdams County AverageIllinois (IL) AverageNational Average
20252%11%9%
20242%11%9%
20232%11%8%
20222%10%8%
20212%10%8%
20202%10%8%
20192%9%8%
20182%10%8%
20171%10%7%
20161%9%8%
20151%9%8%
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# Black Students
20 Students
9,671 Students
% Black Students
2%
11%

Black Student Percentage Trends

YearAdams County AverageIllinois (IL) AverageNational Average
20252%11%8%
20242%11%8%
20232%10%8%
20222%10%8%
20212%11%8%
20202%11%8%
20192%11%8%
20182%11%8%
20171%11%8%
20161%12%8%
20151%12%9%
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# White Students
767 Students
52,469 Students
% White Students
94%
58%

White Student Percentage Trends

YearAdams County AverageIllinois (IL) AverageNational Average
202594%58%59%
202494%58%60%
202394%58%60%
202289%60%62%
202189%60%63%
202089%60%64%
201988%61%64%
201888%62%65%
201785%64%66%
201685%64%66%
201585%63%66%
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# Hawaiian Students
n/a
105 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
11 Students
12,222 Students
% of Others Students
1%
14%

Other Races Student Percentage Trends

YearAdams County AverageIllinois (IL) AverageNational Average
20251%13%17%
20241%13%15%
20231%13%16%
20226%12%16%
20216%12%15%
20206%12%14%
20196%13%14%
20186%10%13%
201712%11%14%
201612%11%13%
201512%11%12%
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All Ethnic Groups

Extracurriculars and Sports:

Frequently Asked Questions

What are the top ranked private high schools in Adams County, IL?
The top ranked private high schools in Adams County, IL include Chaddock, St. Francis Solanus School, and Quincy Notre Dame High School.
How many private high schools are located in Adams County?
5 private high schools are located in Adams County.
How diverse are private high schools in Adams County?
Adams County private high schools are approximately 5% minority students, which is lower than the Illinois private school average of 35%.
What percentage of private high schools are religiously affiliated in Adams County?
80% of private high schools in Adams County are religiously affiliated (most commonly Catholic and African Methodist Episcopal).

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