For the 2026 school year, there are 9 public high schools serving 2,795 students in Adams County, IL.
The top-ranked public high schools in Adams County, IL are Adams County Rssp, Central High School and Liberty High School. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Adams County, IL public high schools have an average math proficiency score of 23% (versus the Illinois public high school average of 26%), and reading proficiency score of 23% (versus the 29% statewide average). High schools in Adams County have an average ranking of 6/10, which is in the top 50% of Illinois public high schools.
Adams County, IL public high school have a Graduation Rate of 80%, which is less than the Illinois average of 87%.
The school with highest graduation rate is Liberty High School, with ≥90% graduation rate. Read more about public school graduation rate statistics in Illinois or national school graduation rate statistics.
Minority enrollment is 17% of the student body (majority Black), which is less than the Illinois public high school average of 55% (majority Hispanic).
Best Public High Schools in Adams County (2026)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Adams County Rssp
Alternative School
(Math: <50% | Reading: <50% )
Rank:
Rank:
10/
Top 10%10
1416 Maine St
Quincy, IL 62301
(217) 228-7175
Quincy, IL 62301
(217) 228-7175
Gr: 7-12
Rank: #22.
Central High School
(Math: 35-39% | Reading: 30-34%)
Rank:
Rank:
8/
Top 30%10
2110 Highway 94 N
Camp Point, IL 62320
(217) 593-7731
Camp Point, IL 62320
(217) 593-7731
Gr: 9-12 | 220 students Student-teacher ratio: 10:1 Minority enrollment: 4%
Rank: #33.
Liberty High School
(Math: 30-34% | Reading: 30-34%)
Rank:
Rank:
7/
Top 50%10
505 N Park St
Liberty, IL 62347
(217) 645-3433
Liberty, IL 62347
(217) 645-3433
Gr: 7-12 | 253 students Student-teacher ratio: 12:1 Minority enrollment: 4%
Rank: #44.
Quincy Sr High School
(Math: 18% | Reading: 22%)
Rank:
Rank:
5/
Bottom 50%10
3322 Maine St
Quincy, IL 62301
(217) 224-3770
Quincy, IL 62301
(217) 224-3770
Gr: 9-12 | 1,847 students Student-teacher ratio: 19:1 Minority enrollment: 24%
Rank: #55.
Unity High School
(Math: 20-29% | Reading: 11-19%)
Rank:
Rank:
4/
Bottom 50%10
453 W Collins St
Mendon, IL 62351
(217) 936-2116
Mendon, IL 62351
(217) 936-2116
Gr: 9-12 | 176 students Student-teacher ratio: 10:1 Minority enrollment: 7%
Rank: #66.
Seymour High School
(Math: 20-24% | Reading: 10-14%)
Rank:
Rank:
4/
Bottom 50%10
420 W Brainard St
Payson, IL 62360
(217) 656-3355
Payson, IL 62360
(217) 656-3355
Gr: 7-12 | 216 students Student-teacher ratio: 11:1 Minority enrollment: 8%
Rank: n/an/a
Academic Behavior&community Academy
Alternative School
1416 Maine St
Quincy, IL 62301
(217) 228-7175
Quincy, IL 62301
(217) 228-7175
Gr: 7-12
Rank: n/an/a
Adams Co Juvenile Detention Center
Alternative School
200 N 52nd St
Quincy, IL 62305
(217) 223-8700
Quincy, IL 62305
(217) 223-8700
Gr: 5-12
Rank: n/an/a
Quincy Area Voc Center
Vocational School
219 Baldwin Dr
Quincy, IL 62301
(217) 224-3775
Quincy, IL 62301
(217) 224-3775
Gr: 10-12
Frequently Asked Questions
What are the top-ranked public high schools in Adams County, IL?
The top-ranked public high schools in Adams County, IL include Adams County Rssp, Central High School and Liberty High School.
How many public high schools are located in Adams County?
9 public high schools are located in Adams County.
What is the racial composition of students in Adams County?
Adams County public high schools minority enrollment is 17% of the student body (majority Black), which is less than the Illinois public high schools average of 55% (majority Hispanic).
Which public high schools in Adams County are often viewed compared to one another?
Popular comparisons of public high schools in Adams County include: Liberty High School vs. Quincy Sr High School, Academic Behavior&community Academy vs. Adams County Rssp, Adams Co Juvenile Detention Center vs. Central High School
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