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 student 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, Quincy Sr High School vs. Liberty High School, Unity High School vs. Quincy Sr High School
Recent Articles
AI Report Cards: Should Schools Evaluate AI Use?
Explore whether schools should assess student AI use, the benefits, risks, and what responsible AI report cards could look like in 2026.
The Parent’s Guide to School Cell Phone Bans in 2026
Learn how school cell phone bans work in 2026, why districts are adopting them, and what parents should expect.
Parental Involvement in Public Schools: 2026 Update
Explore the latest 2026 trends, research, and strategies shaping parental involvement in public schools and student success.