For the 2026-27 school year, there are 9 public middle schools serving 2,470 students in Williamson County, IL.
The top-ranked public middle schools in Williamson County, IL are Carterville Jr High School, Adams School and Herrin Middle School. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Williamson County, IL public middle schools have an average math proficiency score of 28% (versus the Illinois public middle school average of 24%), and reading proficiency score of 33% (versus the 29% statewide average). Middle schools in Williamson County have an average ranking of 8/10, which is in the top 30% of Illinois public middle schools.
Minority enrollment is 17% of the student body (majority Hispanic and Black), which is less than the Illinois public middle school average of 61% (majority Hispanic).
Best Public Middle Schools in Williamson County (2026-27)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Carterville Jr High School
(Math: 42% | Reading: 48%)
Rank:
Rank:
9/
Top 20%10
816 S Division St
Carterville, IL 62918
(618) 985-4500
Carterville, IL 62918
(618) 985-4500
Gr: 7-8 | 344 students Student-teacher ratio: 15:1 Minority enrollment: 21%
Rank: #22.
Adams School
(Math: 35-39% | Reading: 50-54%)
Rank:
Rank:
9/
Top 20%10
15470 Lake Of Egypt Rd
Creal Springs, IL 62922
(618) 996-2181
Creal Springs, IL 62922
(618) 996-2181
Gr: PK-8 | 283 students Student-teacher ratio: 11:1 Minority enrollment: 10%
Rank: #33.
Herrin Middle School
(Math: 28% | Reading: 33%)
Rank:
Rank:
7/
Top 50%10
700 S 14th St
Herrin, IL 62948
(618) 942-7461
Herrin, IL 62948
(618) 942-7461
Gr: 6-8 | 513 students Student-teacher ratio: 13:1 Minority enrollment: 22%
Rank: #44.
Marion Jr High School
(Math: 27% | Reading: 29%)
Rank:
Rank:
7/
Top 50%10
1609 W Main St
Marion, IL 62959
(618) 997-1317
Marion, IL 62959
(618) 997-1317
Gr: 6-8 | 742 students Student-teacher ratio: 15:1 Minority enrollment: 27%
Rank: #55.
Crab Orchard Elementary School
(Math: 23% | Reading: 31%)
Rank:
Rank:
6/
Top 50%10
19189 Bailey St
Marion, IL 62959
(618) 982-2181
Marion, IL 62959
(618) 982-2181
Gr: PK-8 | 323 students Student-teacher ratio: 15:1 Minority enrollment: 2%
Rank: #66.
Project Echo
Alternative School
(Math: ≤20% | Reading: ≤20% )
Rank:
Rank:
5/
Bottom 50%10
17428 Route 37
Johnston City, IL 62951
(618) 983-6628
Johnston City, IL 62951
(618) 983-6628
Gr: 7-12
Rank: #77.
Washington Middle School
(Math: 11% | Reading: 17%)
Rank:
Rank:
3/
Bottom 50%10
100 E 12th St
Johnston City, IL 62951
(618) 983-7581
Johnston City, IL 62951
(618) 983-7581
Gr: 5-8 | 296 students Student-teacher ratio: 12:1 Minority enrollment: 12%
Rank: n/an/a
Starquest Academy Rssp South
Alternative School
502 W Jackson St
Marion, IL 62959
(618) 998-1283
Marion, IL 62959
(618) 998-1283
Gr: 6-12
Williamson County Public Schools (Closed)
School
Location
Quick Facts
Chittyville Alternative Center (Closed 2023)
Special Education School
700 N 10th
Herrin, IL 62948
(618) 942-6625
Herrin, IL 62948
(618) 942-6625
Gr: 7-12 | 24 students Student-teacher ratio: 4:1 Minority enrollment: 29%
Frequently Asked Questions
What are the top-ranked public middle schools in Williamson County, IL?
The top-ranked public middle schools in Williamson County, IL include Carterville Jr High School, Adams School and Herrin Middle School.
How many public middle schools are located in Williamson County?
7 public middle schools are located in Williamson County.
What is the racial composition of students in Williamson County?
Williamson County public middle schools minority enrollment is 17% of the student body (majority Hispanic and Black), which is less than the Illinois public middle schools average of 61% (majority Hispanic).
Which public middle schools in Williamson County are often viewed compared to one another?
Popular comparisons of public middle schools in Williamson County include: Crab Orchard Elementary School vs. Adams School, Herrin Middle School vs. Carterville Jr High School, Carterville Jr High School vs. Herrin Middle School
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