For the 2026 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)
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
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: Herrin Middle School vs. Carterville Jr High School, Carterville Jr High School vs. Herrin Middle School, Carterville Jr High School vs. Marion Jr 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.