For the 2024-25 school year, there are 25 public schools serving 9,904 students in Williamson County, IL (there are 4 private schools, serving 562 private students). 95% of all K-12 students in Williamson County, IL are educated in public schools (compared to the IL state average of 88%).
The top ranked public schools in Williamson County, IL are Carterville High School, Washington Elementary School and Carterville Jr High School. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Williamson County, IL public schools have an average math proficiency score of 22% (versus the Illinois public school average of 26%), and reading proficiency score of 36% (versus the 30% statewide average). Schools in Williamson County have an average ranking of 8/10, which is in the top 30% of Illinois public schools.
Minority enrollment is 19% of the student body (majority Black and Hispanic), which is less than the Illinois public school average of 54% (majority Hispanic).
Best Public Schools in Williamson County (2024-25)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Grades
Students
Rank: #11.
Carterville High School
Rank:
9/
Top 20%10
1415 W Grand Ave
Carterville, IL 62918
(618) 985-2940
Carterville, IL 62918
(618) 985-2940
Grades: 9-12
| 636 students
Rank: #22.
Washington Elementary School
Rank:
9/
Top 20%10
420 E Main St
Marion, IL 62959
(618) 993-8534
Marion, IL 62959
(618) 993-8534
Grades: K-5
| 487 students
Rank: #33.
Carterville Jr High School
Rank:
8/
Top 30%10
816 S Division St
Carterville, IL 62918
(618) 985-4500
Carterville, IL 62918
(618) 985-4500
Grades: 7-8
| 363 students
Rank: #44.
Carterville Intermediate School
Rank:
8/
Top 30%10
300 School St
Carterville, IL 62918
(618) 985-6411
Carterville, IL 62918
(618) 985-6411
Grades: 4-6
| 518 students
Rank: #55.
Tri-c Elementary School
Rank:
8/
Top 30%10
1405 W Grand Ave
Carterville, IL 62918
(618) 985-8742
Carterville, IL 62918
(618) 985-8742
Grades: K-3
| 701 students
Rank: #66.
Longfellow Elementary School
Rank:
8/
Top 30%10
1400 W Hendrickson St
Marion, IL 62959
(618) 993-3230
Marion, IL 62959
(618) 993-3230
Grades: K-5
| 241 students
Rank: #77.
Jefferson Elementary School
Rank:
8/
Top 30%10
700 E Boulevard St
Marion, IL 62959
(618) 997-5766
Marion, IL 62959
(618) 997-5766
Grades: PK-5
| 389 students
Rank: #88.
Adams School
Rank:
7/
Top 50%10
15470 Lake Of Egypt Rd
Creal Springs, IL 62922
(618) 996-2181
Creal Springs, IL 62922
(618) 996-2181
Grades: PK-8
| 260 students
Rank: #99.
Lincoln Elementary School
Rank:
7/
Top 50%10
400 Morningside Dr
Marion, IL 62959
(618) 997-6063
Marion, IL 62959
(618) 997-6063
Grades: K-5
| 487 students
Rank: #1010.
Herrin Middle School
Rank:
7/
Top 50%10
700 S 14th St
Herrin, IL 62948
(618) 942-7461
Herrin, IL 62948
(618) 942-7461
Grades: 6-8
| 507 students
Rank: #1111.
Herrin C U S D 4 Elementary School
Rank:
7/
Top 50%10
5200 Herrin Rd
Herrin, IL 62948
(618) 942-2744
Herrin, IL 62948
(618) 942-2744
Grades: 2-5
| 679 students
Rank: #1212.
Herrin High School
Rank:
6/
Top 50%10
700 N 10th St
Herrin, IL 62948
(618) 942-6606
Herrin, IL 62948
(618) 942-6606
Grades: 9-12
| 686 students
Rank: #1313.
Crab Orchard Elementary School
Rank:
6/
Top 50%10
19189 Bailey St
Marion, IL 62959
(618) 982-2181
Marion, IL 62959
(618) 982-2181
Grades: PK-8
| 339 students
Rank: #1414.
Marion Jr High School
Rank:
5/
Bottom 50%10
1609 W Main St
Marion, IL 62959
(618) 997-1317
Marion, IL 62959
(618) 997-1317
Grades: 6-8
| 726 students
Rank: #1515.
Marion High School
Rank:
5/
Bottom 50%10
1501 S Carbon St
Marion, IL 62959
(618) 993-8196
Marion, IL 62959
(618) 993-8196
Grades: 9-12
| 1,159 students
Rank: #1616.
Johnston City High School
Rank:
5/
Bottom 50%10
1500 Jefferson Ave
Johnston City, IL 62951
(618) 983-4700
Johnston City, IL 62951
(618) 983-4700
Grades: 9-12
| 337 students
Rank: #1717.
Project Echo
Alternative School
(Math: ≤20% | Reading: ≤20% )
Rank:
Rank:
5/
Bottom 50%10
Po Box 238
Johnston City, IL 62951
(618) 983-6628
Johnston City, IL 62951
(618) 983-6628
Grades: 7-12
| n/a students
Rank: #1818.
Crab Orchard High School
Rank:
4/
Bottom 50%10
19189 Bailey St
Marion, IL 62959
(618) 982-2181
Marion, IL 62959
(618) 982-2181
Grades: 9-12
| 149 students
Rank: #1919.
Lincoln Elementary School
Rank:
4/
Bottom 50%10
20163 Corinth Rd
Pittsburg, IL 62974
(618) 982-2130
Pittsburg, IL 62974
(618) 982-2130
Grades: 3-4
| 139 students
Rank: #2020.
Jefferson Elementary School
(Math: 40-44% | Reading: 45-49% )
Rank:
Rank:
3/
Bottom 50%10
1108 Grand Ave
Johnston City, IL 62951
(618) 983-7561
Johnston City, IL 62951
(618) 983-7561
Grades: PK-2
| 307 students
Rank: #2121.
Washington Middle School
Rank:
3/
Bottom 50%10
100 E 12th St
Johnston City, IL 62951
(618) 983-7581
Johnston City, IL 62951
(618) 983-7581
Grades: 5-8
| 311 students
Rank: n/an/a
601 N 17th St
Herrin, IL 62948
(618) 942-5418
Herrin, IL 62948
(618) 942-5418
Grades: PK-1
| 483 students
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
Grades: 6-12
| n/a students
Rank: n/an/a
Williamson Co Intensive Program
Special Education School
801 E Reeves St
Marion, IL 62959
(618) 997-2472
Marion, IL 62959
(618) 997-2472
Grades: n/a
| n/a students
Rank: n/an/a
Williamson Co Learning Center
Special Education School
409 S Court St
Marion, IL 62959
(618) 993-2138
Marion, IL 62959
(618) 993-2138
Grades: n/a
| n/a students
Williamson County Public Schools (Closed)
School
Location
Grades
Students
Chittyville Alternative Center (Closed 2023)
Special Education School
700 N 10th
Herrin, IL 62948
(618) 942-6625
Herrin, IL 62948
(618) 942-6625
Grades: 7-12
| 24 students
Frequently Asked Questions
What are the top ranked public schools in Williamson County, IL?
The top ranked public schools in Williamson County, IL include Carterville High School, Washington Elementary School and Carterville Jr High School.
How many public schools are located in Williamson County?
25 public schools are located in Williamson County.
What percentage of students in Williamson County go to public school?
95% of all K-12 students in Williamson County are educated in public schools (compared to the IL state average of 88%).
What is the racial composition of students in Williamson County?
Williamson County public schools minority enrollment is 19% of the student body (majority Black and Hispanic), which is less than the Illinois public schools average of 54% (majority Hispanic).
Which public schools in Williamson County are often viewed compared to one another?
Popular comparisons of public schools in Williamson County include: Lincoln Elementary School vs. Lincoln Elementary School, Herrin High School vs. Carterville High School, Carterville High School vs. Herrin High School
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