| District | City | Rating | Students | Schools | Grades | Zip Codes |
|---|---|---|---|---|---|---|
| Carterville Community Unit School District 5 | Cambria | 10/10 Excellent · 90th pct | 2,218 | 4 | K–12 | 1 |
| Marion Community Unit School District 2 | Creal Springs | 8/10 Good · 71st pct | 3,749 | 7 | PK–12 | 2 |
| Herrin Community Unit School District 4 | Freeman Spur | 7/10 Good · 66th pct | 2,355 | 4 | PK–12 | 6 |
| Johnston City Community Unit School District 1 | Johnston City | 3/10 Below Average · 21st pct | 1,094 | 4 | PK–12 | 2 |
How Williamson County compares
Together they enroll 9,416 students across 19 schools. The largest is Marion Community Unit School District 2 with 3,749 students. Districts here average 7.0/10, above the Illinois average of 5.4/10. Ratings range from 3/10 to 10/10.
School Districts in Williamson County, Illinois
Williamson County has 4 public school districts covering 11 zip codes. The top-rated district in Williamson County is Carterville Community Unit School District 5 (10/10). Ratings are based on the share of students proficient in reading and math on state assessments (NCES EDFacts, 2021–22 for most districts), ranked against all districts in Illinois. Directory details come from NCES CCD 2024–25.
Enter your zip code on any page to confirm your exact district assignment — district boundaries are address-specific and may not follow county or city lines.