| District | City | Rating | Students | Schools | Grades | Zip Codes |
|---|---|---|---|---|---|---|
| Columbia Community Unit School District 4 | Columbia | 10/10 Excellent · 92nd pct | 1,990 | 4 | PK–12 | 1 |
| Waterloo Community Unit School District 5 | Fults | 10/10 Excellent · 91st pct | 2,768 | 5 | PK–12 | 4 |
| Valmeyer Community Unit School District 3 | Maeystown | 2/10 Poor · 14th pct | 355 | 3 | PK–12 | 2 |
| Chester Non-High School District 122 | Waterloo | Not rated | — | — | PK | 0 |
How Monroe County compares
Together they enroll 5,113 students across 12 schools. The largest is Waterloo Community Unit School District 5 with 2,768 students. Districts here average 7.3/10, above the Illinois average of 5.6/10. Ratings range from 2/10 to 10/10. 1 of the 4 districts has no state assessment data and is shown as Not rated.
School Districts in Monroe County, Illinois
Monroe County has 4 public school districts covering 7 zip codes. The top-rated district in Monroe County is Columbia Community Unit School District 4 (10/10). Ratings are based on the share of students proficient in reading and math on state assessments (IAR 2023–24), 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.
Frequently Asked Questions
How many school districts are in Monroe County, IL?
4 school districts serve zip codes in Monroe County, IL. This page lists each one with its rating, enrollment, grade span and the zip codes it covers.
What is the best-rated school district in Monroe County, IL?
Of the districts serving Monroe County, Columbia Community Unit School District 4 has the highest rating on this site at 10/10. That places it in the 92nd percentile among Illinois school districts.
How are these school district ratings calculated?
Each rating is the share of students scoring proficient or above on Illinois reading and math assessments, ranked against other districts in Illinois and converted to a 1–10 scale. Percentiles compare districts within Illinois only, never across state lines.