📊 What this ranking measures
Rankings are based on academic achievement — the share of students scoring proficient or above on state reading and math assessments (IAR 2023–24), ranked against other districts in the same state — not on spending, district size, or staffing. See full methodology →
All 12 Rated Districts in Grundy County, IL
Sorted by rating, then state percentile
| County Rank | District | District Office | Rating | State Percentile |
|---|---|---|---|---|
| #1 | Coal City Community Unit School District 1 | Coal City | 10/10 Excellent | 90th |
| #2 | Nettle Creek Community Consolidated School District 24C | Morris | 9/10 Excellent | 84th |
| #3 | Saratoga Community Consolidated School District 60C | Morris | 8/10 Good | 76th |
| #4 | South Wilmington Consolidated School District 74 | Gardner | 8/10 Good | 72nd |
| #5 | Minooka Community High School District 111 | Channahon | 8/10 Good | 71st |
| #6 | Morris Community High School District 101 | Morris | 8/10 Good | 71st |
| #7 | Gardner Community Consolidated School District 72C | Gardner | 6/10 Average | 57th |
| #8 | Minooka Community Consolidated School District 201 | Minooka | 5/10 Average | 47th |
| #9 | Mazon-Verona-Kinsman Elementary School District 2C | Mazon | 5/10 Average | 44th |
| #10 | Gardner-South Wilmington Township High School District | Gardner | 5/10 Average | 42nd |
| #11 | Morris School District 54 | Morris | 4/10 Below Average | 35th |
| #12 | Braceville School District 75 | Braceville | 1/10 Poor | 6th |
Best School Districts in Grundy County, Illinois (2026)
This page lists the 12 public school districts headquartered in Grundy County, Illinois that have a SchoolDistrictFinder rating, scored using IAR 2023–24 state assessment data. The county rank is simply their order here; the state percentile compares each district with every rated district in Illinois, which is how the 1–10 rating is set. Ratings are not comparable with districts in other states.
Districts are placed in the county of their NCES directory listing. A district's boundaries can cross county lines, and a home in Grundy County may be served by a district headquartered next door — search your address or zip code to confirm.
Frequently Asked Questions
What is the best-rated school district in Grundy County, Illinois? ▼
Among the 12 rated districts in Grundy County, Illinois, the highest-rated is Coal City Community Unit School District 1 (Coal City), rated 10/10 (Excellent) and in the 90th percentile of Illinois districts on IAR 2023–24 reading and math proficiency.
How are these rankings calculated? ▼
Each district's rating comes from the share of its students scoring proficient or above on state reading and math assessments (IAR 2023–24), percentile-ranked against all rated districts in Illinois and converted to a 1–10 scale. Full methodology here.