📊 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 11 Rated Districts in Winnebago County, IL
Sorted by rating, then state percentile
| County Rank | District | District Office | Rating | State Percentile |
|---|---|---|---|---|
| #1 | Prairie Hill Community Consolidated School District 133 | South Beloit | 10/10 Excellent | 96th |
| #2 | Hononegah Community High School District 207 | Rockton | 10/10 Excellent | 93rd |
| #3 | Rockton School District 140 | Rockton | 9/10 Excellent | 87th |
| #4 | Kinnikinnick Community Consolidated School District 131 | Roscoe | 9/10 Excellent | 85th |
| #5 | Shirland Community Consolidated School District 134 | Shirland | 9/10 Excellent | 84th |
| #6 | Durand Community Unit School District 322 | Durand | 8/10 Good | 71st |
| #7 | Pecatonica Community Unit School District 321 | Pecatonica | 7/10 Good | 60th |
| #8 | Winnebago Community Unit School District 323 | Winnebago | 5/10 Average | 46th |
| #9 | Harlem Unit School District 122 | Machesney Park | 3/10 Below Average | 26th |
| #10 | County of Winnebago SD 320 | South Beloit | 2/10 Poor | 13th |
| #11 | Rockford School District 205 | Rockford | 2/10 Poor | 13th |
Best School Districts in Winnebago County, Illinois (2026)
This page lists the 11 public school districts headquartered in Winnebago 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 Winnebago 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 Winnebago County, Illinois? ▼
Among the 11 rated districts in Winnebago County, Illinois, the highest-rated is Prairie Hill Community Consolidated School District 133 (South Beloit), rated 10/10 (Excellent) and in the 96th 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.