📊 Data: NCES CCD 2024–2025·🔄 Updated: September 2026·Editorial standards
🏆 Rankings · State Test Data (IAR 2023–24)

Best School Districts
in Rock Island County, IL

Rock Island County has 8 rated public school districts. Ratings are percentile-ranked against every rated district in Illinois, not just this county.

📊 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 8 Rated Districts in Rock Island County, IL Sorted by rating, then state percentile
County RankDistrictDistrict OfficeRatingState Percentile
#1Riverdale Community Unit School District 100Port Byron8/10  Good78th
#2Rockridge Community Unit School District 300Taylor Ridge6/10  Average53rd
#3Hampton School District 29Hampton5/10  Average44th
#4Moline-Coal Valley School District 40Moline3/10  Below Average21st
#5Rock Island-Milan School District 41Rock Island2/10  Poor13th
#6Silvis School District 34East Moline2/10  Poor13th
#7East Moline School District 37East Moline2/10  Poor11th
#8Carbon Cliff-Barstow School District 36Silvis1/10  Poor1st

Best School Districts in Rock Island County, Illinois (2026)

This page lists the 8 public school districts headquartered in Rock Island 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 Rock Island 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 Rock Island County, Illinois?
Among the 8 rated districts in Rock Island County, Illinois, the highest-rated is Riverdale Community Unit School District 100 (Port Byron), rated 8/10 (Good) and in the 78th 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.