📊 What this ranking measures
Rankings are based on academic achievement — the share of students scoring proficient or above on state reading and math assessments (NCES EDFacts, 2021–22 for most districts), ranked against other districts in the same state — not on spending, district size, or staffing. See full methodology →
All 9 Rated Districts in Kennebec County, ME
Sorted by rating, then state percentile
| County Rank | District | District Office | Rating | State Percentile |
|---|---|---|---|---|
| #1 | Winthrop Public Schools | Winthrop | 8/10 Good | 78th |
| #2 | Regional School Unit 18 | Oakland | 8/10 Good | 77th |
| #3 | Regional School Unit 38 | Readfield | 7/10 Good | 68th |
| #4 | Regional School Unit 02 | Hallowell | 7/10 Good | 62nd |
| #5 | School Administrative District 11 | Gardiner | 6/10 Average | 53rd |
| #6 | Winslow Schools | Winslow | 6/10 Average | 50th |
| #7 | Fayette Public Schools | Fayette | 4/10 Below Average | 30th |
| #8 | Augusta School Department | Augusta | 3/10 Below Average | 22nd |
| #9 | Vassalboro Public Schools | Vassalboro | 3/10 Below Average | 21st |
Best School Districts in Kennebec County, Maine (2026)
This page lists the 9 public school districts headquartered in Kennebec County, Maine that have a SchoolDistrictFinder rating, scored using EDFacts 2021–22 state assessment data. The county rank is simply their order here; the state percentile compares each district with every rated district in Maine, 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 Kennebec 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 Kennebec County, Maine? ▼
Among the 9 rated districts in Kennebec County, Maine, the highest-rated is Winthrop Public Schools (Winthrop), rated 8/10 (Good) and in the 78th percentile of Maine districts on EDFacts 2021–22 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 (EDFacts 2021–22), percentile-ranked against all rated districts in Maine and converted to a 1–10 scale. Full methodology here.