📊 What this ranking measures
Rankings are based on academic achievement — the share of students scoring proficient or above on state reading and math assessments (SBAC 2024–25), ranked against other districts in the same state — not on spending, district size, or staffing. See full methodology →
All 7 Rated Districts in Mason County, WA
Sorted by rating, then state percentile
| County Rank | District | District Office | Rating | State Percentile |
|---|---|---|---|---|
| #1 | Grapeview School District | Grapeview | 7/10 Good | 68th |
| #2 | Southside School District | Shelton | 7/10 Good | 66th |
| #3 | North Mason School District | Belfair | 3/10 Below Average | 20th |
| #4 | Hood Canal School District | Shelton | 2/10 Poor | 18th |
| #5 | Mary M. Knight School District | Elma | 2/10 Poor | 13th |
| #6 | Shelton School District | Shelton | 2/10 Poor | 13th |
| #7 | Pioneer School District | Shelton | 1/10 Poor | 5th |
Best School Districts in Mason County, Washington (2026)
This page lists the 7 public school districts headquartered in Mason County, Washington that have a SchoolDistrictFinder rating, scored using SBAC 2024–25 state assessment data. The county rank is simply their order here; the state percentile compares each district with every rated district in Washington, 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 Mason 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 Mason County, Washington? ▼
Among the 7 rated districts in Mason County, Washington, the highest-rated is Grapeview School District (Grapeview), rated 7/10 (Good) and in the 68th percentile of Washington districts on SBAC 2024–25 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 (SBAC 2024–25), percentile-ranked against all rated districts in Washington and converted to a 1–10 scale. Full methodology here.