📊 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 5 Rated Districts in Washington County, OR
Sorted by rating, then state percentile
| County Rank | District | District Office | Rating | State Percentile |
|---|---|---|---|---|
| #1 | Beaverton School District 48J | Beaverton | 10/10 Excellent | 93rd |
| #2 | Tigard-Tualatin School District 23J | Tigard | 8/10 Good | 75th |
| #3 | Hillsboro School District 1J | Hillsboro | 6/10 Average | 59th |
| #4 | Banks School District 13 | Banks | 5/10 Average | 45th |
| #5 | Forest Grove School District 15 | Forest Grove | 2/10 Poor | 17th |
Best School Districts in Washington County, Oregon (2026)
This page lists the 5 public school districts headquartered in Washington County, Oregon 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 Oregon, 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 Washington 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 Washington County, Oregon? ▼
Among the 5 rated districts in Washington County, Oregon, the highest-rated is Beaverton School District 48J (Beaverton), rated 10/10 (Excellent) and in the 93rd percentile of Oregon 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 Oregon and converted to a 1–10 scale. Full methodology here.