| District | City | Rating | Students | Schools | Grades | Zip Codes |
|---|---|---|---|---|---|---|
| Issaquah School District | Issaquah | 10/10 Excellent · 99th pct | 19,524 | 30 | PK–12 | 5 |
| Lake Washington School District | Kirkland | 10/10 Excellent · 99th pct | 30,991 | 58 | PK–12 | 5 |
| Mercer Island School District | Mercer Island | 10/10 Excellent · 99th pct | 4,057 | 6 | PK–12 | 1 |
| Bellevue School District | Bellevue | 10/10 Excellent · 98th pct | 19,089 | 32 | PK–12 | 6 |
| Snoqualmie Valley School District | Fall City | 10/10 Excellent · 98th pct | 7,086 | 14 | PK–12 | 3 |
| Northshore School District | Bothell | 10/10 Excellent · 97th pct | 22,944 | 39 | PK–12 | 4 |
| Tahoma School District | Hobart | 10/10 Excellent · 97th pct | 9,112 | 10 | PK–12 | 2 |
| Shoreline School District | Seattle | 10/10 Excellent · 92nd pct | 9,564 | 18 | PK–12 | 3 |
| Seattle Public Schools | Seattle | 10/10 Excellent · 91st pct | 51,238 | 109 | PK–12 | 27 |
| Vashon Island School District | Vashon | 9/10 Excellent · 89th pct | 1,539 | 5 | PK–12 | 1 |
| Riverview School District | Carnation | 9/10 Excellent · 87th pct | 3,111 | 9 | PK–12 | 2 |
| Enumclaw School District | Black Diamond | 8/10 Good · 77th pct | 4,436 | 10 | PK–12 | 3 |
| Renton School District | Renton | 6/10 Average · 54th pct | 15,230 | 30 | PK–12 | 4 |
| Kent School District | Kent | 5/10 Average · 42nd pct | 25,586 | 45 | PK–12 | 5 |
| Auburn School District | Auburn | 4/10 Below Average · 38th pct | 17,857 | 27 | PK–12 | 3 |
| Federal Way School District | Auburn | 2/10 Poor · 18th pct | 21,606 | 46 | PK–12 | 3 |
| Highline School District | Seattle | 2/10 Poor · 16th pct | 18,048 | 43 | PK–12 | 7 |
| Skykomish School District | Baring | 2/10 Poor · 15th pct | 40 | 2 | PK–12 | 2 |
| Tukwila School District | TUKWILA | 2/10 Poor · 11th pct | 2,715 | 8 | PK–12 | 0 |
How King County compares
Together they enroll 283,773 students across 541 schools. The largest is Seattle Public Schools with 51,238 students. Districts here average 7.3/10, above the Washington average of 5.5/10. Ratings range from 2/10 to 10/10.
School Districts in King County, Washington
King County has 19 public school districts covering 86 zip codes. The top-rated district in King County is Issaquah School District (10/10). Ratings are based on the share of students proficient in reading and math on state assessments (SBAC 2024–25), ranked against all districts in Washington. Directory details come from NCES CCD 2024–25.
Enter your zip code on any page to confirm your exact district assignment — district boundaries are address-specific and may not follow county or city lines.
Frequently Asked Questions
How many school districts are in King County, WA?
19 school districts serve zip codes in King County, WA. This page lists each one with its rating, enrollment, grade span and the zip codes it covers.
What is the best-rated school district in King County, WA?
Of the districts serving King County, Issaquah School District has the highest rating on this site at 10/10. That places it in the 99th percentile among Washington school districts.
How are these school district ratings calculated?
Each rating is the share of students scoring proficient or above on Washington reading and math assessments, ranked against other districts in Washington and converted to a 1–10 scale. Percentiles compare districts within Washington only, never across state lines.