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allk12 · Rankings · Highest proficiency · Washington · King County

The highest-performing public schools by test proficiency in King County, Washington

416 public schools in King County, Washington appear in this ranking of the highest-performing public schools by test proficiency, ranked by composite state-assessment proficiency. Cascadia Elementary leads the list at 96.5%, against a median of 55.3% across the ranked schools.

The table below is sortable and filterable, and the full list downloads as a CSV. Figures come from federal NCES enrollment data and, where applicable, state assessment results for 2024-25.

Schools ranked
416
King County, Washington
Top % Proficient
96.5%
Median % Proficient
55.3%
HIGHEST PROFICIENCY · KING COUNTY, WASHINGTON
#SchoolCityDistrictLevel% FRLStudents% Proficient
1Cascadia ElementarySeattle, WASeattle School District No. 1Elementary7.7%53196.5%
2Medina Elementary SchoolMEDINA, WABellevue School DistrictElementary5.6%59192.5%
3Christa Mcauliffe ElementarySammamish, WALake Washington School DistrictElementary1.5%47292.1%
4Somerset Elementary SchoolBellevue, WABellevue School DistrictElementary7.7%74191.2%
5Sunrise ElementaryRedmond, WANorthshore School DistrictElementary6.2%32291.2%
6Cascade Ridge ElementarySAMMAMISH, WAIssaquah School DistrictElementary3.8%39191.1%
7Frantz Coe Elementary SchoolSEATTLE, WASeattle School District No. 1Elementary11.1%46788.6%
8Cherry Crest Elementary SchoolBellevue, WABellevue School DistrictElementary4.7%55388.3%
9Island Park ElementaryMercer Island, WAMercer Island School DistrictElementary2.2%36488.0%
10Endeavour Elementary SchoolISSAQUAH, WAIssaquah School DistrictElementary10.4%47387.6%
11Lakeridge Elementary SchoolMercer Island, WAMercer Island School DistrictElementary3.5%40187.3%
12Samantha Smith ElementarySammamish, WALake Washington School DistrictElementary3.3%54587.1%
13John Stanford International SchoolSEATTLE, WASeattle School District No. 1Elementary8.5%42287.0%
14McDonald International SchoolSeattle, WASeattle School District No. 1Elementary6.1%44386.5%
15Louisa May Alcott ElementaryRedmond, WALake Washington School DistrictElementary5.4%61586.3%
16Rachel Carson ElementarySammamish, WALake Washington School DistrictElementary2.5%48685.7%
17Horace Mann ElementaryRedmond, WALake Washington School DistrictElementary5.9%38785.2%
18Discovery ElementaryISSAQUAH, WAIssaquah School DistrictElementary4.9%50885.0%
19Snoqualmie ElementarySNOQUALMIE, WASnoqualmie Valley School DistrictElementary14.8%54784.7%
20Jing Mei Elementary SchoolBellevue, WABellevue School DistrictElementary10.1%57784.5%
21West Mercer ElementaryMercer Island, WAMercer Island School DistrictElementary7.9%43184.5%
22Rosa Parks ElementaryRedmond, WALake Washington School DistrictElementary5.8%45084.4%
23Wedgwood Elementary SchoolSEATTLE, WASeattle School District No. 1Elementary12.3%33383.7%
24Cascade View Elementary SchoolSnoqualmie, WASnoqualmie Valley School DistrictElementary3.4%49383.4%
25West Woodland Elementary SchoolSEATTLE, WASeattle School District No. 1Elementary8.5%35583.3%
26Evergreen Middle SchoolRedmond, WALake Washington School DistrictMiddle9.2%76183.2%
27Woodridge ElementaryBellevue, WABellevue School DistrictElementary23.1%55483.2%
28Grand Ridge ElementaryIssaquah, WAIssaquah School DistrictElementary8.6%55882.9%
29Greenwood Elementary SchoolSEATTLE, WASeattle School District No. 1Elementary10.3%33982.6%
30Sunny Hills ElementarySAMMAMISH, WAIssaquah School DistrictElementary11.3%57482.5%
31Laura Ingalls Wilder ElementaryWoodinville, WALake Washington School DistrictElementary4.1%31582.5%
32Cougar Ridge ElementaryBELLEVUE, WAIssaquah School DistrictElementary10.7%45882.0%
33John J. Audubon ElementaryRedmond, WALake Washington School DistrictElementary7.9%43181.5%
34Elizabeth Blackwell ElementarySammamish, WALake Washington School DistrictElementary5.2%47881.5%
35View Ridge Elementary SchoolSEATTLE, WASeattle School District No. 1Elementary11.0%29080.9%
36Benjamin Franklin ElementaryKirkland, WALake Washington School DistrictElementary10.0%45280.7%
37East Ridge ElementaryWoodinville, WANorthshore School DistrictElementary7.5%42780.7%
38Timberline Middle SchoolRedmond, WALake Washington School DistrictMiddle7.1%78880.6%
39Beaver Lake Middle SchoolISSAQUAH, WAIssaquah School DistrictMiddle9.6%69980.5%
40Bryant Elementary SchoolSEATTLE, WASeattle School District No. 1Elementary5.3%47080.4%
41Catharine Blaine K-8 SchoolSEATTLE, WASeattle School District No. 1Elementary6.8%43880.3%
42Lakeview ElementaryKirkland, WALake Washington School DistrictElementary12.1%60280.0%
43Newcastle Elementary SchoolNewcastle, WAIssaquah School DistrictElementary21.7%45179.7%
44Meridian Park Elementary SchoolShoreline, WAShoreline School DistrictElementary34.3%58979.7%
45Queen Anne ElementarySeattle, WASeattle School District No. 1Elementary10.7%15979.5%
46Inglewood Middle SchoolSammamish, WALake Washington School DistrictMiddle4.3%1,22979.5%
47Timber Ridge Elementary SchoolSNOQUALMIE, WASnoqualmie Valley School DistrictElementary12.0%60779.4%
48Creekside ElementarySammamish, WAIssaquah School DistrictElementary5.8%55579.4%
49Margaret Mead ElementarySammamish, WALake Washington School DistrictElementary4.8%58079.4%
50Ella Baker Elementary SchoolRedmond, WALake Washington School DistrictElementary14.2%40179.4%
Page 1 of 9 · top 416 of 416 ranked. NCES + state assessment data, 2024-25.↓ Download full CSV

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DATA NOTICE

allk12 is independent and not affiliated with, endorsed by, or sponsored by NCES, the US Census Bureau, any state education agency or assessment program, or any other government agency. Source data is compiled from public records and provided "as is," without warranty of accuracy or completeness. You rely on it, and any analysis derived from it, at your own risk. See the full disclaimer.