allk12 · Rankings · Biggest declines · Washington · Snohomish County · High schools

The public high schools with the biggest test-score declines in Snohomish County, Washington

23 public high schools in Snohomish County, Washington appear in this ranking of the public high schools with the biggest test-score declines, ranked by the 3-year drop in composite math + reading proficiency. Marysville Getchell High School leads the list at -15.9pp, against a median of -0.3pp 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

Snohomish County, Washington

Best 3-yr change

-15.9pp

Median 3-yr change

-0.3pp

BIGGEST DECLINES · SNOHOMISH COUNTY, WASHINGTON

#	School	City	District	Students	3 yrs ago	Latest	Change
1	Marysville Getchell High School	Marysville, WA	Marysville School District	1,381	49.1%	33.2%	-15.9pp
2	Lakewood High School	Arlington, WA	Lakewood School District	834	42.3%	28.2%	-14.2pp
3	Stanwood High School	STANWOOD, WA	Stanwood-Camano School District	1,384	56.8%	47.0%	-9.8pp
4	Lynnwood High School	BOTHELL, WA	Edmonds School District	1,335	52.0%	45.3%	-6.7pp
5	Meadowdale High School	LYNNWOOD, WA	Edmonds School District	1,491	55.6%	49.3%	-6.3pp
6	Arlington High School	Arlington, WA	Arlington School District	1,650	51.6%	45.8%	-5.8pp
7	Marysville Pilchuck High School	Marysville, WA	Marysville School District	1,182	29.5%	24.4%	-5.1pp
8	Kamiak High School	Mukilteo, WA	Mukilteo School District	2,384	66.3%	62.0%	-4.2pp
9	Mountlake Terrace High School	MTLK TERRACE, WA	Edmonds School District	1,456	50.7%	46.6%	-4.1pp
10	Mariner High School	Everett, WA	Mukilteo School District	2,106	40.3%	39.7%	-0.6pp
11	Lake Stevens Sr High School	Lake Stevens, WA	Lake Stevens School District	2,205	55.9%	55.4%	-0.5pp
12	Cascade High School	Everett, WA	Everett School District	1,651	46.1%	45.8%	-0.3pp
13	Glacier Peak High School	Snohomish, WA	Snohomish School District	1,642	69.7%	69.8%	+0.0pp
14	Henry M. Jackson High School	Mill Creek, WA	Everett School District	2,148	66.5%	68.3%	+1.8pp
15	Sultan Senior High School	Sultan, WA	Sultan School District	581	31.0%	33.5%	+2.6pp
16	Granite Falls High School	Granite Falls, WA	Granite Falls School District	614	38.9%	42.4%	+3.5pp
17	Everett High School	Everett, WA	Everett School District	1,643	41.7%	45.7%	+4.0pp
18	North Creek High School	Bothell, WA	Northshore School District	1,910	72.5%	77.0%	+4.5pp
19	Innovation Lab High School	Bothell, WA	Northshore School District	252	70.3%	75.0%	+4.7pp
20	Snohomish High School	Snohomish, WA	Snohomish School District	1,496	50.8%	55.8%	+5.0pp
21	Monroe High School	Monroe, WA	Monroe School District	1,515	41.1%	48.2%	+7.2pp
22	Cavelero Mid High School	Lake Stevens, WA	Lake Stevens School District	1,490	40.1%	49.5%	+9.4pp
23	Edmonds Woodway High School	EDMONDS, WA	Edmonds School District	1,605	41.3%	51.4%	+10.1pp

Page 1 of 1 · top 23 of 23 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.