allk12 · Rankings · Most improved · Washington · Snohomish County · High schools

The public high schools with the most improved test scores in Snohomish County, Washington

23 public high schools in Snohomish County, Washington appear in this ranking of the public high schools with the most improved test scores, ranked by the 3-year gain in composite math + reading proficiency. Edmonds Woodway High School leads the list at +10.1pp, 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

Top 3-yr change

+10.1pp

Median 3-yr change

-0.3pp

MOST IMPROVED · SNOHOMISH COUNTY, WASHINGTON

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

Page 1 of 1 · top 23 of 23 ranked. NCES + state assessment data, 2024-25.↓ Download full CSV

All schools in Snohomish County →

Most improved rankings at a wider scope

All Washington Nationwide

Other rankings for Snohomish County, Washington

Largest Most diverse Lowest ratio Highest proficiency Fastest growing Highest poverty Lowest poverty Highest ratio Fastest declining Lowest proficiency Most Hispanic Most Black Most White Most Asian Best in math Best in reading Best in science Biggest declines Most Native American Most Pacific Islander Most multiracial Most Hispanic (count)Most Black (count)Most White (count)Most Asian (count)Most Native American (count)Most Pacific Islander (count)Most multiracial (count)Smallest Most male Most female

All ranking categories →

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.