allk12 · Rankings · Most improved · Washington · Lewis County

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

Across Lewis County, Washington, 30 public schools are ranked here, ranked by the 3-year gain in composite math + reading proficiency. Adna Elementary School leads the list at +18.0pp, against a median of -0.5pp 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

Lewis County, Washington

Top 3-yr change

+18.0pp

Median 3-yr change

-0.5pp

MOST IMPROVED · LEWIS COUNTY, WASHINGTON

#	School	City	District	Students	3 yrs ago	Latest	Change
1	Adna Elementary School	Chehalis, WA	Adna School District	265	50.4%	68.4%	+18.0pp
2	Washington Elementary School	Centralia, WA	Centralia School District	294	28.1%	42.0%	+13.9pp
3	Morton Junior-Senior High	MORTON, WA	Morton School District	205	37.6%	47.5%	+9.9pp
4	Fords Prairie Elementary	Centralia, WA	Centralia School District	443	26.9%	36.3%	+9.4pp
5	Winlock Senior High	WINLOCK, WA	Winlock School District	226	30.4%	39.5%	+9.1pp
6	Centralia High School	Centralia, WA	Centralia School District	941	30.5%	37.1%	+6.6pp
7	Onalaska Middle School	Onalaska, WA	Onalaska School District	195	39.2%	44.4%	+5.2pp
8	Chehalis Middle School	Chehalis, WA	Chehalis School District	692	38.2%	42.8%	+4.6pp
9	Jefferson Lincoln Elementary	Centralia, WA	Centralia School District	357	16.7%	20.7%	+4.0pp
10	Orin C Smith Elementary School	Chehalis, WA	Chehalis School District	647	42.0%	44.1%	+2.1pp
11	Winlock Miller Elementary	WINLOCK, WA	Winlock School District	415	28.7%	30.1%	+1.4pp
12	Mossyrock Elementary School	MOSSYROCK, WA	Mossyrock School District	347	33.6%	34.7%	+1.0pp
13	Toledo Elementary School	Toledo, WA	Toledo School District	432	40.6%	41.5%	+1.0pp
14	Oakview Elementary School	Centralia, WA	Centralia School District	317	26.4%	27.0%	+0.6pp
15	Morton Elementary School	MORTON, WA	Morton School District	194	41.0%	41.4%	+0.4pp
16	Mossyrock Jr./Sr. High School	MOSSYROCK, WA	Mossyrock School District	281	38.3%	37.0%	-1.4pp
17	Pe Ell School	Pe Ell, WA	Pe Ell School District	284	34.3%	32.4%	-1.9pp
18	Adna Middle/High School	Chehalis, WA	Adna School District	369	38.2%	36.0%	-2.2pp
19	Centralia Middle School	Centralia, WA	Centralia School District	479	30.5%	28.1%	-2.4pp
20	Toledo Middle School	Toledo, WA	Toledo School District	186	37.6%	33.6%	-4.0pp
21	Edison Elementary	Centralia, WA	Centralia School District	313	40.7%	36.3%	-4.4pp
22	White Pass Elementary School	Randle, WA	White Pass School District	205	38.9%	34.4%	-4.5pp
23	Onalaska High School	Onalaska, WA	Onalaska School District	281	38.8%	32.7%	-6.1pp
24	Toledo High School	Toledo, WA	Toledo School District	250	61.2%	55.1%	-6.1pp
25	Napavine Elementary	Napavine, WA	Napavine School District	411	46.4%	39.3%	-7.1pp
26	Napavine Jr Sr High School	Napavine, WA	Napavine School District	410	47.1%	39.8%	-7.3pp
27	White Pass Jr. Sr. High School	Randle, WA	White Pass School District	147	38.3%	30.4%	-8.0pp
28	W F West High School	Chehalis, WA	Chehalis School District	950	55.5%	46.0%	-9.4pp
29	Winlock Middle School	WINLOCK, WA	Winlock School District	160	31.7%	21.4%	-10.3pp
30	Onalaska Elementary School	Onalaska, WA	Onalaska School District	437	59.1%	43.8%	-15.2pp

Page 1 of 1 · top 30 of 30 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.