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SCHOOL COMMUNITY·MOSSYROCK SCHOOL DISTRICT·NCES 530525000795

Mossyrock Elementary School

445 WILLIAMS ST, MOSSYROCK, WA 98564 · (360) 983-3184 · Lewis County
GRADES KG–06ELEMENTARY42-RURALTITLE IREGULAR SCHOOL347 STUDENTS
Enrollment
347
Elementary
DISTRICT 215 · STATE 380
Student : Teacher
19.6:1
18 FTE teachers
DISTRICT 14.3:1 · STATE 17.3:1
Free / Reduced Lunch
67%
234 students
DISTRICT 72% · STATE 51%
Community
0
0 members
Enrollment and student:teacher ratio compared against other elementary schools. Free/Reduced Lunch and demographics compared against all schools.
Enrollment by grade
Kindergarten
60
Grade 1
50
Grade 2
41
Grade 3
53
Grade 4
44
Grade 5
54
Grade 6
45
Student demographics
White
25874%
DISTRICT 69% · STATE 47%
Hispanic
7923%
DISTRICT 26% · STATE 27%
Black
21%
DISTRICT 1% · STATE 5%
Asian
10%
DISTRICT 0% · STATE 9%
Two+
41%
DISTRICT 3% · STATE 9%
Native American
31%
DISTRICT 1% · STATE 1%
Student head counts by race/ethnicity from federal NCES enrollment data. Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
Male
18453%
Female
16347%

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Test scores

Smarter Balanced + WCAS 2024-25 . % Met or Exceeded Standard
English Language Arts
41.1%
WA avg 58.4% . +2.9pp since 2014
Math
28.2%
WA avg 51.2% . -18.8pp since 2014
Source: Smarter Balanced + WCAS. All students, all grades. See all years and grades →

BeatsExpectations

Demographically-adjusted score · methodology
Tier
AS EXPECTED
Performing as predicted given the school's student profile
Actual proficiency
37.2%
composite math + reading, all grades
Predicted
35.0%
based on WA schools with similar FRL share
Beats by
+2.2pp
above demographic expectation
BeatsExpectations runs a per-state regression of proficiency on free/reduced-lunch share, then scores each school by residual. How this is calculated →

7-year change

SY 2017-18 vs SY 2024-25
Enrollment
347
+51 (+17%) vs 2017
Student : Teacher
19.6:1
was 16.9:1
% White
74%
was 69%
% Hispanic
23%
was 28%
% Black
1%
was 1%
% Asian
0%
was 0%
Source: NCES Common Core of Data

About Mossyrock Elementary School

As an average-sized elementary-level community in MOSSYROCK, Washington, Mossyrock Elementary School instructs 347 students from grades K through 6, part of Mossyrock School District.

Mossyrock Elementary School is one of 3 schools operated by Mossyrock School District, a district that works with 644 students overall.

On the student-mix side, Mossyrock Elementary School lists that 74% of the student body identifies as White; the rest looks like 23% Hispanic.

In terms of school funding signals, Staff filings list 18 full-time-equivalent teachers, which works out to roughly 19.6:1 students per teacher. That figure is higher than the state norm's 17.3:1 average. About 67% of enrolled students meet the income threshold for free or reduced-price lunch, which schools and policymakers use as a rough income-mix signal. By comparison, Lewis County runs at roughly 57%, so the school's eligibility rate is higher than the surrounding baseline.

After controlling for student poverty, Mossyrock Elementary School sits in the middle band of the BeatsExpectations distribution. Schools with this campus's student mix typically land near 35.0%; this one delivers 37.2%.

Zooming out to the county, ACS estimates for Lewis County put the typical household earns roughly $74,796 per year, about 22% of the adult population holds a bachelor's degree or above, and the poverty rate sits near 8%. Across Lewis County's 45 public schools (combined enrollment of about 12,548 students), Mossyrock Elementary School is one campus in the mix.

The closest other public school is Mossyrock Academy, roughly 0.1 miles away. Counting just inside five miles, 2 other public schools cluster around Mossyrock Elementary School. Among the 8 schools in that immediate cluster with test data (this one included), Mossyrock Elementary School ranks 6th on composite proficiency, beneath the local average of 42.1%.

The campus sits in an outlying setting.

Five-year trend. Looking back 7 years, enrollment at Mossyrock Elementary School has climbed 17%, going from 296 students in 2018 to 347 in 2025. The White share of enrollment ticked up from 69% to 74% over that span. The student-to-teacher ratio widened from 16.9:1 in 2018 to 19.6:1 today.

In the discussion threads here, the page collects discussion, questions, and updates around school events, parent volunteer needs, and clubs. The community welcomes input from current and former families.

Lewis County at a glance

View full county profile
Population
85,154
Census ACS
Median income
$74,796
Household, ACS
Bachelor's+
22%
Adults 25+
Poverty rate
8%
Below federal line
Schools in county
45
12,548 students

Quick facts

School name
Mossyrock Elementary School
District
Mossyrock School District
Address
445 WILLIAMS ST, MOSSYROCK, WA 98564
Phone
(360) 983-3184
County
Lewis County
Level
Elementary
Grade range
KG–06
Total enrollment
347
Teachers (FTE)
18
Student–teacher ratio
19.6:1
Free/Reduced lunch
234 (67%)
Locale
42-Rural: Distant
NCES ID
530525000795
Charter school
No
Virtual school
No

Related schools

Other schools in Mossyrock School District
Other schools in MOSSYROCK
Nearby schools

Frequently asked questions

About Mossyrock Elementary School
How large is Mossyrock Elementary School?
Mossyrock Elementary School enrolls approximately 347 students in grades KG-06.
What age range does Mossyrock Elementary School serve?
Mossyrock Elementary School serves students from grade KG through grade 06.
How many students per teacher at Mossyrock Elementary School?
Approximately 19.6:1 students per teacher at Mossyrock Elementary School.
What is the racial breakdown of students at Mossyrock Elementary School?
At Mossyrock Elementary School, the student body is approximately 74% White, 23% Hispanic, 1% Black, 0% Asian, 1% Two or more.
Is Mossyrock Elementary School public or private?
Mossyrock Elementary School is a public K-12 school, overseen by Mossyrock School District.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
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