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SCHOOL COMMUNITY·SUNNYSIDE SCHOOL DISTRICT·NCES 530867001451

Harrison Middle School

810 S. 16th Street, Sunnyside, WA 98944 · (509) 837-3601 · Yakima County
GRADES 06–08MIDDLE32-TOWNTITLE IREGULAR SCHOOL820 STUDENTS
Enrollment
820
Middle
DISTRICT 685 · STATE 577
Student : Teacher
20.3:1
40 FTE teachers
DISTRICT 19.6:1 · STATE 18.9:1
Free / Reduced Lunch
83%
681 students
DISTRICT 87% · STATE 51%
Community
1
0 members
Enrollment and student:teacher ratio compared against other middle schools. Free/Reduced Lunch and demographics compared against all schools.
Enrollment by grade
Grade 6
267
Grade 7
280
Grade 8
273
Student demographics
White
466%
DISTRICT 6% · STATE 47%
Hispanic
76994%
DISTRICT 93% · STATE 27%
Black
10%
DISTRICT 0% · STATE 5%
Two+
40%
DISTRICT 1% · STATE 9%
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
41050%
Female
41050%

Discussions

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Test scores

Smarter Balanced + WCAS 2024-25 . % Met or Exceeded Standard
English Language Arts
35.0%
WA avg 58.4% . -0.1pp since 2014
Math
20.4%
WA avg 51.2% . -13.6pp 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
26.7%
composite math + reading, all grades
Predicted
24.5%
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
820
-100 (-11%) vs 2017
Student : Teacher
20.3:1
was 21.9:1
% White
6%
was 7%
% Hispanic
94%
was 92%
% Black
0%
was 0%
Source: NCES Common Core of Data

About Harrison Middle School

Harrison Middle School is a mid-tier intermediate school in Sunnyside, Washington, overseen by Sunnyside School District. The school instructs 820 students in grades 6 through 8. By comparison, Washington's public schools average about 577 students each, so Harrison Middle School sits 42% larger than that benchmark.

Harrison Middle School is one of 9 schools operated by Sunnyside School District, a district that caters to 6,151 students overall.

Looking at the student body, Harrison Middle School records that nearly all students (94%) are Hispanic; the rest looks like 6% White. That is visibly more Hispanic than the county at large, where the share is closer to 52%.

Looking at the economic backdrop, Harrison Middle School logs 40 full-time-equivalent teachers, putting the student-to-teacher ratio at about 20.3:1. The state averages around 18.9:1, so this campus is higher than the state norm typical. Around 83% of the student body qualifies for free or reduced-price meals, a commonly cited indicator of low-income enrollment.

After controlling for student poverty, Harrison Middle School sits in the middle band of the BeatsExpectations distribution. Schools with this campus's student mix typically land near 24.5%; this one delivers 26.7%.

Zooming out to the county, community-level numbers for Yakima County indicate the typical household earns roughly $70,656 per year, 19% of adults hold a bachelor's degree or higher, and the poverty rate sits near 12%. Across Yakima County's 119 public schools (combined enrollment of about 52,145 students), Harrison Middle School is one campus in the mix.

Chief Kamiakin Elementary School is the nearest neighboring public school, about 0.2 miles from this campus. 7 of the 8 nearest public schools sit inside a five-mile radius. Ranking that nearby cluster on reported proficiency puts Harrison Middle School at 5th of 7; the average score across the group is 27.2%.

The campus sits in a small-town setting.

Over the past 7-year window. Looking back 7 years, enrollment at Harrison Middle School has shrank 11%, going from 920 students in 2018 to 820 in 2025. The student-to-teacher ratio pulled in from 21.9:1 in 2018 to 20.3:1 today.

On this page, members of the Harrison Middle School community share and discuss sports schedules, lunch menu changes, and school spirit week. Contributors range from current parents to recent graduates and teachers.

Yakima County at a glance

View full county profile
Population
257,152
Census ACS
Median income
$70,656
Household, ACS
Bachelor's+
19%
Adults 25+
Poverty rate
12%
Below federal line
Schools in county
119
52,145 students

Quick facts

School name
Harrison Middle School
District
Sunnyside School District
Address
810 S. 16th Street, Sunnyside, WA 98944
Phone
(509) 837-3601
County
Yakima County
Level
Middle
Grade range
06–08
Total enrollment
820
Teachers (FTE)
40
Student–teacher ratio
20.3:1
Free/Reduced lunch
681 (83%)
Locale
32-Town: Distant
NCES ID
530867001451
Charter school
No
Virtual school
No

Related schools

Other schools in Sunnyside School District
Other schools in Sunnyside
Nearby schools

Frequently asked questions

About Harrison Middle School
How many students attend Harrison Middle School?
Harrison Middle School enrolls approximately 820 students in grades 06-08.
What grades does Harrison Middle School serve?
Harrison Middle School serves grades 06-08.
What is the student-teacher ratio at Harrison Middle School?
The student-to-teacher ratio at Harrison Middle School is approximately 20.3:1 (40 FTE teachers).
What is the student diversity at Harrison Middle School?
Student demographics at Harrison Middle School are roughly 6% White, 94% Hispanic, 0% Black, 0% Two or more.
Who oversees Harrison Middle School?
Harrison Middle School is overseen by Sunnyside School District in Yakima County.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
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