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SCHOOL COMMUNITY·PROSSER SCHOOL DISTRICT·NCES 530690001012

Prosser High School

1500 Paterson Rd., Prosser, WA 99350 · (509) 786-1224 · Benton County
GRADES 09–12HIGH32-TOWNTITLE IREGULAR SCHOOL877 STUDENTS
Enrollment
877
High
DISTRICT 463 · STATE 573
Student : Teacher
19.6:1
45 FTE teachers
DISTRICT 19.6:1 · STATE 21.6:1
Free / Reduced Lunch
62%
546 students
DISTRICT 74% · STATE 51%
Community
1
0 members
Enrollment and student:teacher ratio compared against other high schools. Free/Reduced Lunch and demographics compared against all schools.
Enrollment by grade
Grade 9
212
Grade 10
222
Grade 11
226
Grade 12
217
Student demographics
White
30%
DISTRICT 26% · STATE 47%
Hispanic
66%
DISTRICT 70% · STATE 27%
Black
0%
DISTRICT 0% · STATE 5%
Asian
1%
DISTRICT 1% · STATE 9%
Two+
2%
DISTRICT 2% · STATE 9%
Native American
n/r
Pacific Islander
n/r
n/r: not reliably reported by NCES for this school. Hispanic, Pacific Islander, and Native American enrollment are systematically under-reported in the source data.
Gender split
Male
48%
Female
52%

Discussions

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Test scores

Smarter Balanced + WCAS 2022-23 . % Met or Exceeded Standard
English Language Arts
47.5%
WA avg 49.0% . +32.0pp since 2014
Math
14.7%
WA avg 39.2% . -2.2pp since 2014
Source: Smarter Balanced + WCAS. All students, all grades. See all years and grades →

7-year change

SY 2017-18 vs SY 2024-25
Enrollment
877
-9 (-1%) vs 2017
Student : Teacher
19.6:1
was 20.8:1
% White
30%
was 34%
% Hispanic
66%
was 61%
% Black
0%
was 1%
% Asian
1%
was 1%
Source: NCES Common Core of Data

About Prosser High School

Located at 1500 Paterson Rd., in Prosser, Washington, Prosser High School is a sprawling high school that works with 877 students (grades 9 through 12), run under Prosser School District. By comparison, Washington's public schools average about 573 students each, so Prosser High School sits 53% bigger than that benchmark.

Prosser School District comprises 6 schools with combined enrollment of 2,534 students; Prosser High School is among them.

On demographics, Prosser High School records that Hispanic students make up the majority at 66%. Beyond that, the school reports 30% White. That is meaningfully more Hispanic than the county at large, where the share is closer to 26%.

On the resource side, Prosser High School lists 45 full-time-equivalent teachers, putting the student-to-teacher ratio at about 19.6:1. The state averages around 21.6:1, so this campus is tighter than the state norm typical. Around 62% of the student body qualifies for free or reduced-price meals, which schools and policymakers use as a rough income-mix signal. Set against Benton County (around 49%), the school's rate is somewhat above typical.

In the area at large, the surrounding county (Benton County) shows that median household income runs about $89,874, 33% of adults hold a bachelor's degree or higher, and the poverty rate sits near 8%. Across Benton County's 69 public schools (combined enrollment of about 38,191 students), Prosser High School is one campus in the mix.

Prosser Opportunity Academy is the nearest neighboring public school, about 0.0 miles from this campus. 5 of the 8 nearest public schools sit inside a five-mile radius.

The school occupies a town-based site.

Over the past 7-year window. Looking back 7 years, enrollment at Prosser High School has remained close to its prior level, going from 886 students in 2018 to 877 in 2025. Hispanic enrollment moved from 61% to 66% across the same window. Class-load math has narrowed: from 20.8:1 in 2018 to 19.6:1 in 2025.

In the discussion threads here, recent activity here tends to focus on open house dates, ride-share offers, and field-trip permission slips. Contributors range from current parents to recent graduates and teachers.

Benton County at a glance

View full county profile
Population
212,905
Census ACS
Median income
$89,874
Household, ACS
Bachelor's+
33%
Adults 25+
Poverty rate
8%
Below federal line
Schools in county
69
38,191 students

Quick facts

School name
Prosser High School
District
Prosser School District
Address
1500 Paterson Rd., Prosser, WA 99350
Phone
(509) 786-1224
County
Benton County
Level
High
Grade range
09–12
Total enrollment
877
Teachers (FTE)
45
Student–teacher ratio
19.6:1
Free/Reduced lunch
546 (62%)
Locale
32-Town: Distant
NCES ID
530690001012
Charter school
No
Virtual school
No

Related schools

Other schools in Prosser School District
Other schools in Prosser
Nearby schools

Frequently asked questions

About Prosser High School
How large is Prosser High School?
Prosser High School enrolls approximately 877 students in grades 09-12.
Is Prosser High School an elementary, middle, or high school?
Prosser High School is a high school covering grades 09-12.
How many teachers does Prosser High School have?
Prosser High School employs 45 FTE teachers, for a student-to-teacher ratio of 19.6:1.
What is the student diversity at Prosser High School?
Student demographics at Prosser High School are roughly 30% White, 66% Hispanic, 0% Black, 1% Asian, 2% Two or more.
Is Prosser High School public or private?
Prosser High School is a public K-12 school, overseen by Prosser School District.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
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