Needs Improvement
#2150 of 2,225 schools in WA
Prosser High School
High School · Prosser School District
1500 Paterson Rd., Prosser, WA 99350
Enrollment
860
Student-Teacher
19.5:1
Score
3.6
Grades
9th – 12th
Enrollment
860
Student-Teacher
19.5:1
Score
3.6
Grades
9th – 12th
Updated
2022-23
Updated 2022-23
How this school compares
In Prosser
#5 of 5
public schools
Washington high schools
#457 of 476
In district
#6 of 6
Prosser School District
About Prosser High School
Prosser High School serves grades 9 through 12 in the town of Prosser, Washington, with an enrollment of 860 students. The school maintains a student-teacher ratio of 19.5 to 1, supported by 44 full-time equivalent teachers. Academically, Prosser High School is working to strengthen student performance across core subjects.
In reading and language arts, 54% of students scored at proficient levels or above. Mathematics and science present areas of focus, with 20% and 32% of students respectively meeting proficiency benchmarks. The school's overall academic score of 3.5 out of 10 reflects these developmental opportunities, and it ranks in the lower percentile statewide (#1871 out of 2261 Washington schools).
For families considering Prosser High School, it's important to understand that the school is in a growth phase academically and may benefit from additional support or intervention strategies. Parents should feel welcome to discuss with school administrators how their students can access tutoring, academic counseling, or other resources to help close achievement gaps. The school's location in a small-town setting provides a close-knit community environment where staff typically know students well and can offer personalized attention.
Score Breakdown
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Prosser High School — Students at Prosser High School score 31% proficient, which is above what's typical for similar communities (expected: 26%).
Equity & Diversity
Shown separately, not included in overall scoreFree/Reduced Lunch
80.6%
Students qualifying for federal meal assistance
Test Scores WA SBA (2023-24)
Based on 9 test records from WA state assessments. About our data
Proficiency Trend
↓ DecliningAverage proficiency (% at or above grade level) across Math & ELA over time.
Source: EdFacts (NCES) and state assessment data. Growth score: 2.8/10.
How Prosser High School Compares
See how Prosser High School performs across key quality dimensions compared to state benchmarks.
Funding & Resources
Performance Trends
Math proficiency has declined from 35% (2019) to 12.7% (2024). Reading/ELA proficiency has declined from 68% (2019) to 49.8% (2024).
Location
1500 Paterson Rd., Prosser, WA 99350
Nearby Alternatives
Families considering Prosser High School may also want to explore other high schools in the area. Prosser Opportunity Academy (rated 6.0/10, 0.4 miles away), which scores notably higher. Another option is Mabton Jr. Sr. High (rated 5.7/10, 11.3 miles away, in nearby Mabton), which scores notably higher. Additionally, Contract Learning Center (rated 5.1/10, 8.2 miles away, in nearby Grandview), which scores notably higher. For more schools in Prosser, see our Prosser schools guide .
Nearby Schools
20 within 13.4 mi| School | Distance | Rating |
|---|---|---|
| Housel Middle School Prosser | 0.3 mi | 5.4 |
| Prosser Heights Elementary Prosser | 0.5 mi | 7.0 |
| Prosser Opportunity Academy Prosser | 0.4 mi | 6.0 |
| Keene-Riverview Elementary Prosser | 0.9 mi | 7.6 |
| Whitstran Elementary Prosser | 3.1 mi | 7.7 |
| Smith Elementary School Grandview | 7.1 mi | 5.1 |
| Mabton Step Up To College Mabton | 7.9 mi | — |
| Mcclure Elementary School Grandview | 8.2 mi | 6.9 |
| Contract Learning Center Grandview | 8.2 mi | 5.1 |
| Thompson Elementary School Grandview | 8.3 mi | 8.2 |
| Grandview Middle School Grandview | 8.5 mi | 8.0 |
| Grandview High School Grandview | 8.6 mi | 4.8 |
| Artz Fox Elementary Mabton | 11.1 mi | 7.1 |
| Mabton Jr. Sr. High Mabton | 11.3 mi | 5.7 |
| Pioneer Elementary School Sunnyside | 13.5 mi | 6.0 |
| Chief Kamiakin Elementary School Sunnyside | 13.8 mi | 4.8 |
| Harrison Middle School Sunnyside | 13.9 mi | 4.1 |
| Sunnyside High School Sunnyside | 14.0 mi | 4.1 |
| SHS Graduation Alliance Sunnyside | 14.0 mi | — |
| Kiona-Benton City High School Benton City | 13.4 mi | 4.7 |
Neighborhood Census ACS (2019-2023)
Census data for ZIP 99350 (ACS 2019-2023 5-Year Estimates) · Data sources
Median Income
$74,393
Median Home Value
$289,100
Median Rent
$899/mo
Population
14,278
College Educated
19.8%
Homeownership
63.2%
Avg Commute
21.2 min
Poverty Rate
12.1%
Median Age
33.7
Community Profile
The community surrounding Prosser High School has a median household income of $74,393. It is a community where 20% of adults hold a bachelor's degree or higher. The median home value in the area is $289,100, with a median rent of $899/month. The area has a poverty rate of 12.1%. The average commute for residents is 21 minutes. Source: U.S. Census ACS 2022 5-Year Estimates.
Similar Schools
Schools in the same state with comparable level, size, and ratings
| School | Rating |
|---|---|
| North Mason Senior High School Belfair, WA | 3.7 |
| Orting High School Orting, WA | 3.7 |
| Tyee High School Seatac, WA | 3.7 |
| Technology Access Foundation Academy at Saghalie Federal Way, WA | 3.8 |
| Steilacoom High Steilacoom, WA | 3.9 |
| Hudson's Bay High School Vancouver, WA | 3.3 |
Frequently Asked Questions
Common questions about Prosser High School
What grades does Prosser High School serve?
Prosser High School serves students in grades 9th through 12th.
How many students attend Prosser High School?
Prosser High School has an enrollment of approximately 860 students.
What is the student-teacher ratio at Prosser High School?
The student-teacher ratio at Prosser High School is 19.5:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.
How does Prosser High School rank in WA?
Prosser High School is ranked #2150 out of 2,225 schools in WA.
What is Prosser High School's MySchoolScout rating?
Prosser High School has a composite rating of 3.6 out of 10 on MySchoolScout. This score combines academic performance, student growth, and school environment into a single score. Equity data is shown separately for context.
What are the test scores at Prosser High School?
Based on the most recent state assessment data, Prosser High School has 20.1% math proficiency and 53.7% reading/ELA proficiency.
Is Prosser High School a charter school?
No, Prosser High School is not a charter school. It is a traditional public school operated by the local school district.
Is Prosser High School a Title I school?
No, Prosser High School is not currently a Title I school.
What does the Free & Reduced Lunch percentage mean for Prosser High School?
80.6% of students at Prosser High School qualify for free or reduced-price lunch. This is a commonly used indicator of economic need and provides important context when interpreting test scores.
Explore More Schools
Neighborhood Context
- City Safety
- High (1,862/100K)
FBI UCR 2024. City-level (Prosser). Data >1 year old.
Quick Facts NCES CCD (SY 2022-23)
- Grades
- 9th – 12th
- Enrollment
- 860
- Student-Teacher Ratio
- 19.5:1
- Teachers (FTE)
- 44
- Free/Reduced Lunch
- 80.6%
- Type
- regular
- Setting
- Distant Town
- County
- Benton County
- Phone
- (509) 786-1224
- Data Year
- 2023–2024
Resources & Links
District
Prosser School District- District Enrollment
- 2,460
- Schools in District
- 6
- Per-Pupil Spending
- $18,483
- District Rank
- #6 of 6
Other Schools in This District
How We Rate Schools
Every school receives a composite score from 1 to 10 based on four pillars: Academic Performance (50%), Student Growth (20%), Equity (15%), and Learning Environment (15%). Scores are built from publicly available data including standardized test results, enrollment figures, and school climate indicators.
Read our full methodologyRelated reading
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