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Prosser High School

Public Grades 9-12
296th
SchoolDigger Rank ?
of 438 Washington High Schools
Better than 32% of Washington high schools
Summary

Prosser High School is a public high school serving about 877 students in grades 9-12 in the Prosser School District, a rural community in Washington state.

The school's greatest strength is its outstanding record of helping students graduate, with a 94.3% graduation rate that is the highest in the area and well above the state average, paired with a very low dropout rate. Academically, Prosser is a regional leader, particularly in English Language Arts, where its proficiency rate beats both the state average and all nearby schools like Sunnyside High School and Grandview High School. Its math and science scores, while below the state average, are also significantly stronger than those of its immediate neighbors.

Prosser High has shown recent improvement in its state rating and operates with a favorable student-teacher ratio. A key challenge is ensuring consistent academic performance across all student groups, as the school's effectiveness varies. It's important to note that the Prosser School District's overall low state ranking is heavily influenced by the performance of the separate Prosser Opportunity Academy, an alternative high school. Overall, Prosser High stands out in its region for keeping students engaged and on track to graduate.

877
Students ?
19.6
Student/teacher ratio ?
$18,068
Per pupil spending ?
62.3%
Free/discounted lunch ?
 1500 Paterson Rd.
       Prosser, WA  99350-1430

(509) 786-1224

District: Prosser School District


Feeder schools for Prosser High School:

Elementary:    Keene-Riverview Elementary
    Prosser Heights Elementary
Middle:    Housel Middle School
Racial breakdown:

Hispanic:
66.5%
White:
29.5%
Two or more races:
1.6%
more
 See top rated Washington high schools

 Compare Prosser High School to nearby high schools!
At a glance
Ranking trend: Rebounding — 20th percentile in 2022 → 32nd in 2025
Strengths
94% graduate in 4 years — above the Washington average (83%)
Ranking is rebounding — up to 32nd (2025) from a 20th-percentile low (2022)
Worth a look
!Test scores below the Washington average (40% vs 48% meeting standards)
!Some student groups rank well below the school's overall statewide standing
!Math scores 17 pts below the Washington average
Students meeting standards (2024-2025) ?
This school40%
District avg35%
Washington avg48%
296th of 438
Washington public high schools ?
Bottom 32%▲ up 8 pts since 2015
From bottom 25% (2015) to bottom 32% (2025)
See the entire ranking list of Washington High Schools →
SchoolDigger rating ?
196th of 247Prosser School District among Washington districts
Statewide rank percentile over time (100 = the top-ranked school in the state; click a legend item to add a student group)
Show full rank history (all student groups)

All Students

YearAvg scoreStatewide rankWashington percentileRating
202533.7296 of 43832.4%★★☆☆☆
202429.1320 of 43726.8%★☆☆☆☆
202326.9323 of 44226.9%★☆☆☆☆
202222.3347 of 43420.0%★☆☆☆☆
202126.3342 of 45524.8%★☆☆☆☆
201939.6265 of 41736.5%★★☆☆☆
201841.2221 of 31529.8%★★☆☆☆
201666.5100 of 30667.3%★★★☆☆
201529.6257 of 34124.6%★☆☆☆☆
201358.3200 of 45455.9%★★★☆☆
201253.6214 of 45052.4%★★★☆☆
201157.9164 of 44062.7%★★★☆☆
201053.6217 of 42348.7%★★☆☆☆
200946.9247 of 40238.6%★★☆☆☆
200849.1242 of 39638.9%★★☆☆☆
200742.3270 of 39932.3%★★☆☆☆
200647.2248 of 39537.2%★★☆☆☆
200553.1219 of 39444.4%★★☆☆☆
200429.0291 of 39025.4%★☆☆☆☆

Female

YearAvg scoreStatewide rankWashington percentileRating
202531.6246 of 35029.7%★☆☆☆☆
202429.5261 of 34724.8%★☆☆☆☆
202327.1269 of 35724.6%★☆☆☆☆
202225.3288 of 36821.7%★☆☆☆☆
202128.0295 of 39024.4%★☆☆☆☆
201948.8193 of 35846.1%★★☆☆☆
201847.8147 of 24339.5%★★☆☆☆

Hispanic

YearAvg scoreStatewide rankWashington percentileRating
202529.0181 of 24927.3%★☆☆☆☆
202429.7180 of 24827.4%★☆☆☆☆
202325.4195 of 24921.7%★☆☆☆☆
202222.8219 of 26116.1%★☆☆☆☆
202127.6209 of 27824.8%★☆☆☆☆
201933.2163 of 24132.4%★★☆☆☆
201847.483 of 15646.8%★★☆☆☆

Low Socio Economic Status

YearAvg scoreStatewide rankWashington percentileRating
202535.1232 of 35534.6%★★☆☆☆
202436.5234 of 35634.3%★★☆☆☆
202339.7217 of 36240.1%★★☆☆☆
202221.7316 of 37014.6%★☆☆☆☆
202129.0297 of 39224.2%★☆☆☆☆
201941.7213 of 34438.1%★★☆☆☆
201840.5160 of 22729.5%★★☆☆☆

Male

YearAvg scoreStatewide rankWashington percentileRating
202529.8257 of 35928.4%★☆☆☆☆
202422.9290 of 36219.9%★☆☆☆☆
202319.7294 of 35817.9%★☆☆☆☆
202216.4318 of 36312.4%★☆☆☆☆
202123.6321 of 39518.7%★☆☆☆☆
201926.7278 of 35521.7%★☆☆☆☆
201829.5198 of 25422.0%★☆☆☆☆

Migrant

YearAvg scoreStatewide rankWashington percentileRating
202547.914 of 3053.3%★★★☆☆
202442.816 of 2740.7%★★☆☆☆
202356.111 of 2860.7%★★★☆☆
202223.428 of 319.7%★☆☆☆☆
202147.918 of 3548.6%★★★☆☆
201969.25 of 2580.0%★★★★☆
201887.32 of 2090.0%★★★★★

Special Education

YearAvg scoreStatewide rankWashington percentileRating
201815.7131 of 1395.8%☆☆☆☆☆

White

YearAvg scoreStatewide rankWashington percentileRating
202564.2113 of 37369.7%★★★★☆
202448.2185 of 37450.5%★★★☆☆
202340.2235 of 37938.0%★★☆☆☆
202230.7290 of 39025.6%★☆☆☆☆
202144.2215 of 41347.9%★★☆☆☆
201963.8124 of 38267.5%★★★☆☆
201844.9139 of 22237.4%★★☆☆☆
How student groups rank statewide ? (each group's percentile vs the same group at other schools — higher is better; the +/- beside each compares the group with this school's overall percentile)
White (2025)70th percentile+37 vs school
Migrant (2025)53rd percentile+21 vs school
Low Socio Economic Status (2025)35th percentile~ school
Female (2025)30th percentile-3 vs school
Male (2025)28th percentile-4 vs school
Hispanic (2025)27th percentile-5 vs school
Special Education (2018)6th percentile-24 vs school
By subject vs Washington (2024-2025) ?
English Language Arts57%+4 vs state
Science37%-12 vs state
Math25%-17 vs state

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Frequently Asked Questions about Prosser High School

Prosser High School is fed by the following schools:

Elementary : Keene-Riverview Elementary
Elementary : Prosser Heights Elementary
Middle : Housel Middle School

Students at Prosser High School are 66% Hispanic, 30% White, 2% Two or more races, 1% Asian.

In the 2024-25 school year, 877 students attended Prosser High School.

Prosser High School ranks 296th of 438 Washington high schools. SchoolDigger rates this school 2 stars out of 5.


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SchoolDigger data sources: National Center for Education Statistics, U.S. Department of Education, the U.S. Census Bureau, the Washington State Department of Health and the Washington Office of Superindentent of Public Instruction.

IMPORTANT DISCLAIMERS: Not all boundaries are included. We make every effort to ensure that boundaries are up-to-date. But it's important to note that these are approximations and are for general informational purposes only. To verify legal descriptions of boundaries or school locations, contact your local tax assessor's office and/or school district.





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