For the 2025-26 school year, there are 2 public high schools serving 895 students in 99350, WA.
The top ranked public high school in 99350, WA is Prosser High School. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Public high schools in zipcode 99350 have an average math proficiency score of 17% (versus the Washington public high school average of 34%), and reading proficiency score of 47% (versus the 65% statewide average). High schools in 99350, WA have an average ranking of 2/10, which is in the bottom 50% of Washington public high schools.
Public high school in zipcode 99350 have a Graduation Rate of 92%, which is more than the Washington average of 84%.
The school with highest graduation rate is Prosser High School, with 90-94% graduation rate. Read more about public school graduation rate statistics in Washington or national school graduation rate statistics.
Minority enrollment is 71% of the student body (majority Hispanic), which is more than the Washington public high school average of 50% (majority Hispanic).
Best 99350, WA Public High Schools (2025-26)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Prosser High School
(Math: 15-19% | Reading: 45-49%)
Rank:
Rank:
2/
Bottom 50%10
1500 Paterson Rd.
Prosser, WA 99350
(509) 786-1224
Prosser, WA 99350
(509) 786-1224
Gr: 9-12 | 860 students Student-teacher ratio: 20:1 Minority enrollment: 71%
Rank: n/an/a
Prosser Opportunity Academy
Alternative School
1203 Prosser Ave.
Prosser, WA 99350
(509) 786-1224
Prosser, WA 99350
(509) 786-1224
Gr: 9-12 | 35 students Minority enrollment: 77%
99350, Washington 51³Ô¹ÏÍøºÚÁÏ (Closed)
School
Location
Quick Facts
Prosser Falls Education Center (Closed 2018)
Alternative School
1500 Grant Ave.
Prosser, WA 99350
(509) 786-1820
Prosser, WA 99350
(509) 786-1820
Gr: 9-12 | 41 students Student-teacher ratio: 41:1 Minority enrollment: 63%
Frequently Asked Questions
What are the top ranked public high schools in 99350, WA?
The top ranked public high schools in 99350, WA include Prosser High School.
How many public high schools are located in 99350?
2 public high schools are located in 99350.
What is the racial composition of students in 99350?
99350 public high schools minority enrollment is 71% of the student body (majority Hispanic), which is more than the Washington public high schools average of 50% (majority Hispanic).
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