For the 2026 school year, there are 5 public schools serving 2,425 students in 99350, WA.
The top-ranked public schools in 99350, WA are Whitstran Elementary School, Prosser High School and Prosser Heights Elementary School. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Public schools in zipcode 99350 have an average math proficiency score of 23% (versus the Washington public school average of 41%), and reading proficiency score of 34% (versus the 53% statewide average). Schools in 99350, WA have an average ranking of 2/10, which is in the bottom 50% of Washington public schools.
Minority enrollment is 74% of the student body (majority Hispanic), which is more than the Washington public school average of 52% (majority Hispanic).
Best 99350, WA Public Schools (2026)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Whitstran Elementary School
(Math: 25-29% | Reading: 35-39%)
Rank:
Rank:
3/
Bottom 50%10
102101 W. Foisy
Prosser, WA 99350
(509) 778-4434
Prosser, WA 99350
(509) 778-4434
Gr: K-5 | 241 students Student-teacher ratio: 14:1 Minority enrollment: 77%
Rank: #22.
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: #33.
Prosser Heights Elementary School
(Math: 31% | Reading: 29%)
Rank:
Rank:
2/
Bottom 50%10
2008 Miller Ave.
Prosser, WA 99350
(509) 786-2633
Prosser, WA 99350
(509) 786-2633
Gr: 3-5 | 375 students Student-teacher ratio: 14:1 Minority enrollment: 72%
Rank: #44.
Housel Middle School
(Math: 20% | Reading: 33%)
Rank:
Rank:
2/
Bottom 50%10
2001 Highland Dr.
Prosser, WA 99350
(509) 786-1732
Prosser, WA 99350
(509) 786-1732
Gr: 6-8 | 559 students Student-teacher ratio: 17:1 Minority enrollment: 76%
Rank: n/an/a
832 Park Ave.
Prosser, WA 99350
(509) 786-2020
Prosser, WA 99350
(509) 786-2020
Gr: PK-2 | 390 students Student-teacher ratio: 13:1 Minority enrollment: 75%
99350, Washington Public Schools (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%
Prosser Opportunity Academy (Closed 2025)
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%
Frequently Asked Questions
What are the top-ranked public schools in 99350, WA?
The top-ranked public schools in 99350, WA include Whitstran Elementary School, Prosser High School and Prosser Heights Elementary School.
How many public schools are located in 99350?
5 public schools are located in 99350.
What is the racial composition of students in 99350?
99350 public schools minority enrollment is 74% of the student body (majority Hispanic), which is more than the Washington public schools average of 52% (majority Hispanic).
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