For the 2026 school year, there are 3 public high schools serving 1,037 students in Prosser, WA.
The top-ranked public high schools in Prosser, WA are Prosser High School and Northwest Allprep. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Prosser, WA public high schools have an average math proficiency score of 17% (versus the Washington public high school average of 34%), and reading proficiency score of 43% (versus the 65% statewide average). High schools in Prosser have an average ranking of 2/10, which is in the bottom 50% of Washington public high schools.
Prosser, WA public high school have a Graduation Rate of 84%, which is equal to 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 66% of the student body (majority Hispanic), which is more than the Washington public high school average of 51% (majority Hispanic).
Best Public High Schools in Prosser, WA (2026)
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 | 877 students Student-teacher ratio: 19:1 Minority enrollment: 70%
Rank: #22.
Northwest Allprep
(Math: 15-19% | Reading: 39%)
Rank:
Rank:
2/
Bottom 50%10
2016 S. Steele Rd.
Prosser, WA 99350
(972) 365-0561
Prosser, WA 99350
(972) 365-0561
Gr: K-12 | 112 students Minority enrollment: 31%
Rank: n/an/a
Prosser Opportunity Academy
Alternative School
1500 Paterson Rd.
Prosser, WA 99350
(509) 786-1224
Prosser, WA 99350
(509) 786-1224
Gr: 9-12 | 48 students Minority enrollment: 71%
Frequently Asked Questions
What are the top-ranked public high schools in Prosser, WA?
The top-ranked public high schools in Prosser, WA include Prosser High School and Northwest Allprep.
How many public high schools are located in Prosser?
3 public high schools are located in Prosser.
What is the racial composition of students in Prosser?
Prosser public high schools minority enrollment is 66% of the student body (majority Hispanic), which is more than the Washington public high schools average of 51% (majority Hispanic).
Recent Articles
AI Report Cards: Should Schools Evaluate AI Use?
Explore whether schools should assess student AI use, the benefits, risks, and what responsible AI report cards could look like in 2026.
The Parent’s Guide to School Cell Phone Bans in 2026
Learn how school cell phone bans work in 2026, why districts are adopting them, and what parents should expect.
Parental Involvement in Public Schools: 2026 Update
Explore the latest 2026 trends, research, and strategies shaping parental involvement in public schools and student success.