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
Media Literacy as a Core Skill: How to Tell if a School Teaches It Well
Learn how to evaluate whether a public school teaches media literacy effectively, from fact-checking and source evaluation to digital citizenship and critical thinking.
Screen Time, Paper Learning, and the New Back-to-Basics Debate
Explore why some public schools are reducing screen time, bringing back paper learning, and rethinking the balance between technology and traditional instruction.
Student Data, AI Tools, and Privacy: Questions to Ask Your District
Learn how public schools use AI, protect student data, and the key privacy questions every parent should ask their school district in 2026.