For the 2026-27 school year, there are 2 public high schools serving 786 students in Mattawa, WA.
The top-ranked public high schools in Mattawa, WA are Sentinel Tech Alt School and Wahluke High School. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Mattawa, WA public high schools have an average math proficiency score of 19% (versus the Washington public high school average of 34%), and reading proficiency score of 52% (versus the 65% statewide average). High schools in Mattawa have an average ranking of 3/10, which is in the bottom 50% of Washington public high schools.
Mattawa, WA public high school have a Graduation Rate of 85%, which is more than the Washington average of 84%.
The school with highest graduation rate is Wahluke High School, with 85-89% graduation rate. Read more about public school graduation rate statistics in Washington or national school graduation rate statistics.
Minority enrollment is 99% 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 Mattawa, WA (2026-27)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Sentinel Tech Alt School
Alternative School
(Math: <50% | Reading: <50% )
Rank:
Rank:
4/
Bottom 50%10
20140 Rd 24 Sw
Mattawa, WA 99349
(509) 932-4565
Mattawa, WA 99349
(509) 932-4565
Gr: 6-12 | 36 students Student-teacher ratio: 36:1 Minority enrollment: 97%
Rank: #22.
Wahluke High School
(Math: 15-19% | Reading: 50-54%)
Rank:
Rank:
3/
Bottom 50%10
505 N Boundary
Mattawa, WA 99349
(509) 932-4477
Mattawa, WA 99349
(509) 932-4477
Gr: 9-12 | 750 students Student-teacher ratio: 20:1 Minority enrollment: 99%
Frequently Asked Questions
What are the top-ranked public high schools in Mattawa, WA?
The top-ranked public high schools in Mattawa, WA include Sentinel Tech Alt School and Wahluke High School.
How many public high schools are located in Mattawa?
2 public high schools are located in Mattawa.
What is the racial composition of students in Mattawa?
Mattawa public high schools minority enrollment is 99% of the student body (majority Hispanic), which is more than the Washington public high schools average of 51% (majority Hispanic).
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