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For the 2026 school year, there are 2 public high schools serving 815 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 50% (majority Hispanic).