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For the 2025-26 school year, there are 3 public high schools serving 768 students in Columbia County, WA.

The top ranked public high school in Columbia County, WA is Dayton High School. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.

Columbia County, WA public high schools have an average math proficiency score of 10% (versus the Washington public high school average of 34%), and reading proficiency score of 70% (versus the 65% statewide average). High schools in Columbia County have an average ranking of 5/10, which is in the bottom 50% of Washington public high schools.

Columbia County, WA public high school have a Graduation Rate of 80%, which is less than the Washington average of 84%.

The school with highest graduation rate is Dayton High School, with ≥80% graduation rate. Read more about public school graduation rate statistics in Washington or national school graduation rate statistics.

Minority enrollment is 40% of the student body (majority Hispanic and Black), which is less than the Washington public high school average of 50% (majority Hispanic).