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For the 2026 school year, there is 1 public high school serving 61 students in Cosmopolis, WA.

The top-ranked public high school in Cosmopolis, WA is North River School. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.

Cosmopolis, WA public high school have an average math proficiency score of 34% (versus the Washington public high school average of 34%), and reading proficiency score of 45% (versus the 65% statewide average). High schools in Cosmopolis have an average ranking of 4/10, which is in the bottom 50% of Washington public high schools.

Cosmopolis, WA public high school have a Graduation Rate of 50%, which is less than the Washington average of 84%.

The school with highest graduation rate is North River School, with ≥50% graduation rate. Read more about public school graduation rate statistics in Washington or national school graduation rate statistics.

Minority enrollment is 31% of the student body (majority Hispanic), which is less than the Washington public high school average of 50% (majority Hispanic).