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For the 2026 school year, there are 2 public high schools serving 446 students in Castle Rock, WA.

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

Castle Rock, WA public high schools have an average math proficiency score of 12% (versus the Washington public high school average of 34%), and reading proficiency score of 57% (versus the 65% statewide average). High schools in Castle Rock have an average ranking of 3/10, which is in the bottom 50% of Washington public high schools.

Castle Rock, WA public high school have a Graduation Rate of 77%, which is less than the Washington average of 84%.

The school with highest graduation rate is Castle Rock High School, with 75-79% graduation rate. Read more about public school graduation rate statistics in Washington or national school graduation rate statistics.

Minority enrollment is 18% of the student body (majority Hispanic), which is less than the Washington public high school average of 50% (majority Hispanic).