Summary:
High-school options in ZIP code 98520 include five programs serving grades 6–12 in and around Aberdeen, ranging from a large traditional high school to alternative, vocational, and juvenile-detention settings. All are associated with Aberdeen School District, and together they enroll about 1,138 students. The largest is J M Weatherwax High School, with 919 students, while the other programs are much smaller and serve more specialized purposes.
J M Weatherwax High School is the strongest overall choice among the schools with substantial comparable data. Its 2025–2026 proficiency rates were 54.01% in English language arts, 14.05% in math, and 37.71% in science. ELA performance was above both the district and state, and science was slightly above the district. Its 81% graduation rate was also slightly above the district rate, although below the state rate. Math is the clearest concern: proficiency declined from the prior year and was far below the statewide figure. Harbor Junior/Senior High School, serving grades 7–12, is much smaller and has lower overall achievement, with 23.08% ELA and 31.25% science proficiency. However, both measures improved from the previous year.
The remaining programs should not be compared directly with a conventional high school. Harbor Open Doors is an alternative grades 10–12 program with a 21.5% graduation rate and 39.2% dropout rate, indicating a significant completion challenge but also reflecting its specialized student population. Twin Harbors A Branch of New Market Skills Center provides career-focused instruction, while Grays Harbor Juvenile Detention is a very small, high-support program. Many results for these schools are suppressed or unavailable because of small enrollments. Overall, parents seeking a traditional high-school experience will find the most complete and favorable profile at J M Weatherwax, while the other programs are designed for specific academic, career, or support needs.
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