Summary:
ZIP code 98522 has one high-school-level campus, Adna Middle/High School, serving grades 6–12 in a small community near Chehalis, Washington, with 369 students and a student-teacher ratio of 18.9 to 1. The school is part of the Adna School District, which ranks in the 78th percentile statewide and has a four-star rating.
For families comparing schools in this ZIP code, there is no second high school listed, so the most useful comparison is with district and state results. Adna Middle/High School’s overall English language arts proficiency was 51.05% in 2025–2026, nearly matching the statewide rate of 52.81%. Tenth-grade ELA was a notable strength, with 66% of students proficient compared with 64.41% statewide. Eighth-grade science was also essentially at the state level. Mathematics is the clearest area for improvement: 36.51% of students were proficient, compared with 43.11% statewide and 51.1% across the district. Eleventh-grade science and several middle-school results also trailed state averages.
The school’s recent direction is encouraging. Its ranking improved from the 46th percentile in 2024–2025 to the 58th percentile in 2025–2026, while its rating rose from two stars to three. Math proficiency increased by 9.64 percentage points year over year, and ELA improved by 4.02 points. Still, seventh grade deserves particular attention because both ELA and math were below state results, with ELA at 38.89% and math at 33.33%. Overall, the school offers a small 6–12 setting with strong district support, improving academic performance, relatively competitive ELA results, and the greatest remaining need in math and selected middle- and high-school grades.
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