Summary:
Winlock Senior High is the only high school in Winlock School District, serving grades 9–12 in the small community of Winlock, Washington. The school enrolls 226 students and has a student–teacher ratio of 22.9 to 1, making it a relatively small high school where yearly results may change noticeably from one graduating class to another.
The school’s overall standing has improved considerably. Its ranking rose from the 19th percentile and one star in 2023–24 to the 57th percentile and three stars in 2025–26. Academically, English Language Arts is the clearest strength: 63.04% of students were proficient in 2025–26, about 10 percentage points above the state and nearly 30 points above the district. Science proficiency was 46.67%, well above the district but slightly below the state. Graduation was 82% in 2024–25, nearly matching Washington’s 82.6% rate.
Math is the main area parents may want to monitor. Only 30.43% of students were proficient in 2025–26, which was higher than the district but about 13 points below the state, and math performance declined from the previous year. The school’s 60.18% free- or reduced-price lunch participation indicates that many students may have significant economic needs, an important consideration when reviewing school outcomes and support services. Overall, Winlock Senior High appears to be improving and performs better than its district comparison in every reported subject, while continued attention to math and maintaining progress in ELA and science will be important.
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