Summary:
The 98563 ZIP code includes three schools serving about 1,433 students from preschool through grade 12 in the Montesano School District, with grades 3–6 at Simpson Avenue and grades 7–12 at Montesano Junior-Senior High rather than a separate middle school.
The district is a strong performer statewide, ranking 29th of 238 districts, in the 88th percentile, with a four-star rating. Simpson Avenue Elementary has the strongest current academic profile: 59.29% of students were proficient in math and 63.92% in science in 2025–2026, both well above state results. Its school ranking has also improved steadily, reaching the 77th percentile. The main concern is sixth-grade math, where proficiency fell to 43.02%, compared with 67.01% in fifth grade. Montesano Junior-Senior High has strong completion outcomes, including a 94% graduation rate and a 3.4% dropout rate. Its ELA proficiency was 67.54%, above district and state levels, while math proficiency was lower at 41.23%. The high school’s rankings improved substantially in the latest year.
Beacon Avenue Elementary School serves preschool through second grade and has the lowest student-teacher ratio, at 16.4, as well as the highest spending per student. However, the available information does not include current test scores or rankings, so its academic performance cannot be compared reliably with the other schools. Across the area, about 41% of students are eligible for free or reduced-price lunch. For parents, the clearest takeaway is that the schools offer a generally strong district foundation, with Simpson standing out academically and Montesano standing out for graduation and ELA results. Mathematics—especially the transition from sixth grade into high school—is the most important improvement priority.
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