Summary:
Zip code 98356, serving Morton, has two public schools in the Morton School District: Morton Elementary School for pre-kindergarten through Grade 4 and Morton Junior-Senior High for Grades 7–12, with no separately listed school for Grades 5–6.
The district serves about 399 students and ranks 74th out of 238 Washington districts, placing it in the 69th percentile with a 3-star rating. Morton Elementary School is the strongest recent improvement story. Its ranking rose from the 33rd percentile in 2023–2024 to the 63rd percentile in 2025–2026, while its ELA proficiency reached 58.49% and math proficiency reached 49.06%, both above statewide all-grade averages. It also has a lower student-teacher ratio than the high school, at 13.7 compared with 17.6, although its reported free- and reduced-price lunch rate is somewhat higher. Parents should note that elementary grade-level math results were slightly below state averages in Grades 3 and 4, despite the stronger all-grade result.
Morton Junior-Senior High offers a mixed academic profile but has important strengths. Its 2024–2025 graduation rate was 89.0%, above the 82.6% statewide rate, and its science proficiency was 56.67%, also above district and state results. ELA performance was slightly above the state average, but math proficiency was 31.82%, below both the district and state. Grade 10 math was particularly weak at 25%, while Grade 8 ELA and Grade 11 science were standout areas. Overall, families will find a small district with improving elementary performance, strong graduation and science indicators at the secondary level, and high school math as the clearest area needing attention.
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