Summary:
Schools in zip code 99328 include four Dayton Elementary School, Dayton Middle School, Dayton High School, and Dayton School District Alternative Program, serving grades PK–12 and about 379 students in the small Dayton community. All are part of the Dayton School District, which ranks 178th of 238 Washington districts. The schools offer a mixed academic picture, with the high school showing the strongest available ranking and prior-year results, while elementary and middle school results point to areas needing additional support.
Dayton High School is the district’s standout in the latest available ranking data, placing in the 71st percentile statewide with a four-star rating. In 2024–2025, its ELA, math, and science proficiency rates all exceeded district and state results, and its 75% graduation rate was above the district’s 64%, though below Washington’s 82.6%. Its student-teacher ratio was also the district’s most favorable at 8.9, but current 2025–2026 assessment results are suppressed, so continued performance cannot yet be confirmed. Dayton Elementary School had the strongest current science result, at 53.57%, above the state average, while its math and ELA results remained below state levels. Science also improved substantially year over year.
Dayton Middle School is the primary academic concern, particularly in math, where 20.83% of students were proficient compared with 43.11% statewide. Its results improved in ELA, math, and science, but its ranking remains well below its 2023–2024 position. At the elementary level, 5th-grade math was especially weak at 14.29%, suggesting that the transition from upper elementary to middle school deserves attention. Families should also note that small student groups can produce large swings in percentages and lead to suppressed results. The alternative program serves only 13 students and has no reported assessment outcomes, so it should be viewed as a distinct option rather than compared directly with the traditional schools.
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