Summary
Steilacoom High is a public school serving 968 students in grades 9–12 in Steilacoom, a South Puget Sound community near military installations and Tacoma. Part of the Steilacoom Hist. School District, it ranked 49th out of 396 Washington high schools in 2025–26, placing it in the 88th percentile and earning four stars. Its 91.3% graduation rate in 2024–25 was well above the state average of 82.6%.
Academically, Steilacoom is one of the strongest traditional high schools in the area. In 2025–26, 82.79% of students were proficient in English language arts, 47.20% in math, and 62.70% in science. English and science are particular strengths: the ELA result was nearly identical to Curtis Senior High, while Steilacoom had the highest science proficiency among nearby schools with reported results. Math improved by about 9.6 percentage points from the previous year and exceeded the state rate, but it has varied considerably over time and remains the school’s clearest academic challenge. Compared with Lakes High School, Mount Tahoma High School, and Clover Park High School, Steilacoom posted substantially stronger results in all three subjects.
The school also shows strong results for several student groups, including students from low socioeconomic backgrounds, Hispanic students, female students, multiracial students, and military-connected students. However, its special education subgroup ranking was considerably weaker, at the 31st percentile in 2024–25, making support for these students an important area to examine. Steilacoom reported spending $15,682 per student in 2023–24—less than nearby traditional schools—while its student-teacher ratio rose to 24.3:1, among the highest in the comparison group. Overall, the school offers strong academics and graduation outcomes, with math consistency, special education services, and rising class-size pressure worth monitoring.
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