Summary
Sammamish Senior High is a public grades 9–12 school in Bellevue serving 1,363 students within the high-performing Bellevue School District. The school ranks around the 70th percentile statewide, making it a solid Washington school, although its results generally trail nearby comprehensive schools. Sammamish serves a larger share of students eligible for free or reduced-price lunch—43.29%—than Newport Senior High School, Interlake Senior High School, Bellevue High School, Lake Washington High School, and Mercer Island High School, so comparisons should account for differences in student needs.
Sammamish’s strongest latest academic area is English language arts, with 64.75% of students proficient, well above the Washington rate of 52.81% but below the district’s 73.43%. Science proficiency was 52.14%, slightly above the state, while math was only 40.71%, slightly below the state and nearly 29 points below the district. Math has remained close to 40% for four years, making it the clearest and most persistent academic priority. ELA also declined from 72.98% in 2022–23 to 64.75% in 2025–26. By comparison, nearby comprehensive schools posted considerably higher latest math results, including 82.93% at Newport, 70.76% at Bellevue High, and 79.81% at Mercer Island. Smaller or specialized programs such as International School, International Community School, and Bellevue Big Picture School are less direct comparisons.
Graduation remains above the state average at 86.3%, but it fell from 92.4% in 2022–23, while the dropout rate rose sharply to 10.1% in 2024–25. These figures point to a need for stronger support with attendance, course completion, credit recovery, and on-time graduation. Outcomes also vary across student groups: effectiveness rankings are strongest for multiracial, White, male, and special education students, but are much weaker for Hispanic students, students from low-income households, and English learners. Sammamish’s relatively high student-teacher ratio of 21.9 and moderate per-student spending provide useful context but do not explain results by themselves. Overall, the school offers above-state performance in several areas, while its most important priorities are improving math, restoring ELA momentum, strengthening persistence, and targeting support where student outcomes are weakest.
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