Summary:
ZIP code 98075, an area of Sammamish, has one listed high school: Skyline High School, serving grades 9–12. With 2,244 students, the school is part of the highly rated Issaquah School District, giving families in this area one primary public high school option to consider.
Skyline High School has very strong overall outcomes. Its 2024–2025 graduation rate was 97.8%, compared with 96.3% for the district and 82.6% statewide. Its dropout rate was just 0.7%, below the district’s 1.0% and far below the state’s 9.8%. The school ranked 23rd among 396 Washington high schools for 2025–2026, placing it in the 94th percentile, and it has a five-star SchoolDigger rating. The district also ranked among Washington’s strongest, at 3rd out of 238 districts.
Academically, English Language Arts is the school’s clearest strength: 84.72% of students were proficient in 2025–2026, compared with 79.04% in the district and 52.81% statewide. Math proficiency was 69.94%, and science proficiency was 70.10%; both were well above state averages but below district results in the all-grade comparison. Families may want to pay particular attention to science, which declined 12.85 percentage points from the prior year, while math fell 4.92 points and ELA fell 2.33 points. Even with these declines, Skyline remains a top-performing school with excellent completion rates and academic results substantially above Washington averages.
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