Best high schools in Issaquah School District (2025)
Schools classified as high schools by NCES. Ranked by the Success Index (US) from official American data; 5 schools in Issaquah School District, Washington. Rank positions shown on each profile are within United States and Washington.
- Elementary Schools in Issaquah School District
- Middle Schools in Issaquah School District
- Traditional Public Schools in Issaquah School District
- Schools by Math Proficiency in Issaquah School District
- Schools by Reading Proficiency in Issaquah School District
- Lowest Student–Teacher Ratio in Issaquah School District
- Largest Schools in Issaquah School District
- 182Skyline High SchoolSammamish · Public High80% Math proficiency · 2,244 students
- 281Issaquah High SchoolIssaquah · Public High80% Math proficiency · 2,419 students
- 376Liberty Sr High SchoolRenton · Public High61% Math proficiency · 1,495 students
- 469Gibson Ek High SchoolIssaquah · Public High34.5% Math proficiency · 198 students
- 520Echo Glen SchoolSnoqualmie · Public High5% Math proficiency · 104 students
| # | School | Sector | Success Index (US) | Key result | Students |
|---|---|---|---|---|---|
| 1 | Skyline High School Sammamish · High · Grades 9–12 | Public | 81.7 Top 10% | 80% Math proficiency | 2,244 |
| 2 | Issaquah High School Issaquah · High · Grades 9–12 | Public | 80.7 Top 10% | 80% Math proficiency | 2,419 |
| 3 | Liberty Sr High School Renton · High · Grades 9–12 | Public | 75.6 Top 25% | 61% Math proficiency | 1,495 |
| 4 | Gibson Ek High School Issaquah · High · Grades 9–12 | Public | 68.9 Top 25% | 34.5% Math proficiency | 198 |
| 5 | Echo Glen School Snoqualmie · High · Grades 5–12 | Public | 19.9 Lower 50% | 5% Math proficiency | 104 |
Skyline High School in Sammamish leads the 2025 list of high schools in Issaquah School District with a Success Index (US) of 81.7. Of the 5 schools shown, 5 are public.
For the full picture see the wider Washington high schools rankings, every school on the Issaquah School District page, or the comparison tool to put a shortlist side by side.
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Frequently asked questions
What is the best high school in Issaquah School District?
Skyline High School in Sammamish, Washington ranks first among high schools in Issaquah School District with a Success Index (US) of 81.7 out of 100 (Enrollment: 2,244).
How are high schools in Issaquah School District ranked?
Each school's Success Index (US) combines 4 factors: math proficiency (30%), reading proficiency (30%), community advantage (fewer free/reduced-price lunch) (25%), students per teacher (15%). Each factor is a percentile against schools of the same type across United States. Schools with fewer than 60 students are excluded from rankings.
Are these 2025 rankings official?
No. They are computed by Success Tutoring from official American data (Urban Institute Education Data Portal (NCES CCD, EDFacts); NCES Common Core of Data). States set their own assessments and proficiency cut scores, so proficiency rates are most comparable within a state. Use the state rankings for like-for-like comparisons.