Best elementary schools in Issaquah School District (2025)
Schools classified as elementary by NCES. Ranked by the Success Index (US) from official American data; 16 schools in Issaquah School District, Washington. Rank positions shown on each profile are within United States and Washington.
- Middle Schools in Issaquah School District
- High 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
- 189Cougar Ridge ElementaryBellevue · Public Elementary89% Math proficiency · 458 students
- 288Discovery ElementaryIssaquah · Public Elementary90% Math proficiency · 508 students
- 387Endeavour Elementary SchoolIssaquah · Public Elementary84% Math proficiency · 473 students
- 487Sunset ElementaryBellevue · Public Elementary72% Math proficiency · 499 students
- 587Cascade Ridge ElementarySammamish · Public Elementary85% Math proficiency · 391 students
- 686Maple Hills ElementaryRenton · Public Elementary81% Math proficiency · 460 students
- 785Creekside ElementarySammamish · Public Elementary83% Math proficiency · 555 students
- 885Apollo ElementaryRenton · Public Elementary76% Math proficiency · 496 students
- 985Sunny Hills ElementarySammamish · Public Elementary82% Math proficiency · 574 students
- 1084Challenger ElementaryIssaquah · Public Elementary69% Math proficiency · 350 students
- 1184Briarwood ElementaryRenton · Public Elementary79% Math proficiency · 630 students
- 1283Grand Ridge ElementaryIssaquah · Public Elementary80% Math proficiency · 558 students
- 1383Newcastle Elementary SchoolNewcastle · Public Elementary79% Math proficiency · 451 students
- 1477Clark ElementaryIssaquah · Public Elementary65% Math proficiency · 586 students
- 1576Cedar Trails ElementarySammamish · Public Elementary15.5% Free/reduced-price lunch · 374 students
- 1675Issaquah Valley ElementaryIssaquah · Public Elementary68% Math proficiency · 646 students
| # | School | Sector | Success Index (US) | Key result | Students |
|---|---|---|---|---|---|
| 1 | Cougar Ridge Elementary Bellevue · Elementary · Grades K–5 | Public | 88.9 Top 5% | 89% Math proficiency | 458 |
| 2 | Discovery Elementary Issaquah · Elementary · Grades PK–5 | Public | 87.6 Top 5% | 90% Math proficiency | 508 |
| 3 | Endeavour Elementary School Issaquah · Elementary · Grades K–5 | Public | 87.3 Top 5% | 84% Math proficiency | 473 |
| 4 | Sunset Elementary Bellevue · Elementary · Grades PK–5 | Public | 87.2 Top 5% | 72% Math proficiency | 499 |
| 5 | Cascade Ridge Elementary Sammamish · Elementary · Grades K–5 | Public | 86.9 Top 5% | 85% Math proficiency | 391 |
| 6 | Maple Hills Elementary Renton · Elementary · Grades K–5 | Public | 85.6 Top 5% | 81% Math proficiency | 460 |
| 7 | Creekside Elementary Sammamish · Elementary · Grades K–5 | Public | 85.3 Top 5% | 83% Math proficiency | 555 |
| 8 | Apollo Elementary Renton · Elementary · Grades PK–5 | Public | 85.2 Top 5% | 76% Math proficiency | 496 |
| 9 | Sunny Hills Elementary Sammamish · Elementary · Grades K–5 | Public | 85.1 Top 5% | 82% Math proficiency | 574 |
| 10 | Challenger Elementary Issaquah · Elementary · Grades K–5 | Public | 84.3 Top 10% | 69% Math proficiency | 350 |
| 11 | Briarwood Elementary Renton · Elementary · Grades PK–5 | Public | 84.2 Top 10% | 79% Math proficiency | 630 |
| 12 | Grand Ridge Elementary Issaquah · Elementary · Grades K–5 | Public | 83.4 Top 10% | 80% Math proficiency | 558 |
| 13 | Newcastle Elementary School Newcastle · Elementary · Grades PK–5 | Public | 82.7 Top 10% | 79% Math proficiency | 451 |
| 14 | Clark Elementary Issaquah · Elementary · Grades K–5 | Public | 76.7 Top 25% | 65% Math proficiency | 586 |
| 15 | Cedar Trails Elementary Sammamish · Elementary · Grades K–5 | Public | 76.1 Top 25% | 15.5% Free/reduced-price lunch | 374 |
| 16 | Issaquah Valley Elementary Issaquah · Elementary · Grades K–5 | Public | 74.9 Top 25% | 68% Math proficiency | 646 |
Cougar Ridge Elementary in Bellevue leads the 2025 list of elementary schools in Issaquah School District with a Success Index (US) of 88.9. Of the 16 schools shown, 16 are public.
For the full picture see the wider Washington elementary 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 elementary school in Issaquah School District?
Cougar Ridge Elementary in Bellevue, Washington ranks first among elementary schools in Issaquah School District with a Success Index (US) of 88.9 out of 100 (Enrollment: 458).
How are elementary 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.