Schools in Mercer Island School District, Washington (2025)
6 schools · 3,993 students · 6 public · median Enrollment 431.
Ranked schools in Mercer Island School District
Ordered by Success Index (US). Rank positions shown on each profile are within United States and Washington.
- 190Island Park ElementaryMercer Island · Public Elementary83% Math proficiency · 364 students
- 287Lakeridge Elementary SchoolMercer Island · Public Elementary87% Math proficiency · 401 students
- 387West Mercer ElementaryMercer Island · Public Elementary81% Math proficiency · 431 students
- 487Mercer Island High SchoolMercer Island · Public High90% Math proficiency · 1,439 students
- 585Northwood Elementary SchoolMercer Island · Public Elementary77% Math proficiency · 398 students
- 684Islander Middle SchoolMercer Island · Public Middle81% Math proficiency · 960 students
| # | School | Sector | Success Index (US) | Key result | Students |
|---|---|---|---|---|---|
| 1 | Island Park Elementary Mercer Island · Elementary · Grades K–5 | Public | 89.7 Top 5% | 83% Math proficiency | 364 |
| 2 | Lakeridge Elementary School Mercer Island · Elementary · Grades K–5 | Public | 87.4 Top 5% | 87% Math proficiency | 401 |
| 3 | West Mercer Elementary Mercer Island · Elementary · Grades K–5 | Public | 86.8 Top 5% | 81% Math proficiency | 431 |
| 4 | Mercer Island High School Mercer Island · High · Grades 9–12 | Public | 86.7 Top 5% | 90% Math proficiency | 1,439 |
| 5 | Northwood Elementary School Mercer Island · Elementary · Grades PK–5 | Public | 85.4 Top 5% | 77% Math proficiency | 398 |
| 6 | Islander Middle School Mercer Island · Middle · Grades 6–8 | Public | 83.8 Top 10% | 81% Math proficiency | 960 |
Compare the top 4 schools in Mercer Island School District side by side →
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Frequently asked questions
What is the best school in Mercer Island School District?
Island Park Elementary is the highest-ranked school in Mercer Island School District with a Success Index (US) of 89.7 out of 100 (Top 5% of elementary schools in United States).
How many schools are in Mercer Island School District?
Mercer Island School District has 6 schools (4 elementary, 1 high, 1 middle) educating 3,993 students in 2025.
What is the typical Enrollment in Mercer Island School District?
The median Enrollment across schools in Mercer Island School District is 431. Students enrolled in the latest NCES directory year.