Mercer Island High School vs International School
International School has a higher overall rating of 8.1/10 compared to 7.5/10. Mercer Island High School is significantly larger with 1,465 students, about 2.5× the size of International School (597). In math proficiency, Mercer Island High School leads at 90.0%.
Attendance data is under correction. A public school's existing Resources & Environment score and overall rating shown here may still reflect an unverified attendance input.
Mercer Island High School
Mercer Island, WA
7.5/10
High School9th – 12th
1,465 students
International School
Bellevue, WA
8.1/10
High School6th – 12th
597 students
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| Metric | Mercer Island High School | International School |
|---|---|---|
| Overall Rating | 7.5 / 10 | 8.1 / 10 |
| Academic Score | 9.6 | 9.6 |
| Growth Score | 3.9 | 5.0 |
| Diversity Index | — | — |
| Free/Reduced Lunch | 7.2% | 8% |
| Environment Score | 7.4 | 8.6 |
| State Rank | #525 of 2,251 | #258 of 2,251 |
| State Percentile | 77th | 89th |
Test Scores
| Subject | Mercer Island High School | International School |
|---|---|---|
| Math Proficiency | 90.0% | 80.0% |
| Math (State Avg) | — | — |
| ELA Proficiency | 99.5% | 88.0% |
| ELA (State Avg) | — | — |
School Details
| Detail | Mercer Island High School | International School |
|---|---|---|
| Type | High School | High School |
| Grades | 9th – 12th | 6th – 12th |
| Enrollment | 1,465 | 597 |
| Student-Teacher Ratio | 19.8:1 | 19.9:1 |
| Free/Reduced Lunch | 7.2% | 8.0% |
| Graduation Rate (4yr, Class of 2023) | 94.0% | 95%+ |
| District | Mercer Island School District | Bellevue School District |
| City | Mercer Island | Bellevue |
Neighborhood
| Metric | Mercer Island (98040) | Bellevue (98005) |
|---|---|---|
| Median Household Income | $202,359 | $158,396 |
| Median Home Value | $1,884,200 | $1,373,000 |
| Median Rent | $2,464 | $2,380 |
| College Educated (Bachelor's+) | 78.8% | 71.2% |
| Poverty Rate | 4.6% | 9.1% |
| Avg Commute | 25 min | 22 min |