Regular local school district · King County
Mercer Island School District, WA: schools, enrollment and spending
Mercer Island School District runs 6 public schools with 3,993 students in grades PK to 12. Its ratio of 18.1 students per teacher is about the same as the Washington figure of 18.2.
At a glance
- Schools
- 6
- Students
- 3,993
- Teachers (FTE)
- 221
- Students per teacher
- 18.1
- WA: 18.2 · US: 15.3
- Address
- 4160 86th Ave SE, Mercer Island, WA 98040
- Phone
- (206)236-3300
- County
- King County
- Locale
- Suburb: Large
- Grades offered
- PK to 12
- Agency type
- Regular local school district
- NCES district ID
- 5304980
- State district ID
- WA-17400
- Total staff (FTE)
- 432
- School counselors (FTE)
- 10.0About 399 students per counselor.
- School administrators (FTE)
- 9.0
Students per teacher compared
This district18.1
Washington18.2
United States15.3
2020 finance data
From the F-33 School District Finance Survey for fiscal year 2020, in nominal dollars. Enrollment used for per-pupil figures is the finance survey count (4,192), which can differ from 2024-25 enrollment.
- Total revenue
- $81.4 million
- Federal revenue
- $2.1 million
- State revenue
- $50.2 million
- Local revenue
- $29.1 million
- Total spending
- $73.6 million
- Spending per pupil
- $17,562
- Salaries
- $43.3 million58.8% of total spending.
- Long-term debt (end of year)
- $71.7 million
Where revenue came from
- Federal: 2.6%
- State: 61.7%
- Local: 35.7%
Washington overall
- Federal: 8.1%
- State: 67.2%
- Local: 24.6%
Spending per pupil compared
This district$17,562
Washington$19,323
United States$16,826
Schools in Mercer Island School District
By level: 1 high, 1 middle, 4 elementary. A CEP school serves free meals to all students.
| Island Park Elementary | Elementary | K to 5 | 364 | 15.2 |
| Islander Middle School | Middle | 6 to 8 | 960 | 21.3 |
| Lakeridge Elementary School | Elementary | K to 5 | 401 | 17.4 |
| Mercer Island High School | High | 9 to 12 | 1,439 | 18.9 |
| Northwood Elementary School | Elementary | PK to 5 | 398 | 15.3 |
| West Mercer Elementary | Elementary | K to 5 | 431 | 16.6 |
Nearby and related
Other districts in King County
- Seattle School District No. 1 50,773 students
- Lake Washington School District 30,986 students
- Kent School District 25,358 students
- Federal Way School District 22,250 students
- Bellevue School District 20,339 students
- Issaquah School District 19,098 students
- Auburn School District 18,174 students
- Highline School District 18,072 students
- Renton School District 14,873 students
- Shoreline School District 9,717 students
- Tahoma School District 9,234 students
- Snoqualmie Valley School District 7,145 students
- Enumclaw School District 4,542 students
- Riverview School District 2,996 students
- Tukwila School District 2,886 students
More in Washington
Source: NCES Common Core of Data 2024-25 and F-33 finance 2020, via the Urban Institute Education Data Portal. Last reviewed October 2026. Finance figures are 2020 finance data in nominal dollars, not adjusted for inflation. Blank values are not available, not applicable or suppressed in the source. See the methodology.