Island Park Elementary
Mercer Island, WA
Grades K to 5 · 364 students
Public school
Mercer Island High School
Mercer Island, Washington · Grades 9 to 12 · Mercer Island School District
Public school
About Mercer Island High School
Located in Mercer Island, Washington, Mercer Island High School is a public school for grades 9 through 12. Federal data for 2024-25 shows 1,439 students enrolled. There are about 18.8 students for every full-time-equivalent teacher (76.4 teachers in all). It is one of 6 schools in Mercer Island School District. Federal locale data places it in a suburb of a large metro area, in King County. There are 115 other schools within 5 miles.
Open Houses & Tours
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School facts
| Address | 9100 SE 42nd, Mercer Island, WA 98040 |
|---|---|
| Phone | (206) 236-3345 |
| School district | Mercer Island School District |
| Grades | 9 to 12 |
| Students (2024-25) | 1,439 |
| Teachers (full-time equivalent, 2024-25) | 76.4 |
| Students per teacher | 18.8 |
| Charter school | No |
| School type | Regular |
| Level | High |
| Locale (NCES) | Suburb, large, King County |
Source: NCES Common Core of Data (CCD), 2024-25 public school directory and membership files (NCES school ID 530498000761). Details may have changed since the survey. Schools can update them by claiming this profile.
Nearby schools
Northwood Elementary SchoolPublic · Grades PreK to 5Mercer Island · 0.2 miSt Monica SchoolPrivate, Roman Catholic · Grades PreK to 12Mercer Island · 0.2 miPrivett AcademyPrivate · Grades 7 to 12Mercer Island · 0.5 miWest Mercer ElementaryPublic · Grades K to 5Mercer Island · 0.6 miYellow Wood AcademyPrivate · Grades 4 to 12Mercer Island · 0.6 miFrench American School of Puget SoundPrivate · Grades PreK to 8Mercer Island · 0.6 miEarly World MontessoriPrivate · Grades PreK to KMercer Island · 1 miNorthwest Yeshiva High SchoolPrivate, Jewish · Grades 9 to 12Mercer Island · 1 mi
The 8 closest public, charter and private schools by straight-line distance, from NCES location data. Listings here are never paid.
Frequently asked questions
What grades does Mercer Island High School serve?
Mercer Island High School serves grades 9 through 12.
How many students attend Mercer Island High School?
Mercer Island High School reported 1,439 students in 2024-25, according to the NCES Common Core of Data.
What is the student-teacher ratio at Mercer Island High School?
About 18.8 students per full-time-equivalent teacher, based on 1,439 students and 76.4 teachers in federal data.
Is Mercer Island High School a public or charter school?
Mercer Island High School is a traditional public (non-charter) school.
What school district is Mercer Island High School in?
Mercer Island High School is part of Mercer Island School District. See all schools in this district at https://parentschoolreview.com/districts/wa/mercer-island-school-district/
Where is Mercer Island High School located?
Mercer Island High School is at 9100 SE 42nd, Mercer Island, WA 98040. The phone number is (206) 236-3345.
How many other schools are near Mercer Island High School?
There are 115 other schools within 5 miles of Mercer Island High School in our directory.
Is this your school?
Claim this profile for free to correct details, post open houses and tours, and respond to reviews.
ParentSchoolReview is owned and operated by School Success. Disclosure.
Other public and charter schools in Mercer Island
Islander Middle School
Mercer Island, WA
Grades 6 to 8 · 960 students
Public school
Lakeridge Elementary School
Mercer Island, WA
Grades K to 5 · 401 students
Public school
Northwood Elementary School
Mercer Island, WA
Grades PreK to 5 · 398 students
Public school
West Mercer Elementary
Mercer Island, WA
Grades K to 5 · 431 students
Public school
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