Mercer Island High School

High Supplemental Virtual Mercer Island, WA Grades 09–12 Suburb: Large Seattle-Tacoma-Bellevue, WA SchoolScore™ C (64.9)
  • 1,439 Students
  • 76.4 Teachers (FTE)
  • 18.8:1 Student:Teacher
  • 09–12 Grade Range
  • Open Status
  • (206)236-3345 Phone

Mercer Island High School is a public school administered by the Mercer Island School District district in Mercer Island, WASHINGTON, providing education at the High level for students in grades 09–12.

Key statistics: 1,439 students enrolled; a 18.8:1 student-to-teacher ratio.

The school is classified as Suburb: Large by the NCES locale classification system.

Data sourced from the National Center for Education Statistics (NCES) Common Core of Data (CCD), the definitive federal database of U.S. public schools, updated annually.

vs Washington High School Average
Enrollment
1,439.0
State avg: 677.0
▲ 113% better
Student:Teacher Ratio
18.84:1
State avg: 21.6:1
▼ 13% better
Free Lunch %
7.1%
State avg: 50.1%
▼ 86% better
School Details
School Name
Mercer Island High School
NCESSCH ID
530498000761
State School ID
WA-17400-3029
School Type
Regular School
Level
High
Status
Open
Charter
No
Charter Auth
Virtual
Supplemental Virtual
NSLP Status
No
Shared Time
Missing
School Year
2024-2025
Location
Address
9100 SE 42nd
City
Mercer Island
State
Washington
ZIP Code
98040
County
King County
Metro Area
Seattle-Tacoma-Bellevue, WA
Metro Type
Metropolitan
Locale
Suburb: Large
Cong. District
5309
State Leg. Upper
53041
State Leg. Lower
53041
Latitude
47.5718
Longitude
-122.2193
Grades Offered
9th 10th 11th 12th
👥
1,439
Total Students
👩‍🏫
76.4
Teachers FTE
📐
18.8:1
Student:Teacher
Enrollment by Grade
76.4
Teachers (FTE)
Full Staff Breakdown
MetricValue
Teachers (FTE)76.4
National School Lunch Program Participation
Lunch Program Details
ProgramStudents% of Enrollment
No Category Codes 102 7.1%
Not Applicable 51 3.5%
District Info
District Name
Mercer Island School District
LEAID
5304980
State LEA ID
WA-17400
Phone
(206)236-3300
Website
http://www.mercerislandschools.org
Type
Regular public school district that is not a component of a supervisory union
Status
Open
City
MERCER ISLAND
View All District Schools
District Finance (F-33)
Total Revenue
$89,160K
Federal Revenue
$2,218K
State Revenue
$51,719K
Local Revenue
$35,223K
Total Expenditure
$83,963K
Instruction Exp.
$40,212K
Support Services
$26,692K
Other Current Exp.
$3,234K

Frequently Asked Questions

Common questions about Mercer Island High School, answered using official NCES data.

How many students attend Mercer Island High School?
1,439 students are enrolled at Mercer Island High School, according to NCES Common Core of Data.
How many teachers does Mercer Island High School have?
Mercer Island High School has 76.4 full-time equivalent (FTE) teachers. The student-to-teacher ratio is 18.8:1.
What grades does Mercer Island High School serve?
Mercer Island High School serves grades 09 through 12.
Is Mercer Island High School a charter school?
Mercer Island High School is not a charter school.
What metro area is Mercer Island High School located in?
Mercer Island High School is located in the Seattle-Tacoma-Bellevue, WA metropolitan area.
What school district does Mercer Island High School belong to?
Mercer Island High School is part of the Mercer Island School District school district.
How much does Mercer Island School District spend per student?
The Mercer Island School District district spends approximately $58,348,158 per student annually, based on F-33 finance survey data.
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