Mercer Island High School

1,439 Students
High School 9th - 12th
School Overview
Mercer Island High School (MIHS) is a highly regarded public secondary school located on Mercer Island, Washington, a suburban community situated between Seattle and Bellevue. As the sole high school in the Mercer Island School District, it serves a diverse student body and is widely recognized for its academic rigor and emphasis on student achievement. The school consistently ranks among the top institutions in the state, offering a comprehensive curriculum that includes a robust selection of Advanced Placement (AP) courses, specialized honors programs, and a variety of career and technical education (CTE) pathways designed to prepare students for higher education and professional success.

Beyond its academic focus, MIHS is known for fostering a vibrant campus culture that places a strong emphasis on extracurricular involvement. The school hosts a wide array of athletic programs, performing arts groups, and student-led clubs, which serve to enrich the educational experience and promote a sense of community pride. By balancing a high-pressure academic environment with a supportive network of resources and activities, Mercer Island High School maintains a reputation for producing well-rounded graduates who are active participants in both local and global communities.
1,439
Total Students
76.4
Full-Time Teachers
18.8
Student/Teacher Ratio
7.1%
Free/Reduced Lunch
Student Demographics

Student Demographics Data Table

Student Demographics for Mercer Island High School
Demographic Student Count
White743
Hispanic102
Black20
Asian362
Two or More192
American Indian1
Pacific Islander5
  • White
    743 (52.1%)
  • Asian
    362 (25.4%)
  • Two or More
    192 (13.5%)
  • Hispanic
    102 (7.2%)
  • Black
    20 (1.4%)
  • Pacific Islander
    5 (0.4%)
  • American Indian
    1 (0.1%)
School Location
School Details
Status: Open
School Level: High School
School Type: Regular School
Charter Status:* Public Non-Charter
Virtual Instruction: Supplemental Virtual
Shared Time Status: N/A
District: Mercer Island School District
Phone: (206)236-3345
Grade Range: 9th - 12th
Total Students: 1,439
Full-Time Teachers (FTE): 76.4
Pupil/Teacher Ratio: 18.8
NSLP Participation:1 No
Qualified Free Lunch: 66
Qualified Reduced Lunch: 36
Grades Taught
Grade 9 352
Grade 10 350
Grade 11 361
Grade 12 376

Grades Taught Data Table

Grades Taught and Student Counts for Mercer Island High School
Grade Student Count
Grade 9352
Grade 10350
Grade 11361
Grade 12376
Gender Ratio

Student Gender Ratio Data Table

Student Gender Ratio for Mercer Island High School
Gender Student Count Percentage
Female65245.3%
Male77353.7%
Not Specified141%
Nearby High Schools (Within 10 Miles)