WAMiddleProfile data from NCES 2023-24
Islander Middle School — School Profile & District Info
Middle|Mercer Island, Washington|Mercer Island School District
Mercer Island, WA 98040
School Profile
Grades
6–8
Enrollment
938
Student:Teacher
20.8:1
Locale
Suburban
District
Mercer Island School DistrictEcon. Disadvantaged
7.5%
Phone
(206)236-3413School Statistics
Programs & Activities (SY 2021-22)
Gifted & Talented
Student-Teacher Ratio: 18.2:1
Worse than average in WADistrict Finance (FY 2023)
Per-Pupil Spending
$17,288
District-level data
Funding Sources
Federal 3%State 58%Local 40%
Community Context
Median Home Value
$740,211
-1.6% YoY
Seattle, WA metro area · Zillow Feb 2026
Community Need Level
Moderate
CDC/ATSDR Social Vulnerability Index 2022
Enrollment Trend (2014-2025)
960
Current enrollment
Declining(-16% 5yr)Frequently Asked Questions about Islander Middle School
Islander Middle School currently enrolls 938 students across Middle grade levels. The school operates under the local school district in WA.
Calendar Guides
School profiles: Data from NCES Common Core of Data. Calendar events from district calendar sources, updated automatically.