At a glance
Reported students
960
NCES CCD 2024–25
Teachers (FTE)
45.04
NCES CCD 2024–25
Student–teacher ratio
21.3:1
Calculated; not a class-size measure
Grades served
06–08
NCES preliminary directory 2025–26
School benchmarks
Washington middle enrollment
95th percentile
Compared with 382 same-level schools reporting enrollment.
District median enrollment
416
Islander Middle School: 960 reported students.
State peer staffing position
83rd percentile
21.3:1 reported; state peer median 19.1:1. Ratio is not class size.
Historical enrollment and staffing · CRDC 2021–22
These older figures are kept separate from 2024–25 statistics and benchmarks. Differences between years can reflect changes in enrollment, staffing, or reporting scope.
- Students
- 955
- Teachers (FTE)
- 52.68
- Student–teacher ratio
- 18.1:1
What the reported data says about Islander Middle School
Islander Middle School is a public middle school serving grades 06–08 in Mercer Island. It is one of 6 current school records connected to Mercer Island School District. NCES reports 960 students for 2024–25.
Among 382 middle schools in Washington with comparable records, this school is larger than the reported median of 611 students. Its enrollment is at approximately the 95th percentile for that peer group. Size describes the campus, not instructional quality.
The reported student–teacher ratio is 21.3:1, above the Washington median of 19.1:1 for the same school level. This ratio uses total enrollment and teacher FTE; it is not an average classroom headcount and can be affected by special programs or part-time staffing.
The largest reported race and ethnicity groups are White (45.8%) and Asian (31.9%). English learners represent 1.6% of enrollment. Students served under IDEA represent 8.8%. These figures help families understand who the school serves; they are not rating inputs.
The 2021–22 civil-rights collection reports gifted and talented programming. Program availability changes, so families should confirm the current catalog and participation rules directly with the school.
Questions worth asking Islander Middle School
- 1How do the reported 21.3:1 student–teacher ratio and 45.04 teacher FTE translate into actual class sizes by grade?
- 2Which advanced, gifted, career, arts, and computer-science courses are available this year, and how do students qualify?
- 3What counseling support is available today? The school reported 2.95 counselor FTE in 2021–22.
- 4What meal assistance, transportation, after-school, and family-support services are currently available?
Enrollment needs
- English learners
- 1.6%
- Students with disabilities
- 8.8%
- Free/reduced-price lunch
- 7.8%
- Lunch program
- Yes participating without using any Provision or the CEO
Reported support staff
- Counselors (FTE)
- 2.95
- Nurses (FTE)
- 0.98
- Psychologists (FTE)
- 0
- Social workers (FTE)
- 0
CRDC 2021–22 full-time-equivalent counts; verify current assignments with the school.
Student demographics
Race and ethnicity share of reported enrollment
- White45.8%
- Hispanic7.7%
- Black0.9%
- Asian31.9%
- American Indian / Alaska Native0.1%
- Native Hawaiian / Pacific Islander0%
- Multiracial13.1%
Race/ethnicity: NCES CCD 2024–25. English learner and disability context: CRDC 2021–22. Lunch eligibility: NCES CCD 2024–25. Privacy rules can produce missing values.
Programs reported by the school
Gifted and talented
Offered
CRDC 2021–22: the AP flag records student enrollment; gifted and computer-science fields describe reported programs/classes. Confirm current courses and eligibility with the school.
Other schools in Mercer Island School District
Start with campuses at the same school level or with similar reported enrollment.
Mercer Island High School
High · Grades 09–12
1,439 reported students
West Mercer Elementary
Elementary · Grades KG–05
431 reported students
Lakeridge Elementary School
Elementary · Grades KG–05
401 reported students
Northwood Elementary School
Elementary · Grades PK–05
398 reported students
Island Park Elementary
Elementary · Grades KG–05
364 reported students
Public schools near Islander Middle School
Closest campuses by straight-line distance between NCES geocodes, favoring the same school level. Distance is not drive time or an attendance assignment.
| School | Grades | Students | Distance |
|---|---|---|---|
| Vera Risdon Middle School Middle · Renton School District | 06–08 | 751 | 2.1 mi |
| Aki Kurose Middle School Middle · Seattle School District No. 1 | 06–08 | 817 | 2.6 mi |
| McKnight Middle School Middle · Renton School District | 06–08 | 811 | 3 mi |
| Dimmitt Middle School Middle · Renton School District | 06–08 | 605 | 3.1 mi |
| Tyee Middle School Middle · Bellevue School District | 06–08 | 1,007 | 4.1 mi |
| Mercer International Middle School Middle · Seattle School District No. 1 | 06–08 | 753 | 4.3 mi |
Frequently asked questions about Islander Middle School
What grades does Islander Middle School serve?
Islander Middle School reports grades 06–08 in the NCES 2025–26 preliminary directory. It is classified as a middle school in Mercer Island School District.
How many students attend Islander Middle School?
Islander Middle School reported 960 students in the NCES 2024–25 membership file. That places it near the 95th percentile among 382 Washington middle schools reporting enrollment. The 2021–22 civil-rights collection recorded 955 students.
What is the student–teacher ratio at Islander Middle School?
The calculated ratio is 21.3:1, based on 960 students and 45.04 full-time-equivalent classroom teachers in 2024–25. The Washington median for the same school level is 19.1:1. A ratio is not the same as average class size.
Is Islander Middle School a public, charter, or magnet school?
Islander Middle School is a public school and is not a charter school. Enrollment is generally based on Mercer Island School District attendance boundaries and transfer rules.
What share of Islander Middle School students qualify for free or reduced-price meals?
7.8% of students were eligible for free or reduced-price lunch in 2024–25. This describes the students served and is not a quality measure.
Which school district is Islander Middle School in?
Islander Middle School is part of Mercer Island School District, based in Mercer Island, WA, which operates 6 current schools. Confirm attendance zones and enrollment rules with the district.
What public schools are near Islander Middle School?
The closest public schools by straight-line distance include Vera Risdon Middle School (2.1 mi), Aki Kurose Middle School (2.6 mi), McKnight Middle School (3 mi). Distance does not determine eligibility; attendance boundaries and program rules do.