All schools · Mercer Island School District · Open in explorer ↗

Island Park Elementary

Mercer Island School District · Elementary · grades K-5 · 5437 Island Crest Way, Mercer Island, WA 98040-4647

Location

5437 Island Crest Way, Mercer Island, WA 98040-4647

Academic snapshot

Meeting standard — latest year
85.9%
SBAC ELA+Math combined, 2024-25
Meeting standard — 3-year
88.5%
#9 of 558 elementary schools region-wide · #1 of 4 in this district
Exceeding standard — latest year
66.0%
SBAC Level 4, the top score band
Exceeding standard — 3-year
69.3%
#13 of 558 elementary schools region-wide · #2 of 4 in this district
3-year trend

Who attends

Students from low-income homes
2.2%
English language learners
2.5%
Highly Capable program
14.5%
Enrollment
366
Kids per typical block
—
Density band: unknown

Teachers

Teachers (latest)
32
Avg years experience
16.1
MA-degree share
78.1%
3-year experience trend

Avg years and MA-degree share are direct OSPI publications; the 3-year trend is our derivation. From data.wa.gov/yp28-ks6d.

Highly Capable / gifted pathway

Curated from district Highly Capable program pages, with observed-at dates and confidence labels.

Research dossier

Island Park Elementary: What The Data Says

Island Park Elementary is an elementary school in Mercer Island School District. The local dataset puts it at grade span K-5 with enrollment of 366. The headline academic number: 88.5% combined ELA/math meeting standard across the available three-year data, with 85.9% in the latest year.

The useful question is not just whether the scores are high. It is whether the school combines academics, access, peer depth, and day-to-day fit in a way that works for a specific child.

The Short Version

  • Local structured data: 88.5% combined ELA/math over available three-year data; 89.2% ELA and 87.8% math.
  • Access is the first filter: Attendance-area school. Resident enrollment by address; nonresident Choice Transfer only if the grade/program is open.
  • Program status is a live issue: Public web sources state the elementary Highly Capable Code 33 unique classroom is at Lakeridge Elementary, conflicting with local CSV data claiming it is at West Mercer Elementary (MISD Highly Capable Services).
  • There is public evidence of advanced peer depth: Island Park Elementary was recognized for 'Achievement' in ELA, Math, and Attendance by the Washington School Recognition Program for the 2024-2025 school year (Washington School Recognition Program Announcement).
  • The surrounding block group is High for kid density, about 4.2 estimated kids per typical block.

Researched 2026-06-10. Citations and claim ledger included in the full dossier.

That is the free excerpt. The full dossier continues with the complete evidence review: academic outcomes in context, advanced-peer depth, program and access analysis, culture signals, logistics, neighborhood context, open questions, and every citation.

More schools in Mercer Island School District

All schools A–Z · Compare in the explorer

Sources