445 128th Ave SE, Bellevue, WA 98005-3617
Directly from OSPI Report Card (graduation, postsecondary via ERDC, ninth-grade on track, dual credit, growth, attendance). Latest published year.
Avg years and MA-degree share are direct OSPI publications; the 3-year trend is our derivation. From data.wa.gov/yp28-ks6d.
Aggregated from WHSCA, Washington Science Olympiad, The Blue Alliance, and the Seattle Times National Merit list. "Known counts" only — missing public evidence is not proof of absence.
Elementary Centered Services run as full-day self-contained cohorts at designated sites, using one-grade-advanced standards in core subjects. Middle and high school students move through advanced classes as a cohort within their neighborhood school. High school cohort enrolls in IB in grades 10-11 with the goal of completing the IB diploma at the end of 11th grade.
Curated from district Highly Capable program pages, with observed-at dates and confidence labels.
International School is a high school in Bellevue School District. The local dataset puts it at grade span 6-12 with enrollment of 600. The headline academic number: 87.9% combined ELA/math meeting standard across the available three-year data, with 91.6% 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.
Researched 2026-06-10. Citations and claim ledger included in the full dossier.