Summary:
ZIP 97233 in Portland, Oregon is home to just one state-listed middle school — Oliver Middle — which serves grades 6 through 8 in Centennial School District 28J with an enrollment of 435 students.
Because there is only one middle school in this ZIP code, there is nothing to compare it against locally, so the most useful benchmark is how it performs relative to its own district and to Oregon as a whole. On that measure, Oliver Middle sits near the bottom of the state. The school ranked 355th of 371 Oregon schools in 2025‑26 (4th percentile, 0 stars), and the two prior years were nearly identical (354th and 353rd) — three straight years in the bottom 5%, which points to a persistent pattern rather than a single bad year. Centennial School District 28J itself ranks 125th of 141 (11th percentile, 1 star), so the school performs below even its own district's baseline. Proficiency rates reflect this: 17.7% in ELA (district 31.1%, state 43.8%), 8.6% in math (district 19.8%, state 32.9%), and 11% in science (district 16.8%, state 30.6%). Math is the deepest shortfall, with 6th grade math the weakest cell in the record at 5.3% proficient — though the district is also weak there (10.1%), suggesting a broader pipeline issue at that grade.
Context matters here. Nearly the entire student body — 98.62% — is eligible for free or reduced-price lunch, and chronic absenteeism stands at 38.8%, marginally better than the district's 39.9% but still above the state's 33.5%. Per-student spending is $18,132 with a student-teacher ratio of 20.3. One bright spot: attendance is the rare metric where the school is not below its own district.
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