Arthur Academy
Test scores
OSAS 2024-25 . % ProficientWhat this means: On the OSAS, Oregon's statewide test, about 65 of every 100 students at this school read and write at grade level and about 45 of 100 do math at grade level. Across all Oregon schools, those numbers are about 43 and 32. Reading and writing scores are up about 14 points since 2023, while math scores have held steady.
BeatsExpectations
Demographically-adjusted score · methodologyWhat this means: About 46% of students here test proficient in math and reading, well above the roughly 24% typical for Oregon schools with a similar share of low-income students. BeatsExpectations ranks schools against others at the same poverty level, not by raw scores, so a school can post high scores and still fall short of its prediction, or post lower scores and still beat it. This school clears its prediction by about 22 points, placing it in Oregon's top 10%.
7-year change
SY 2017-18 vs SY 2024-25About Arthur Academy
Set in Portland, Oregon, Arthur Academy is a tight-knit elementary school, run under David Douglas SD 40. It teaches 156 students across grades K through 5. By comparison, Oregon's public schools average about 321 students each, so Arthur Academy sits 51% smaller than that benchmark.
Within David Douglas SD 40, which oversees 14 schools and 8,716 students, Arthur Academy is one campus in the system.
For racial and ethnic makeup, Arthur Academy lists that 41% of students identify as White, with the remaining enrollment distributed across several groups. The remainder consists of 21% Asian, 14% Hispanic, 10% Black, 10% multiracial. The wider county runs roughly 68% White, putting the school's mix meaningfully less White than the area baseline.
Looking at the economic backdrop, Arthur Academy reports 12 full-time-equivalent teachers, putting the student-to-teacher ratio at about 13.0:1. That figure is tighter than the state norm's 16.5:1 average. Roughly 100% of students at Arthur Academy qualify for free or reduced-price lunch, often used as a Title I proxy. By comparison, Multnomah County runs at roughly 75%, so the school's eligibility rate is above the surrounding baseline.
After controlling for student poverty, Arthur Academy ranks in the top 10% of Oregon public schools. The BeatsExpectations model, a per-state regression of composite proficiency on FRL share, predicts schools with this student profile to land around 23.8%; Arthur Academy posts 45.9%, +22.1 points above that line.
Across the wider county, census data for Multnomah County shows median household income runs about $88,766, roughly 49% of adults have completed at least a four-year degree, and census figures put the poverty rate at about 7%. Arthur Academy is one of 169 public schools in Multnomah County (combined enrollment of about 81,096 students).
Lincoln Park Elementary School is the nearest neighboring public school, about 0.3 miles from this campus. 8 of the 8 nearest public schools sit inside a five-mile radius. Ranking that nearby cluster on reported proficiency puts Arthur Academy at 1st of 5; the average score across the group is 19.1%.
Arthur Academy operates from a downtown location. Arthur Academy is a charter school, which puts it inside the public-school system but outside the standard district-managed model.
Over the past 7-year window. Over the past 7-year window, the student count fell 5%: 164 students in 2018 compared to 156 in 2025. Over the same period, the White share ticked down from 52% to 41%. Class-load math has pulled in: from 21.9:1 in 2018 to 13.0:1 in 2025.
On the community side, the page collects discussion, questions, and updates around pickup logistics, teacher feedback, and after-school programs. Members of the school community can share what they know.
Multnomah County at a glance
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