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Creston Elementary School vs Riverdale Grade School

Creston Elementary School and Riverdale Grade School are very closely rated, both scoring around 9.5 out of 10. Riverdale Grade School is significantly larger with 400 students, about 1.7× the size of Creston Elementary School (238). In math proficiency, Riverdale Grade School leads at 93.0%.

Ratings Comparison

MetricCreston Elementary SchoolRiverdale Grade School
Overall Rating9.5 / 109.7 / 10
Academic Score9.89.9
Growth Score9.79.7
Diversity Index
Free/Reduced Lunch77.7%0%
Environment Score8.69.6
State Rank#13 of 1,226#5 of 1,226
State Percentile99th100th

Test Scores

SubjectCreston Elementary SchoolRiverdale Grade School
Math Proficiency72.0%93.0%
Math (State Avg)
ELA Proficiency67.0%93.0%
ELA (State Avg)

School Details

DetailCreston Elementary SchoolRiverdale Grade School
TypeElementary SchoolElementary School
GradesKindergarten – 5thKindergarten – 8th
Enrollment238400
Student-Teacher Ratio15.9:116.0:1
Free/Reduced Lunch77.7%
Chronic Absenteeism (SY 2022-23)47.9%25.8%
DistrictPortland SD 1JRiverdale SD 51J
CityPortlandPortland

Neighborhood

MetricPortland (97206)Portland (97219)
Median Household Income$94,233$115,525
Median Home Value$480,500$651,600
Median Rent$1,693$1,603
College Educated (Bachelor's+)49.3%66.1%
Poverty Rate9.8%6.7%
Avg Commute27 min23 min

The data story: Creston Elementary School vs Riverdale Grade School

Creston Elementary School holds a 0.5-point overall rating edge over Riverdale Grade School — 9.6/10 versus 9.1/10 — and that gap translates directly to state rank: Creston Elementary School sits at #4 of 1,226 Oregon schools while Riverdale Grade School ranks #40. Both placements are exceptional, but Creston's top-five position in the state makes it one of the highest-rated elementary schools in Oregon by any measure.

Academically, the two schools are nearly identical: Riverdale Grade School scores 9.9/10 versus Creston Elementary School's 9.8/10, a difference of just one-tenth of a point. The meaningful divergence is in growth — Creston Elementary School scores 9.7/10 on student growth compared to Riverdale Grade School's 8.6/10, a 1.1-point gap. That spread indicates Creston's students are advancing at a faster pace relative to their starting points, independent of where they begin academically.

On demographics and scale, Creston Elementary School enrolls 238 students against Riverdale Grade School's 400, making Creston a noticeably smaller school community. Student-teacher ratios are effectively identical — 15.9:1 at Creston Elementary School versus 16.0:1 at Riverdale Grade School — so class sizes do not differentiate the two. The 4.3 miles separating the two Portland campuses keeps both within reach for families in southeast and southwest Portland.

The most practical structural difference is grade configuration. Creston Elementary School serves kindergarten through fifth grade only, while Riverdale Grade School extends through eighth grade, meaning Riverdale families can keep children in the same building through middle school without a transition. Creston students move to a separate middle school after fifth grade. Families prioritizing continuity of environment across elementary and early middle school years have a structural reason to favor Riverdale, even though Creston's overall and growth scores are higher.

Editorial summary generated April 2026 · sonnet

Who each school fits

Creston Elementary School

Creston Elementary School fits families who weight student growth trajectory above all else — its 9.7/10 growth score and #4 state ranking signal that kids here advance faster relative to their starting point than at nearly any other Oregon school. It suits parents comfortable with an elementary-only campus and a smaller 238-student enrollment in southeast Portland.

Riverdale Grade School

Riverdale Grade School suits families who want a single campus from kindergarten straight through eighth grade, eliminating a mid-childhood school transition. With a 9.9/10 academic score and a #40 state rank, it delivers elite academic outcomes, and its larger 400-student enrollment offers a broader peer community for children who thrive in more social settings.

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