Total enrollment
565
-33 (-6%) vs SY 2020-21
2 schools in Riverdale SD 51J
Oregon · 565 students · 1 city
Riverdale SD 51J in Oregon operates 2 K-12 public schools, enrolling about 565 students (around 283 per school).
4-year change in Riverdale SD 51J
SY 2020-21 vs SY 2024-25School count
2
0 (0%) vs SY 2020-21
Source: NCES Common Core of Data, enrollment-weighted demographic averages
How Riverdale SD 51J ranks
Among districts| Measure | This district | In Oregon | In the US |
|---|---|---|---|
| Enrollment ranked largest first | 565 | #117 of 119 | #8,913 of 9,234 |
| Number of schools ranked most first | 2 | #119 of 119 | N/A |
| Students per teacher ranked fewest first | 13.7:1 | #4 of 119 | #4,060 of 9,044 |
Districts need at least 2 schools and 500 students to be ranked. Test proficiency is ranked within the state only, since each state gives a different test. Each rank links to the full list.
Inside Riverdale SD 51J
Since 2017-18, the 2 district schools that reported both years went from 639 to 565 students (down 12%) and from 44 to 41 full-time teachers (down 7%), as of 2024-25.
Proficient is the average share of students meeting the state standard across each school's state tests in 2023-24 and 2024-25; schools with fewer than 100 students and schools serving specialized populations are left out. Staffing figures come from the NCES Common Core of Data and count only schools that reported students and teachers in both years.
| Name | City | Level | Grades | Enrollment |
|---|---|---|---|---|
| Riverdale Grade School | Portland | Elementary | KG-08 | 406 |
| Riverdale High School | Portland | High | 09-12 | 159 |
About Riverdale SD 51J
Riverdale SD 51J is a small Oregon school district running 2 schools with combined enrollment near 565.
On the school-mix side, Riverdale SD 51J consists of 1 elementary and 1 high school.
Per-school enrollment averages around 283 in this district, noticeably below the Oregon typical of 418.
Five-year track record. Combined enrollment now sits at 565 students, contracted 6% from the 598 reported in SY 2020-21.
In the discussion threads here, the community for Riverdale SD 51J discusses enrollment trends, district policy changes, and bus-route updates. Members of the local community share what they see day-to-day.