- Enrollment
- 159
- Students per teacher
- 10.6:1
- Resource Index
- 57/100
Elementary school (grades K-5) · Portland, OR
Riverdale Grade School
Federal NCES profile for Riverdale Grade School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 36/100.
2024-25 NCES dataElementary school (grades K-5)NCES 411056001039
👥 S:T ratio 38
🌟 Gifted program 30
🎓 Counselors 19
📋 Attendance 59
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Riverdale Grade School earns 36/100 on the Resource Investment Index, with class sizes near the Oregon median.
- #66 of 87
- elementary schools in Portland · Resource Index
- 36
- Resource Index · Typical
- 15.6:1
- students per teacher
- 406
- students enrolled
Riverdale Grade School has class sizes near the Oregon median. Computed live against every Oregon school reporting to NCES.
By Resource Investment Index, Riverdale Grade School ranks #66 of 87 elementary schools in Portland, OR.
School address
District: Riverdale Sd 51j · Oregon
NCES ID 411056001039 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
-10 students YoY
Riverdale Grade School held near 400 students from 2022-23 to 2023-24 (-10 headcount).
Teacher FTE lost 26.0 → 25.0 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Steady CCD campus
-10 students YoY 411056001039 · Portland, OR Elementary · SMALL · TRAD
406 enr · 15.6:1 · RII 36
Nearest enrollment peer: Riverdale High School (159 students)
Riverdale Grade School held near 400 students from 2022-23 to 2023-24 (-10 headcount). Teacher FTE lost 26.0 → 25.0 across the same CCD years. Read with this school → · District book → · Oregon schools → · Find another →
How Riverdale Grade School compares
Riverdale Grade School held steady on CCD headcount: ratios and free-lunch share vs Oregon and U.S. means.
| Metric | This school | vs Oregon | Oregon avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 15.6:1 | ▼ 11% | 17.6:1 | 15.7:1 |
| Enrollment | 406 | top 37% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
15.6:1
Leaner classes than 41% of US schools, a middle-of-the-pack class size.
406
Bigger than 48% of US schools by enrollment, mid-sized for the country.
Equity indicators methodology
Staffing depth
15.6:1
students per teacher
- 11% below state mean
Top 33% in Oregon - lower ratio than 67% of state schools
Close to the 15:1 benchmark most often cited for individualized attention.
Engagement
16.3%
chronically absent (missed 10%+ of school days)
In the 15-20% range, nearing the "high" absenteeism threshold.
Funding equity
$20,077
per pupil, district-wide
- below Oregon avg of $21,075
Somewhat above the U.S. public-school average, reflecting higher local or state investment per enrolled student.
Support staff
Counselors1.0 FTE
Per 406 students, the combined health-and-guidance staffing load for this school.
Discipline context
0
in-school suspensions + 1 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 0.2 per 100 students. Reported via the Civil Rights Data Collection.
Student demographics
White 77.3%
Two or More 12.8%
Hispanic or Latino 5.9%
Asian 3.7%
African American 0.2%
Largest group: White at 77.3% of enrollment.
Student-body diversity index 38.1/100
Simpson diversity index - at 38.1, Riverdale Grade School is less mixed than the Oregon school average of 47.1.
Programs
District finance for Riverdale Sd 51j reports $20,077 per pupil (NCES F-33) - open the district page for the full revenue mix.
How Riverdale Grade School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Riverdale High School | Smaller | No free-lunch data | Lower S:T ratio |
Comparisons are relative to Riverdale Grade School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
Similar elementary schools in Portland
6 comparable elementary schools (grades K-5) serving the same city.
Sato Elementary School
Standard public school
863 students 22.1:1 students per teacher
Springville K-8 School
Standard public school
742 students 19:1 students per teacher
Laurelhurst Elementary School
Standard public school
660 students 22:1 students per teacher
Jacob Wismer Elementary School
Standard public school
592 students 20.4:1 students per teacher
Ainsworth Elementary School
Standard public school
587 students 21:1 students per teacher
Findley Elementary
Standard public school
549 students 22:1 students per teacher
Nationwide elementary schools with similar size or staffing
Out-of-state peers matched by enrollment and by student-teacher ratio, not the same-city or same-district lists above.
Similar enrollment (~406 students)
Frequently asked questions about Riverdale Grade School
How many students attend Riverdale Grade School?
Riverdale Grade School has 406 students enrolled. It is an elementary school in Portland, OR. CCD year-over-year: 410 (2022-23) → 400 (2023-24), nearly flat (-10).
What is the student-teacher ratio at Riverdale Grade School?
The student-teacher ratio at Riverdale Grade School is 15.6:1, which is 11% lower than the Oregon average of 17.6:1 and 1% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
What is the racial and ethnic makeup of Riverdale Grade School?
The largest demographic group at Riverdale Grade School is White at 77.3% of enrollment, in Portland, OR.
What is the Resource Investment Index for Riverdale Grade School?
Riverdale Grade School has a Resource Investment Index of 36/100 (typical reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, gifted-program reporting, counselor availability, chronic absenteeism. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Riverdale Grade School rank among elementary schools in Portland?
By Resource Investment Index, Riverdale Grade School ranks #66 of 87 elementary schools in Portland, OR. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all elementary schools in Portland on the city page.
What other schools are in Riverdale Sd 51j?
Besides Riverdale Grade School, Riverdale Sd 51j also operates Riverdale High School (159 students). See the Riverdale Sd 51j district page for the complete list.