- Enrollment
- 406
- Students per teacher
- 15.6:1
- Resource Index
- 36/100
High school (grades 9-12) · Portland, OR
Riverdale High School
Federal NCES profile for Riverdale High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 57/100.
The verdict
Riverdale High School earns 57/100 on the Resource Investment Index, with class sizes smaller than 94% of Oregon schools.
- #2 of 16
- high schools in Portland · Resource Index
- 57
- Resource Index · Higher
- 10.6:1
- small classes for Oregon
- 159
- students enrolled
Riverdale High School has class sizes smaller than 94% of Oregon schools. Computed live against every Oregon school reporting to NCES.
By Resource Investment Index, Riverdale High School ranks #2 of 16 high schools in Portland, OR.
School address
NCES ID 411056000892 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
-21 students YoY
Riverdale High School shrank from 185 students in 2022-23 to 164 in 2023-24 (-11.4%).
Teacher FTE held 15.0 → 15.0 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Shrinking CCD campus
-21 students YoY 411056000892 · Portland, OR High · SMALL · TRAD
159 enr · 10.6:1 · RII 57
Nearest enrollment peer: Riverdale Grade School (406 students)
Riverdale High School shrank from 185 students in 2022-23 to 164 in 2023-24 (-11.4%). Teacher FTE held 15.0 → 15.0 across the same CCD years. Read with this school → · District book → · Oregon schools → · Find another →
How Riverdale High School compares
Riverdale High School is a shrinking campus on CCD: ratios and free-lunch share vs Oregon and U.S. means.
| Metric | This school | vs Oregon | Oregon avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 10.6:1 | ▼ 40% | 17.6:1 | 15.7:1 |
| Enrollment | 159 | top 83% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
Equity indicators methodology
Student demographics
Largest group: White at 79.0% of enrollment.
Simpson diversity index - at 35.8, Riverdale High 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 High School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Riverdale Grade School | Larger | No free-lunch data | Higher S:T ratio |
Comparisons are relative to Riverdale High School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
Similar high schools in Portland
6 comparable high schools (grades 9-12) serving the same city.
Nationwide high 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 (~159 students)
Similar student-teacher ratio (~10.6:1)
Frequently asked questions about Riverdale High School
How many students attend Riverdale High School?
Riverdale High School has 159 students enrolled. It is a high school in Portland, OR. CCD year-over-year: 185 (2022-23) → 164 (2023-24), down 21.
What is the student-teacher ratio at Riverdale High School?
The student-teacher ratio at Riverdale High School is 10.6:1, which is 40% lower than the Oregon average of 17.6:1 and 32% 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 High School?
The largest demographic group at Riverdale High School is White at 79.0% of enrollment, in Portland, OR.
What is the Resource Investment Index for Riverdale High School?
Riverdale High School has a Resource Investment Index of 57/100 (higher 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 High School rank among high schools in Portland?
By Resource Investment Index, Riverdale High School ranks #2 of 16 high 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 high schools in Portland on the city page.
What other schools are in Riverdale Sd 51j?
Besides Riverdale High School, Riverdale Sd 51j also operates Riverdale Grade School (406 students). See the Riverdale Sd 51j district page for the complete list.