At a glance
Reported students
159
NCES CCD 2024–25
Teachers (FTE)
16.75
NCES CCD 2024–25
Student–teacher ratio
9.5:1
Calculated; not a class-size measure
Grades served
09–12
NCES preliminary directory 2025–26
School benchmarks
Oregon high enrollment
26th percentile
Compared with 267 same-level schools reporting enrollment.
District median enrollment
282.5
Riverdale High School: 159 reported students.
State peer staffing position
8th percentile
9.5:1 reported; state peer median 18.2:1. Ratio is not class size.
Historical enrollment and staffing · CRDC 2021–22
These older figures are kept separate from 2024–25 statistics and benchmarks. Differences between years can reflect changes in enrollment, staffing, or reporting scope.
- Students
- 191
- Teachers (FTE)
- 13
- Student–teacher ratio
- 14.7:1
What the reported data says about Riverdale High School
Riverdale High School is a public high school serving grades 09–12 in Portland. It is one of 2 current school records connected to Riverdale SD 51J. NCES reports 159 students for 2024–25.
Among 267 high schools in Oregon with comparable records, this school is smaller than the reported median of 342 students. Its enrollment is at approximately the 26th percentile for that peer group. Size describes the campus, not instructional quality.
The reported student–teacher ratio is 9.5:1, below the Oregon median of 18.2:1 for the same school level. This ratio uses total enrollment and teacher FTE; it is not an average classroom headcount and can be affected by special programs or part-time staffing.
The largest reported race and ethnicity groups are White (78%) and multiracial (10.7%). Students served under IDEA represent 9.9%. These figures help families understand who the school serves; they are not rating inputs.
The 2021–22 civil-rights collection reports gifted and talented programming, computer science. Program availability changes, so families should confirm the current catalog and participation rules directly with the school.
Questions worth asking Riverdale High School
- 1How do the reported 9.5:1 student–teacher ratio and 16.75 teacher FTE translate into actual class sizes by grade?
- 2Have the reported academic programs changed since the 2021–22 CRDC collection?
- 3What counseling support is available today? The school reported 2 counselor FTE in 2021–22.
- 4What meal assistance, transportation, after-school, and family-support services are currently available?
Enrollment needs
- Students with disabilities
- 9.9%
- Lunch program
- No
Reported support staff
- Counselors (FTE)
- 2
- Nurses (FTE)
- 0.5
- Psychologists (FTE)
- 0.25
- Social workers (FTE)
- 0
CRDC 2021–22 full-time-equivalent counts; verify current assignments with the school.
Student demographics
Race and ethnicity share of reported enrollment
- White78%
- Hispanic7.5%
- Black0%
- Asian2.5%
- American Indian / Alaska Native0%
- Native Hawaiian / Pacific Islander0%
- Multiracial10.7%
Race/ethnicity: NCES CCD 2024–25. English learner and disability context: CRDC 2021–22. Lunch eligibility: NCES CCD 2024–25. Privacy rules can produce missing values.
Programs reported by the school
AP student enrollment
No students enrolled reported
Gifted and talented
Offered
Computer science
Offered
CRDC 2021–22: the AP flag records student enrollment; gifted and computer-science fields describe reported programs/classes. Confirm current courses and eligibility with the school.
Other schools in Riverdale SD 51J
Start with campuses at the same school level or with similar reported enrollment.
View all 2 district schools →Public schools near Riverdale High School
Closest campuses by straight-line distance between NCES geocodes, favoring the same school level. Distance is not drive time or an attendance assignment.
| School | Grades | Students | Distance |
|---|---|---|---|
| Ida B. Wells-Barnett High School High · Portland SD 1J | 09–12 | 1,650 | 1.6 mi |
| Lake Oswego High School High · Lake Oswego SD 7J | 09–12 | 1,282 | 2.1 mi |
| Milwaukie Academy of the Arts High · Charter · North Clackamas SD 12 | 09–12 | 281 | 2.4 mi |
| Milwaukie High School High · North Clackamas SD 12 | 09–12 | 874 | 2.5 mi |
| New Urban High School High · North Clackamas SD 12 | 09–12 | 320 | 3.3 mi |
| Cleveland High School High · Portland SD 1J | 09–12 | 1,421 | 3.8 mi |
Frequently asked questions about Riverdale High School
What grades does Riverdale High School serve?
Riverdale High School reports grades 09–12 in the NCES 2025–26 preliminary directory. It is classified as a high school in Riverdale SD 51J.
How many students attend Riverdale High School?
Riverdale High School reported 159 students in the NCES 2024–25 membership file. That places it near the 26th percentile among 267 Oregon high schools reporting enrollment. The 2021–22 civil-rights collection recorded 191 students.
What is the student–teacher ratio at Riverdale High School?
The calculated ratio is 9.5:1, based on 159 students and 16.75 full-time-equivalent classroom teachers in 2024–25. The Oregon median for the same school level is 18.2:1. A ratio is not the same as average class size.
Is Riverdale High School a public, charter, or magnet school?
Riverdale High School is a public school and is not a charter school. Enrollment is generally based on Riverdale SD 51J attendance boundaries and transfer rules.
Which school district is Riverdale High School in?
Riverdale High School is part of Riverdale SD 51J, based in Portland, OR, which operates 2 current schools. Confirm attendance zones and enrollment rules with the district.
What public schools are near Riverdale High School?
The closest public schools by straight-line distance include Ida B. Wells-Barnett High School (1.6 mi), Lake Oswego High School (2.1 mi), Milwaukie Academy of the Arts (2.4 mi). Distance does not determine eligibility; attendance boundaries and program rules do.