Riverdale Grade School
🇺🇸 Official data · 2025Portland, Oregon 97219 · Riverdale SD 51J
#7 of 678 elementary schools in Oregon
#3195 of 50,301 nationally
About Riverdale Grade School
Riverdale Grade School is a public elementary located in Portland, in the Riverdale SD 51J school district of Oregon, United States. It caters for Grades K–8. In 2025 it enrolled 406 students. Traditional public schools run by a school district; free to attend.
Its Success Index (US) is 83.4 out of 100, placing it in the top 10% of elementary schools in United States and 7th of 678 ranked elementary schools in Oregon. Its strongest component is reading proficiency (99th percentile), and its weakest is students per teacher (29th percentile).
Other published figures: enrollment 406.
There are 149 schools in Portland; Riverdale Grade School ranks 2nd of 145 scored schools there.
Success Index (US) breakdown
Each component is a percentile against elementary schools across United States.
- Math proficiency (30%)84%
- Reading proficiency (30%)88%
- Community advantage (fewer free/reduced-price lunch) (25%)–
- Students per teacher (15%)16.9
The Success Index (US) summarises published data about a school community. It is not a measure of teaching quality. Read the methodology.
Published measures
All figures published for Riverdale Grade School by the official sources.
- Enrollment
- 406
- Students enrolled in the latest NCES directory year.
- Students per teacher
- 16.9
- Enrollment divided by FTE teachers; not class size.
- Reading proficiency
- 88%
- Share of tested students proficient or above (all students, all grades).
- Math proficiency
- 84%
- Share of tested students proficient or above (all students, all grades).
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Schools near Riverdale Grade School
Closest schools by straight-line distance, with their Success Index (US).
Milwaukie Academy of the Arts
Milwaukie · Charter high · Grades 9–12
281 students · 1.3 km away
Milwaukie High School
Milwaukie · Public high · Grades 9–12
874 students · 1.4 km away
Milwaukie El Puente Elementary School
Milwaukie · Public elementary · Grades K–5
408 students · 1.7 km away
Oak Grove Elementary
Milwaukie · Public elementary · Grades K–5
262 students · 2.1 km away
Forest Hills Elementary School
Lake Oswego · Public elementary · Grades K–5
389 students · 2.2 km away
Rowe Middle School
Milwaukie · Public middle · Grades 6–8
747 students · 2.4 km away
Sellwood Middle School
Portland · Public middle · Grades 6–8
575 students · 2.6 km away
New Urban High School
Milwaukie · Public high · Grades 9–12
320 students · 2.7 km away
Riverdale High School
Portland · Public high · Grades 9–12
159 students · 2.7 km away
Ardenwald Elementary School
Milwaukie · Public elementary · Grades K–5
396 students · 3.2 km away
Similar schools
Public elementary schools in Oregon with a comparable Enrollment.
Gilbert Heights Elementary School
Portland · Public elementary · Grades PK–5
405 students
Warrenton Grade School
Warrenton · Public elementary · Grades K–5
405 students
Lava Ridge Elementary School
Bend · Public elementary · Grades K–5
404 students
West Park Elementary School
Hermiston · Public elementary · Grades K–5
408 students
Milwaukie El Puente Elementary School
Milwaukie · Public elementary · Grades K–5
408 students
Imlay Elementary School
Hillsboro · Public elementary · Grades K–6
409 students
Frequently asked questions
Is Riverdale Grade School a good school?
Riverdale Grade School has a Success Index (US) of 83.4 out of 100 (Top 10% of elementary schools in United States) and ranks #7 of 678 in Oregon. The index summarises published data about the school community and, where available, attainment; it does not measure teaching quality, so visit the school and ask about support at your child's level.
Where does Riverdale Grade School rank in Oregon?
Riverdale Grade School ranks #7 of 678 elementary schools in Oregon and #3195 of 50,301 nationally on the Success Index (US) (2025 data).
How many students attend Riverdale Grade School?
Riverdale Grade School had 406 students in 2025.
Is Riverdale Grade School a elementary school or a high school?
Riverdale Grade School is classified as a elementary covering Grades K–8. It is a public school.
What other schools are near Riverdale Grade School?
There are 10 schools within 15 km of Riverdale Grade School; they are listed on this page with their Success Index (US) and distance, and can be compared side by side.