Sellwood Middle School
🇺🇸 Official data · 2025Portland, Oregon 97202 · Portland SD 1J
#12 of 208 middle schools in Oregon
#2974 of 15,369 nationally
About Sellwood Middle School
Sellwood Middle School is a public middle located in Portland, in the Portland SD 1J school district of Oregon, United States. It caters for Grades 6–8. In 2025 it enrolled 575 students. Traditional public schools run by a school district; free to attend.
Its Success Index (US) is 71.8 out of 100, placing it in the top 25% of middle schools in United States and 12th of 208 ranked middle schools in Oregon. Its strongest component is reading proficiency (92th percentile), and its weakest is students per teacher (12th percentile).
Other published figures: enrollment 575.
There are 149 schools in Portland; Sellwood Middle School ranks 24th of 145 scored schools there.
Success Index (US) breakdown
Each component is a percentile against middle schools across United States.
- Math proficiency (30%)66%
- Reading proficiency (30%)77%
- Community advantage (fewer free/reduced-price lunch) (25%)41.7%
- Students per teacher (15%)20.5
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 Sellwood Middle School by the official sources.
- Enrollment
- 575
- Students enrolled in the latest NCES directory year.
- Free/reduced-price lunch
- 41.7%
- Share of students eligible for free or reduced-price lunch.
- Students per teacher
- 20.5
- Enrollment divided by FTE teachers; not class size.
- Reading proficiency
- 77%
- Share of tested students proficient or above (all students, all grades).
- Math proficiency
- 66%
- Share of tested students proficient or above (all students, all grades).
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Schools near Sellwood Middle School
Closest schools by straight-line distance, with their Success Index (US).
Llewellyn Elementary School
Portland · Public elementary · Grades K–5
373 students · 1.6 km away
Duniway Elementary School
Portland · Public elementary · Grades K–5
387 students · 1.8 km away
Ardenwald Elementary School
Milwaukie · Public elementary · Grades K–5
396 students · 2.1 km away
Milwaukie Academy of the Arts
Milwaukie · Charter high · Grades 9–12
281 students · 2.5 km away
Riverdale Grade School
Portland · Public elementary · Grades K–8
406 students · 2.6 km away
Milwaukie High School
Milwaukie · Public high · Grades 9–12
874 students · 2.6 km away
Milwaukie El Puente Elementary School
Milwaukie · Public elementary · Grades K–5
408 students · 2.6 km away
Riverdale High School
Portland · Public high · Grades 9–12
159 students · 2.8 km away
Lewis Elementary School
Portland · Public elementary · Grades K–5
267 students · 2.8 km away
Grout Elementary School
Portland · Public elementary · Grades K–5
295 students · 3.4 km away
Similar schools
Public middle schools in Oregon with a comparable Enrollment.
Hamlin Middle School
Springfield · Public middle · Grades 6–8
573 students
Walker Middle School
Salem · Public middle · Grades 6–8
571 students
LaCreole Middle School
Dallas · Public middle · Grades 6–8
569 students
Joseph Lane Middle School
Roseburg · Public middle · Grades 6–8
581 students
Obsidian Middle School
Redmond · Public middle · Grades 6–8
568 students
Straub Middle School
Salem · Public middle · Grades 6–8
568 students
Frequently asked questions
Is Sellwood Middle School a good school?
Sellwood Middle School has a Success Index (US) of 71.8 out of 100 (Top 25% of middle schools in United States) and ranks #12 of 208 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 Sellwood Middle School rank in Oregon?
Sellwood Middle School ranks #12 of 208 middle schools in Oregon and #2974 of 15,369 nationally on the Success Index (US) (2025 data).
How many students attend Sellwood Middle School?
Sellwood Middle School had 575 students in 2025.
Is Sellwood Middle School a elementary school or a high school?
Sellwood Middle School is classified as a middle covering Grades 6–8. It is a public school.
What other schools are near Sellwood Middle School?
There are 10 schools within 15 km of Sellwood Middle School; they are listed on this page with their Success Index (US) and distance, and can be compared side by side.