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SCHOOL COMMUNITY·RIVERDALE SD 51J·NCES 411056001039

Riverdale Grade School

11733 S Breyman Ave, Portland, OR 97219 · (503) 262-4842 · Multnomah County
GRADES KG–08ELEMENTARY21-SUBURBREGULAR SCHOOL406 STUDENTS
A+
allk12 Grade
Scored higher than 99% of Oregon public elementary schools
  • A+Test scores Share of students meeting the state standard in reading, math, and other tested subjects, 2023-24 and 2024-25.

Grades compare a school only with schools in the same state, because every state gives its own test. How grades work · Top-graded Oregon public elementary schools

Enrollment
406
Elementary
DISTRICT 283 · STATE 321
Student : Teacher
16.6:1
25 FTE teachers
DISTRICT 13.0:1 · STATE 16.5:1
Free / Reduced Lunch
,
Title I proxy
STATE 76%
Community
1
0 members
Enrollment and student:teacher ratio compared against other elementary schools. Free/Reduced Lunch and demographics compared against all schools.

Enrollment by grade, 2024-25

GradeStudentsShare
Kindergarten389%
Grade 1348%
Grade 24210%
Grade 34411%
Grade 44511%
Grade 55113%
Grade 64912%
Grade 75113%
Grade 85213%

This year's kindergarten class (38) is 27% smaller than its 8th grade class (52).

Student demographics
38%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 38% · STATE 59% · US 70%
White
31377%
DISTRICT 77% · STATE 57% · US 43%
Hispanic
246%
DISTRICT 6% · STATE 26% · US 30%
Black
10%
DISTRICT 0% · STATE 2% · US 15%
Asian
154%
DISTRICT 3% · STATE 4% · US 6%
Two+
5213%
DISTRICT 12% · STATE 7% · US 5%
Student head counts by race/ethnicity from federal NCES enrollment data. District, state, and US figures are each group's share of all public school students in that area (US excludes territories). Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
Male
20751%
Female
19849%

School pathway

Students here typically continue to
Riverdale Grade School→Riverdale High School
Based on grade levels within Riverdale SD 51J. Attendance zones can vary; confirm enrollment with the district.

Discussions

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Test scores

OSAS 2024-25 . % Proficient
English Language Arts
86.9%
OR avg 43.0% . +0.7pp since 2023
Math
79.5%
OR avg 31.8% . +6.4pp since 2023

What this means: On the OSAS, Oregon's statewide test, about 87 of every 100 students at this school read and write at grade level and about 80 of 100 do math at grade level. Across all Oregon schools, those numbers are about 43 and 32. Reading and writing scores have held steady since 2023, while math scores are up about 6 points.

OSAS results by year

School yearEnglish Language ArtsMath
2024-2586.9%79.5%
2023-2486.2%73.1%
% Proficient, all students and all tested grades.
Source: OSAS. All students, all grades. See all years and grades →

Where Riverdale Grade School ranks

Among elementary schools
MeasureThis schoolIn OregonIn Multnomah County
Math proficiency
ranked highest first
79.5%#8 of 646
▲ 14
#5 of 109
▲ 3
Reading proficiency
ranked highest first
86.9%#3 of 646
no change
#2 of 109
▼ 1
Enrollment
ranked largest first
406#190 of 710#30 of 110
Students per teacher
ranked fewest first
16.6:1#256 of 587#51 of 101
Diversity index
ranked most diverse first
38.1%#474 of 587#97 of 101
Enrollment change since 2017-18
ranked fastest growth first
+1.5%#80 of 88#12 of 13
Ranked against other public elementary schools. Online schools are left out of every list, and test-score lists leave out schools that serve specialized populations. Each rank links to the full list. Arrows under a test-score rank show places moved since the prior test year, among schools tested both years.

4-year change

SY 2020-21 vs SY 2024-25
Enrollment
406
+29 (+8%) vs 2020
+63% since 1990-91, when it was 249
Student : Teacher
16.6:1
was 15.1:1
Source: NCES Common Core of Data

Enrollment and staffing by year

School yearStudentsTeachers (FTE)Students per teacherFree and reduced lunch
2024-2540624.516.6:1N/A
2023-244002516.0:1N/A
2022-234102615.8:1N/A
2020-213772515.1:1N/A
2017-1840025.815.5:1N/A
2015-163612216.4:1N/A
2010-113182115.1:10% (0)
2000-013482315.1:11% (4)
1990-912492012.4:1N/A
Source: NCES Common Core of Data. Rows are the federal collections on file for Riverdale Grade School.

Since 2017-18: students up 2% (400 to 406); teachers down 5% (25.8 to 24.5).

About Riverdale Grade School

Riverdale Grade School is an elementary school in Portland, Oregon, and it is part of Riverdale SD 51J. The latest federal count shows 406 students in kindergarten through 8. Against the 321-student average for elementary schools in Oregon, enrollment here is 26% higher.

The Riverdale SD 51J system has 2 schools and 565 students.

At 77%, White students outnumber all other groups at Riverdale Grade School combined. It is also 13% multiracial, 6% Hispanic, and 4% Asian. Multnomah County's residents are about 68% White, 9 points below the school's share. By the diversity index, Riverdale Grade School comes in at 38%.

Riverdale Grade School counts 24.5 full-time-equivalent teachers, about 16.6 students for each one. Elementary schools in Oregon average about 16.5:1, a similar figure.

The allk12 Grade for Riverdale Grade School is A+. Compared with Oregon public elementary schools, the school scored higher than 99% on a mix of test scores, poverty-adjusted results, and recent trend.

Multnomah County census figures show that median household income is about $88,766, roughly 49% of adults have a four-year degree or more, and the share of residents below the poverty line is 7%. Riverdale Grade School is among the 169 public schools in Multnomah County.

The closest public school to Riverdale Grade School is Milwaukie Academy of the Arts, about 0.8 miles away. Other public schools within five miles number at least 8.

The NCES locale for Riverdale Grade School is Suburb: Large, which covers schools in a suburban area outside a principal city, within an urbanized area with a population of 250,000 or more.

Riverdale Grade School saw enrollment rise 8% between 2020-21 and 2024-25. Its ratio of students to teachers was 15.1:1 in 2020-21, and 16.6:1 in 2024-25.

The allk12 site hosts a discussion page for Riverdale Grade School covering things like enrollment questions, class placement, and PTA news. Posting is open to anyone connected to the school.

Multnomah County at a glance

View full county profile
Population
801,477
Census ACS
Median income
$88,766
Household, ACS
Bachelor's+
49%
Adults 25+
Poverty rate
7%
Below federal line
Schools in county
169
81,096 students

Quick facts

School name
Riverdale Grade School
District
Riverdale SD 51J
Address
11733 S Breyman Ave, Portland, OR 97219
Phone
(503) 262-4842
County
Multnomah County
Level
Elementary
Grade range
KG–08
Total enrollment
406
Teachers (FTE)
25
Student–teacher ratio
16.6:1
Locale
21-Suburb: Large
NCES ID
411056001039
Charter school
No
Virtual school
No

Related schools

Other schools in Riverdale SD 51J
Other schools in Portland
Nearby schools

Frequently asked questions

About Riverdale Grade School
What is the total enrollment at Riverdale Grade School?
Riverdale Grade School enrolls approximately 406 students in grades KG-08.
Is Riverdale Grade School an elementary, middle, or high school?
Riverdale Grade School is an elementary school covering grades KG-08.
What is the student-teacher ratio at Riverdale Grade School?
The student-to-teacher ratio at Riverdale Grade School is approximately 16.6:1 (25 FTE teachers).
How diverse is Riverdale Grade School?
Riverdale Grade School reports a student body of 77% White, 6% Hispanic, 0% Black, 4% Asian, 13% Two or more.
What district is Riverdale Grade School in?
Riverdale Grade School is part of Riverdale SD 51J.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
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