Enrollment
311
Elementary
DISTRICT 371 · STATE 321
SCHOOL COMMUNITY·NORTH CLACKAMAS SD 12·NCES 410883000084
Riverside Elementary School
16303 SE River Rd, Milwaukie, OR 97267 · (503) 353-5560 · Clackamas County
GRADES KG–05ELEMENTARY21-SUBURBTITLE IREGULAR SCHOOL311 STUDENTS
C
allk12 Grade
Scored higher than 27% of Oregon public elementary schools
- C+Test scores Share of students meeting the state standard in reading, math, and other tested subjects, 2023-24 and 2024-25.
- C-Beats expectations How far test scores land above or below what the share of low-income students predicts for a school in this state.
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
Student : Teacher
15.5:1
20 FTE teachers
DISTRICT 17.9:1 · STATE 16.5:1
Free / Reduced Lunch
59%
183 students
DISTRICT 58% · STATE 76%
Community
0
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
| Grade | Students | Share |
|---|---|---|
| Kindergarten | 51 | 16% |
| Grade 1 | 52 | 17% |
| Grade 2 | 59 | 19% |
| Grade 3 | 51 | 16% |
| Grade 4 | 42 | 14% |
| Grade 5 | 56 | 18% |
This year's kindergarten class (51) is 9% smaller than its 5th grade class (56).
Student demographics
56%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 65% · STATE 59% · US 70%
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
Test scores
OSAS 2024-25 . % ProficientEnglish Language Arts
39.0%
OR avg 43.0% . +10.6pp since 2023
Math
30.9%
OR avg 31.8% . +11.1pp since 2023
What this means: On the OSAS, Oregon's statewide test, about 39 of every 100 students at this school read and write at grade level and about 31 of 100 do math at grade level. Across all Oregon schools, those numbers are about 43 and 32. Reading and writing scores are up about 11 points since 2023, while math scores are up about 11 points.
OSAS results by year
| School year | English Language Arts | Math |
|---|---|---|
| 2024-25 | 39.0% | 30.9% |
| 2023-24 | 28.4% | 19.8% |
% Proficient, all students and all tested grades.
Source: OSAS. All students, all grades. See all years and grades →
BeatsExpectations
Demographically-adjusted score · methodologyTier
AS EXPECTED
Performing as predicted given the school's student profile
Actual proficiency
29.5%
composite math + reading, all grades
Predicted
39.7%
based on OR schools with similar FRL share
Beats by
-10.3pp
below demographic expectation
What this means: About 29% of students here test proficient in math and reading, compared with the roughly 40% typical for Oregon schools with a similar share of low-income students. BeatsExpectations measures results against demographically similar schools rather than by raw scores, and this school falls within the typical range, neither among Oregon's top nor bottom 10%.
BeatsExpectations runs a per-state regression of proficiency on free/reduced-lunch share, then scores each school by residual. How this is calculated →
Schools most like Riverside Elementary School
Riverside Elementary School's state test result (29.5% proficient) is higher than 1 of the 5 schools below with a result.
| School | Students | Low-income | Proficient |
|---|---|---|---|
| Riverside Elementary School this school | 311 | 58.8% | 29.5% |
| Lincoln Elementary School Corvallis | 311 | 57.2% | 40.2% |
| Cesar Chavez Elementary School Eugene | 356 | 63.8% | 19.9% |
| Naas Elementary School Boring | 290 | 60.0% | 44.0% |
| Tualatin Elementary School Tualatin | 414 | 61.4% | 35.0% |
| Garfield Elementary School Corvallis | 378 | 57.1% | 32.6% |
Matched among Oregon elementary schools on enrollment, the share of students from low-income families (eligible for free or reduced-price lunch), and racial and ethnic makeup. Proficient is the average share of students meeting the state standard across all of the school's state tests in 2023-24 and 2024-25, the same combined score our test-score rankings use. Online schools and schools serving specialized populations are not matched.
Where Riverside Elementary School ranks
Among elementary schools| Measure | This school | In Oregon | In Clackamas County |
|---|---|---|---|
| State test proficiency ranked highest first | 29.5% | #372 of 591 | #50 of 63 |
| Math proficiency ranked highest first | 30.9% | #361 of 646 ▲ 166 | #51 of 66 ▲ 11 |
| Reading proficiency ranked highest first | 39.0% | #366 of 646 ▲ 146 | #51 of 66 ▲ 10 |
| Enrollment ranked largest first | 311 | #385 of 710 | #47 of 67 |
| Students per teacher ranked fewest first | 15.5:1 | #165 of 587 | #12 of 62 |
| Diversity index ranked most diverse first | 55.5% | #230 of 587 | #23 of 62 |
| Free and reduced lunch ranked highest share first | 58.8% | #483 of 645 | #24 of 64 |
| Enrollment change since 2017-18 ranked steepest decline first | -27.0% | #111 of 493 | #12 of 43 |
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 2024-25Enrollment
311
-27 (-8%) vs 2020
-26% since 1990-91, when it was 420
Student : Teacher
15.5:1
was 16.9:1
Source: NCES Common Core of Data
Enrollment and staffing by year
| School year | Students | Teachers (FTE) | Students per teacher | Free and reduced lunch |
|---|---|---|---|---|
| 2024-25 | 311 | 20.1 | 15.5:1 | 59% (183) |
| 2023-24 | 337 | 18.9 | 17.9:1 | 70% (236) |
| 2022-23 | 331 | 18.7 | 17.7:1 | 70% (233) |
| 2020-21 | 338 | 20 | 16.9:1 | N/A |
| 2017-18 | 426 | 22.7 | 18.8:1 | 50% (214) |
| 2015-16 | 442 | 22 | 20.1:1 | 55% (245) |
| 2010-11 | 305 | 14 | 21.8:1 | 56% (172) |
| 2000-01 | 389 | 20 | 19.4:1 | 41% (160) |
| 1990-91 | 420 | 20 | 21.0:1 | N/A |
Source: NCES Common Core of Data. Rows are the federal collections on file for Riverside Elementary School.
Since 2017-18: students down 27% (426 to 311); teachers down 12% (22.7 to 20.1).
About Riverside Elementary School
This page covers Riverside Elementary School, a mid-sized elementary school in Milwaukie, Oregon. It teaches 311 students in kindergarten through 5.
North Clackamas SD 12 counts 31 schools and 16,837 students, including Riverside Elementary School.
At Riverside Elementary School, 54% of students are White. The remaining students are 39% Hispanic and 5% multiracial. Census figures show Clackamas County is about 79% White. On the diversity index, which measures the chance that two random students are from different groups, Riverside Elementary School scores 56%.
Riverside Elementary School lists 20.1 full-time-equivalent teachers; that is about 15.5 students per teacher. The gap from the 16.5:1 average for elementary schools in Oregon is 1.0 students per teacher. About 59% of students at Riverside Elementary School are eligible for free or reduced-price lunch. The gap from the 50% average for public schools in Clackamas County is 9 points.
Among Oregon public elementary schools, Riverside Elementary School outscored 27%, which works out to a C on the allk12 Grade.
On a poverty-adjusted basis, Riverside Elementary School falls in the middle 80% of Oregon schools: 29.5% actual against 39.7% predicted.
For Clackamas County, Census Bureau data show median household income comes to about $103,517, the share of adults with a bachelor's degree or higher is 41%, and about 5% of people live in poverty. There are 118 public schools in the county, enrolling about 57,601, Riverside Elementary School among them.
About 0.5 miles separate Riverside Elementary School from the closest public school, Parrot Creek Program. A five-mile radius around the school includes at least 8 other public schools. Local comparison: Riverside Elementary School ranks 3rd of 6 nearby schools, at 29.5% versus a 40.9% average.
On the NCES locale scale, the school is Suburb: Large.
Enrollment decreased 8% over 4 years, reaching 311 in 2024-25. Staffing shifted too: the ratio moved from 16.9:1 to 15.5:1.
People can post here about special education services, counseling, and support programs and other school topics. Members of the school community can share what they know.
Clackamas County at a glance
View full county profilePopulation
423,975
Census ACS
Median income
$103,517
Household, ACS
Bachelor's+
41%
Adults 25+
Poverty rate
5%
Below federal line
Schools in county
118
57,601 students
Quick facts
Related schools
Other schools in North Clackamas SD 12
- Adrienne C. Nelson High SchoolHigh · 1,536 students
- Clackamas High SchoolHigh · 1,280 students
- Happy Valley Middle SchoolMiddle · 1,158 students
- Putnam High SchoolHigh · 1,060 students
- Rock Creek Middle SchoolMiddle · 889 students
- Milwaukie High SchoolHigh · 874 students
Other schools in Milwaukie
- Putnam High SchoolHigh · 1,060 students
- Milwaukie High SchoolHigh · 874 students
- Alder Creek Middle SchoolMiddle · 810 students
- Rowe Middle SchoolMiddle · 747 students
- Whitcomb Elementary SchoolElementary · 415 students
- Milwaukie El Puente Elementary SchoolElementary · 408 students
Other Riverside Elementary schools
43 other US public schools in 25 states are named Riverside Elementary. Riverside Elementary School is the 36th largest of the 44.
- Riverside Elementary SchoolGrants Pass, OR · 351 students
- RIVERSIDE ELEMENTARY SCHOOLCRESTVIEW, FL · 1,032 students
- Riverside Elementary SchoolSuwanee, GA · 919 students
- RIVERSIDE ELEMENTARY SCHOOLMIAMI, FL · 842 students
- Riverside Elementary SchoolRIVERSIDE, NJ · 768 students
Nearby schools
- Parrot Creek Program0.5 mi · 10
- Heron Creek Program0.6 mi · 77
- Harmony Academy0.6 mi · 22
- New Urban High School0.9 mi · 320
- Cedaroak Park Primary School1.1 mi · 348
- Hallinan Elementary School1.2 mi · 364
Frequently asked questions
About Riverside Elementary SchoolHow many students attend Riverside Elementary School?
Riverside Elementary School enrolls approximately 311 students in grades KG-05.
Is Riverside Elementary School an elementary, middle, or high school?
Riverside Elementary School is an elementary school covering grades KG-05.
What is the student-teacher ratio at Riverside Elementary School?
The student-to-teacher ratio at Riverside Elementary School is approximately 15.5:1 (20 FTE teachers).
How diverse is Riverside Elementary School?
Riverside Elementary School reports a student body of 54% White, 39% Hispanic, 1% Black, 1% Asian, 5% Two or more.
Who oversees Riverside Elementary School?
Riverside Elementary School is overseen by North Clackamas SD 12 in Clackamas County.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.