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What's the most underrated thing about River Mill Elementary School that outsiders don't know?
Community prompt from u/allk12. Replies below.
Enrollment
506
Elementary
DISTRICT 470 · STATE 321
SCHOOL COMMUNITY·ESTACADA SD 108·NCES 410470000140
River Mill Elementary School
850 N Broadway St, Estacada, OR 97023 · (503) 630-8517 · Clackamas County
GRADES KG–05ELEMENTARY31-TOWNTITLE IREGULAR SCHOOL506 STUDENTS
Student : Teacher
19.5:1
26 FTE teachers
DISTRICT 19.7:1 · STATE 16.5:1
Free / Reduced Lunch
53%
269 students
DISTRICT 52% · 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
| Grade | Students | Share |
|---|---|---|
| Kindergarten | 85 | 17% |
| Grade 1 | 74 | 15% |
| Grade 2 | 87 | 17% |
| Grade 3 | 91 | 18% |
| Grade 4 | 79 | 16% |
| Grade 5 | 90 | 18% |
This year's kindergarten class (85) is 6% smaller than its 5th grade class (90).
Student demographics
42%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 45% · 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
School pathway
Students here typically continue to
Based on grade levels within Estacada SD 108. Attendance zones can vary; confirm enrollment with the district.
Test scores
OSAS 2024-25 . % ProficientEnglish Language Arts
44.8%
OR avg 43.0% . -0.6pp since 2023
Math
29.2%
OR avg 31.8% . +1.2pp since 2023
What this means: On the OSAS, Oregon's statewide test, about 45 of every 100 students at this school read and write at grade level and about 29 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 1 points.
OSAS results by year
| School year | English Language Arts | Math |
|---|---|---|
| 2024-25 | 44.8% | 29.2% |
| 2023-24 | 45.4% | 28.0% |
% 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
36.3%
composite math + reading, all grades
Predicted
41.9%
based on OR schools with similar FRL share
Beats by
-5.6pp
below demographic expectation
What this means: About 36% of students here test proficient in math and reading, compared with the roughly 42% 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 River Mill Elementary School
River Mill Elementary School's state test result (36.3% proficient) is higher than 5 of the 5 schools below with a result.
| School | Students | Low-income | Proficient |
|---|---|---|---|
| River Mill Elementary School this school | 506 | 53.2% | 36.3% |
| Beavercreek Elementary School Beavercreek | 458 | 54.6% | 32.3% |
| Redland Elementary School Oregon City | 475 | 54.1% | 27.2% |
| Millicoma School Coos Bay | 473 | 53.9% | 26.7% |
| Holcomb Elementary School Oregon City | 516 | 54.5% | 34.7% |
| Clackamas River Elementary School Estacada | 433 | 55.4% | 30.4% |
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 River Mill Elementary School ranks
Among elementary schools| Measure | This school | In Oregon | In Clackamas County |
|---|---|---|---|
| State test proficiency ranked highest first | 36.3% | #267 of 591 | #38 of 63 |
| Math proficiency ranked highest first | 29.2% | #381 of 646 ▲ 18 | #53 of 66 ▼ 4 |
| Reading proficiency ranked highest first | 44.8% | #278 of 646 ▼ 22 | #40 of 66 ▼ 4 |
| Enrollment ranked largest first | 506 | #57 of 710 | #6 of 67 |
| Students per teacher ranked fewest first | 19.5:1 | #504 of 587 | #50 of 62 |
| Diversity index ranked most diverse first | 41.8% | #416 of 587 | #45 of 62 |
| Free and reduced lunch ranked highest share first | 53.2% | #530 of 645 | #47 of 64 |
| Enrollment change since 2017-18 ranked fastest growth first | +40.2% | #7 of 88 | #2 of 18 |
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
506
+72 (+17%) vs 2020
+41% since 1990-91, when it was 358
Student : Teacher
19.5:1
was 19.7:1
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 | 506 | 26 | 19.5:1 | 53% (269) |
| 2023-24 | 505 | 27 | 18.7:1 | 53% (267) |
| 2022-23 | 492 | 22.5 | 21.9:1 | 48% (234) |
| 2020-21 | 434 | 22 | 19.7:1 | N/A |
| 2017-18 | 361 | 21 | 17.2:1 | 58% (210) |
| 2015-16 | 307 | 17 | 18.1:1 | 85% (262) |
| 2010-11 | 293 | 16 | 18.3:1 | 61% (178) |
| 2000-01 | 409 | 19 | 21.5:1 | 46% (189) |
| 1990-91 | 358 | 17 | 21.1:1 | N/A |
Source: NCES Common Core of Data. Rows are the federal collections on file for River Mill Elementary School.
Since 2017-18: students up 40% (361 to 506); teachers up 24% (21 to 26).
About River Mill Elementary School
River Mill Elementary School is a large elementary school in Oregon, located in Estacada. The school teaches kindergarten through 5 and enrolls 506 students. That puts enrollment 58% above the 321-student average for elementary schools in Oregon.
Estacada SD 108 has 3,312 students spread across 5 schools.
The share of White students at River Mill Elementary School is 74%, a majority. It is also 18% Hispanic and 7% multiracial. Its diversity index, the chance that two randomly chosen students belong to different racial or ethnic groups, is 42%.
Based on 26 full-time-equivalent teachers, River Mill Elementary School has a ratio of 19.5:1. Across elementary schools in Oregon, the average ratio is 16.5:1. Income data for the school show 53% of students eligible for free or reduced-price lunch.
Based on student poverty, the model expects 41.9% at River Mill Elementary School; the school's average proficiency rate across its state test results is 36.3%.
In Clackamas County, where the school is located, the median household earns about $103,517 a year, roughly 41% of adults have a four-year degree or more, and about 5% of residents live below the federal poverty line. Counting River Mill Elementary School, Clackamas County has 118 public schools.
Estacada High School is about 0.1 miles away, making it the nearest public school. Inside a five-mile radius, there are 4 other public schools. Ranking the closest schools with test data puts River Mill Elementary School at 4th of 7.
The school is in a town close to an urbanized area, according to its NCES locale (Town: Fringe).
In 2020-21, River Mill Elementary School enrolled 434 students. By 2024-25, that number had grown to 506.
People who know River Mill Elementary School can post here about open houses, carpools, and field trips. Teachers and staff are welcome to share updates too.
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 Estacada SD 108
- Summit Learning CharterCombined · 1,355 students
- Estacada High SchoolHigh · 558 students
- Estacada Middle SchoolMiddle · 460 students
- Clackamas River Elementary SchoolElementary · 433 students
Other schools in Estacada
- Estacada High SchoolHigh · 558 students
- Estacada Middle SchoolMiddle · 460 students
- Clackamas River Elementary SchoolElementary · 433 students
Nearby schools
- Estacada High School0.1 mi · 558
- Estacada Middle School0.2 mi · 460
- Clackamas River Elementary School0.4 mi · 433
- Summit Learning Charter4.6 mi · 1,355
- Firwood Elementary School7.6 mi · 430
- Cedar Ridge Middle School7.8 mi · 471
Frequently asked questions
About River Mill Elementary SchoolHow many students attend River Mill Elementary School?
River Mill Elementary School enrolls approximately 506 students in grades KG-05.
What grades does River Mill Elementary School serve?
River Mill Elementary School serves grades KG-05.
What is the student-teacher ratio at River Mill Elementary School?
The student-to-teacher ratio at River Mill Elementary School is approximately 19.5:1 (26 FTE teachers).
What is the student diversity at River Mill Elementary School?
Student demographics at River Mill Elementary School are roughly 74% White, 18% Hispanic, 1% Black, 7% Two or more.
What district is River Mill Elementary School in?
River Mill Elementary School is part of Estacada SD 108.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.