Elementary school (grades K-5) · Milwaukie, OR

Oak Grove Elementary

Federal NCES profile for Oak Grove Elementary, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 23/100.

2024-25 NCES dataElementary school (grades K-5)NCES 410883001484
0/100100/10023/100
👥 S:T ratio
38
🌟 Gifted program
30
📋 Attendance
0
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →

The verdict

Oak Grove Elementary earns 23/100 on the Resource Investment Index, with class sizes near the Oregon median.

#11 of 11
elementary schools in Milwaukie · Resource Index
23
Resource Index · Lower
15.4:1
students per teacher
76.0%
free-lunch eligible

Oak Grove Elementary has class sizes near the Oregon median. Computed live against every Oregon school reporting to NCES.

By Resource Investment Index, Oak Grove Elementary ranks #11 of 11 elementary schools in Milwaukie, OR.

School address

Enrollment

262

Oregon · 2024-25 NCES data

Teachers (FTE)

17.0

Federal CCD staff survey

Students per teacher

15.4:1

vs 17.6:1 Oregon avg

-13% vs state

Free-lunch eligible

76.0%

vs 52.8% Oregon avg

+44% vs state

Student-teacher ratio in context

How Oak Grove Elementary compares with Oregon and U.S. medians

Smaller classes than state median

Source: NCES Common Core of Data As of 2024-25 federal staff survey Total enrollment ÷ full-time-equivalent classroom teachers

What stands out at Oak Grove Elementary

Oak Grove Elementary is a high-poverty, mid-sized elementary school in Milwaukie, Oregon, enrolling 262 students.

Class sizes run a bit leaner than typical: 15.4:1 puts it in the smaller third of Oregon schools by student-teacher ratio.

Economic need is high: 76.0% of students qualify for free meals, 44% above the Oregon average, a Title I-weighted population that federal funding formulas prioritise.

Enrollment of 262 puts it in the smaller third of Oregon schools by headcount.

Its Resource Investment Index trails 93% of the 1,273 Oregon schools with a score on record, one of the lower results on this measure.

Among 247 similarly sized, similarly resourced-need Oregon schools statewide, it ranks #225, in the lower tier once campus size and economic need are matched.

Its student body is led by White (60%) and Hispanic or Latino (23%) (diversity index 57/100).

Chronic absenteeism is elevated: 47.3% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).

Among Milwaukie's elementary schools, it stands alongside Whitcomb Elementary School (415 students): Oak Grove Elementary is smaller than that campus by headcount and runs leaner classes (15.4:1 vs 18:1).

North Clackamas Sd 12 also operates Adrienne C. Nelson High School (1,536 students) and Clackamas High School (1,280 students) alongside Oak Grove Elementary.

Sourced from NCES CCD, CRDC, and F-33 (federal records, not a quality verdict). How we source and compute this.

Source: National Center for Education Statistics Common Core of Data + CRDC + F-33 · 2024-25

How Oak Grove Elementary compares

Oak Grove Elementary on the metrics families compare, against Oregon and U.S. means.

Metric This school vs Oregon Oregon avg U.S. avg
Students per teacher 15.4:1 ▼ 13% 17.6:1 15.7:1
Free-lunch eligible 76.0% ▲ 44% 52.8% 51.7%
Enrollment 262 top 66% - -

Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25

15.4:1
Leaner classes than 43% of US schools, a middle-of-the-pack class size.
262
Bigger than 27% of US schools by enrollment, mid-sized for the country.

Equity indicators (what these measure)

Economic need
76.0%
free-lunch eligible - 44% above the Oregon average of 52.8%
Well above the 40% Title I schoolwide threshold, among the highest-need profiles in the state; federal funds support the whole school, not individual students.
Staffing depth
15.4:1
students per teacher - 13% below state mean
Top 31% in Oregon - lower ratio than 69% of state schools
Close to the 15:1 benchmark most often cited for individualized attention.
Engagement
47.3%
chronically absent (missed 10%+ of school days)
At or above 20%, the commonly used threshold for "high" chronic absenteeism, signaling significant barriers to regular attendance.
Funding equity
$14,929
per pupil, district-wide - below Oregon avg of $18,086
Somewhat below the U.S. average per-pupil spend; funding constraints may affect programs, facilities, and staffing.
Support staff
Counselors0.0 FTE
Student-support staffing from the Civil Rights Data Collection.
Discipline context
7
in-school suspensions + 9 out-of-school
Suspension rate: 2.7 per 100 students. Combined in-school and out-of-school rate: 6.1 per 100 students. Reported via the Civil Rights Data Collection.

Overview

  • Common Core of Data (June 2026): enrollment, staffing, and the student-teacher ratio above.
  • Civil Rights Data Collection: discipline counts and program access (AP, gifted, special education).
  • F-33 School District Finance Survey: the district-wide per-pupil spending figures below.

Three separate federal collections, each on its own reporting cadence - which is why this school's numbers line up on a consistent basis against every other school and state on this site, rather than mixing figures pulled from different survey years.

Student demographics

White 59.8%
Hispanic or Latino 23.0%
Two or More 13.0%
African American 3.1%
Asian 0.8%
American Indian / Alaska Native 0.4%

Largest group: White at 59.8% of enrollment.

Student-body diversity index 57.2/100

Simpson diversity index - at 57.2, Oak Grove Elementary is more mixed than the Oregon school average of 47.1.

Programs

Funding & spending

District-wide per-pupil expenditure for North Clackamas Sd 12, which includes Oak Grove Elementary.

$14,929
Per student
-17%
vs Oregon
Avg $18,086
-10%
vs U.S.
Avg $16,593
Revenue mix
Local 46.9%
State 45.8%
Federal 7.4%

Source: NCES F-33 School District Finance Survey District-level finance · FY 2021-22 Per-pupil expenditure reflects the district-wide average. Individual school budgets are not reported at the federal level.

How Oak Grove Elementary Compares to District-Mates

School Enrollment Economic Profile Student-Teacher Ratio
Adrienne C. Nelson High School Larger Lower economic need Higher S:T ratio
Clackamas High School Larger Lower economic need Higher S:T ratio
Happy Valley Middle School Larger Lower economic need Higher S:T ratio
Putnam High School Larger Lower economic need Higher S:T ratio
Rock Creek Middle School Larger Lower economic need Higher S:T ratio

Comparisons are relative to Oak Grove Elementary's own figures; each column derives from NCES Common Core of Data.

Other Schools in This District

North Clackamas Sd 12 · 5 sibling schools

View district profile

Similar elementary schools in Milwaukie

6 comparable elementary schools (grades K-5) serving the same city.

Similar elementary schools statewide

Matched by enrollment size and by staffing ratio across all of Oregon, not just this city - a different peer set than the local comparisons above.

Next steps

Verify locally before acting on Oak Grove Elementary's federal record.

Federal record (CCD 2024-25, CRDC 2021-22) - PlainSchools assigns no subjective rating; the composite quality score is a transparent, reproducible index computed from this cited federal data.

Frequently asked questions about Oak Grove Elementary

How many students attend Oak Grove Elementary?

Oak Grove Elementary has 262 students enrolled. It is an elementary school in Milwaukie, OR.

What is the student-teacher ratio at Oak Grove Elementary?

The student-teacher ratio at Oak Grove Elementary is 15.4:1, which is 13% lower than the Oregon average of 17.6:1 and 2% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.

What percentage of students receive free lunch at Oak Grove Elementary?

76.0% of students at Oak Grove Elementary are eligible for free lunch, compared to the Oregon average of 52.8%.

What is the racial and ethnic makeup of Oak Grove Elementary?

The largest demographic group at Oak Grove Elementary is White at 59.8% of enrollment, in Milwaukie, OR. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 57.2/100.

What is the Resource Investment Index for Oak Grove Elementary?

Oak Grove Elementary has a Resource Investment Index of 23/100 (lower reported resources relative to schools nationally) based on 3 factors: student-teacher ratio, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).

How does Oak Grove Elementary rank among elementary schools in Milwaukie?

By Resource Investment Index, Oak Grove Elementary ranks #11 of 11 elementary schools in Milwaukie, OR. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all elementary schools in Milwaukie on the city page.

Is Oak Grove Elementary a good school?

Oak Grove Elementary earns 23/100 on the Resource Investment Index, with class sizes near the Oregon median. This is a resource snapshot, not an academic rating; see the Resource Investment Index question above for what the number does and doesn't measure.

What other schools are in North Clackamas Sd 12?

Besides Oak Grove Elementary, North Clackamas Sd 12 also operates Adrienne C. Nelson High School (1,536 students), Clackamas High School (1,280 students), and Happy Valley Middle School (1,158 students). See the North Clackamas Sd 12 district page for the complete list.

Source: National Center for Education Statistics (NCES) CCD + Public School Universe (2024-25), CRDC (2021-22), F-33 District Finance Survey (FY 2021-22) · 2024-25 Data as of the 2024-25 school year. Coverage from U.S. Department of Education NCES Common Core of Data. Varies by entity type; administrative districts and certain charter networks may report only a subset of fields.

All federal data sources used on this page

Full source list and how we compute each figure: methodology page.

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Every figure on PlainSchools is rendered directly from the source NCES, CRDC and F-33 federal records, no number is typed in by an editor. Each school's figures reflect its most recent NCES/CRDC submission on file. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of June 2026.