Enrollment
382
Oregon · 2024-25 NCES data
Elementary school (grades K-5) · Lake Oswego, OR
Federal NCES profile for River Grove Elementary School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 41/100.
The verdict
River Grove Elementary School earns 41/100 on the Resource Investment Index, with class sizes near the Oregon median.
River Grove Elementary School has class sizes near the Oregon median. Computed live against every Oregon school reporting to NCES.
By Resource Investment Index, River Grove Elementary School ranks #7 of 7 elementary schools in Lake Oswego, OR.
NCES ID 410723000064 Verify on NCES CCD record →
Enrollment
382
Oregon · 2024-25 NCES data
Teachers (FTE)
21.0
Federal CCD staff survey
Students per teacher
18.2:1
vs 17.6:1 Oregon avg
+3% vs state
Free-lunch eligible
8.0%
vs 52.8% Oregon avg
-85% vs state
How River Grove Elementary School compares with Oregon and U.S. medians
Slightly above state median
18.2:1 - 0.6 above the Oregon state median of 17.6:1, indicating larger average class loads than typical schools in the state.
River Grove Elementary School is a lower-poverty, mid-sized elementary school in Lake Oswego, Oregon, enrolling 382 students.
Class loads run somewhat heavier than typical: 18.2:1 puts it in the larger third of Oregon schools by student-teacher ratio.
Comparatively few students face economic hardship here, 8.0% free-meal eligibility runs 85% below the Oregon average.
With 382 students, its enrollment sits close to the Oregon median campus size.
Its Resource Investment Index lands in the upper third of 1,273 scored Oregon schools.
Against 86 statewide peers matched on enrollment and economic need, it ranks mid-pack at #53.
Its student body is led by White (63%) and Two or More (13%) (diversity index 56/100).
Counselor availability sits well past the ASCA benchmark, roughly 382 students sharing each counselor, though short of the most stretched campuses.
Attendance runs somewhat below the norm, with 23.0% of students chronically absent per the 2021-22 civil-rights collection.
Among Lake Oswego's elementary schools, it stands alongside Lake Grove Elementary School (425 students): River Grove Elementary School is smaller than that campus by headcount and runs heavier classes (18.2:1 vs 14.7:1).
Lake Oswego Sd 7j also operates Lake Oswego Senior High School (1,282 students) and Lakeridge High School (1,241 students) alongside River Grove Elementary School.
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
River Grove Elementary School on the metrics families compare, against Oregon and U.S. means.
| Metric | This school | vs Oregon | Oregon avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 18.2:1 | ▲ 3% | 17.6:1 | 15.7:1 |
| Free-lunch eligible | 8.0% | ▼ 85% | 52.8% | 51.7% |
| Enrollment | 382 | top 42% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
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.
Largest group: White at 62.8% of enrollment.
Simpson diversity index - at 56.3, River Grove Elementary School is more mixed than the Oregon school average of 47.1.
District-wide per-pupil expenditure for Lake Oswego Sd 7j, which includes River Grove Elementary School.
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.
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Lake Oswego Senior High School | Larger | Similar economic need | Higher S:T ratio |
| Lakeridge High School | Larger | Similar economic need | Higher S:T ratio |
| Lakeridge Middle School | Larger | Similar economic need | Higher S:T ratio |
| Lake Oswego Middle School | Larger | Similar economic need | Similar S:T ratio |
| Lake Grove Elementary School | Similar size | Similar economic need | Lower S:T ratio |
Comparisons are relative to River Grove Elementary School's own figures; each column derives from NCES Common Core of Data.
6 comparable elementary schools (grades K-5) serving the same city.
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 River Grove Elementary School'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.
River Grove Elementary School has 382 students enrolled. It is an elementary school in Lake Oswego, OR.
The student-teacher ratio at River Grove Elementary School is 18.2:1, which is 3% higher than the Oregon average of 17.6:1 and 16% higher than the national average of 15.7:1.
8.0% of students at River Grove Elementary School are eligible for free lunch, compared to the Oregon average of 52.8%.
The largest demographic group at River Grove Elementary School is White at 62.8% of enrollment, in Lake Oswego, OR. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 56.3/100.
River Grove Elementary School has a Resource Investment Index of 41/100 (typical reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
By Resource Investment Index, River Grove Elementary School ranks #7 of 7 elementary schools in Lake Oswego, 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 Lake Oswego on the city page.
River Grove Elementary School earns 41/100 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.
Besides River Grove Elementary School, Lake Oswego Sd 7j also operates Lake Oswego Senior High School (1,282 students), Lakeridge High School (1,241 students), and Lakeridge Middle School (888 students). See the Lake Oswego Sd 7j district page for the complete list.
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.
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PlainSchools, “River Grove Elementary School, Lake Oswego OR.” Compiled from NCES Common Core of Data, Civil Rights Data Collection, and the NCES F-33 finance survey; data as of June 2026. https://plainschools.com/schools/river-grove-elementary-school-or
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