Enrollment
421
Oregon · 2024-25 NCES data
Elementary school (grades K-5) · Sunriver, OR
Three Rivers Elementary School
Federal NCES profile for Three Rivers Elementary School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 27/100.
2024-25 NCES dataElementary school (grades K-5)NCES 410198001350
👥 S:T ratio 24
🌟 Gifted program 70
🎓 Counselors 16
📋 Attendance 0
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Three Rivers Elementary School earns 27/100 on the Resource Investment Index, with class sizes larger than 70% of Oregon schools.
- 27
- Resource Index · Lower
- 19.1:1
- large classes for Oregon
- 65.3%
- free-lunch eligible
- 421
- students enrolled
Three Rivers Elementary School has class sizes larger than 70% of Oregon schools. Computed live against every Oregon school reporting to NCES.
School address
District: Bend-Lapine Administrative Sd 1 · Oregon
NCES ID 410198001350 Verify on NCES CCD record →
Teachers (FTE)
22.0
Federal CCD staff survey
Students per teacher
19.1:1
vs 17.6:1 Oregon avg
+9% vs state
Free-lunch eligible
65.3%
vs 52.8% Oregon avg
+24% vs state
Student-teacher ratio in context
How Three Rivers Elementary School compares with Oregon and U.S. medians
What stands out at Three Rivers Elementary School
Three Rivers Elementary School is a higher-need, mid-sized elementary school in Sunriver, Oregon, enrolling 421 students.
Class loads run somewhat heavier than typical: 19.1:1 puts it in the larger third of Oregon schools by student-teacher ratio.
Its free-meal eligibility rate of 65.3% lands close to the Oregon typical range, neither a high- nor low-need campus by this measure.
Enrollment of 421 puts it in the larger third of Oregon schools by headcount.
Its Resource Investment Index lands in the lower third of 1,273 scored Oregon schools.
Among 321 similarly sized, similarly resourced-need Oregon schools statewide, it ranks #245, in the lower tier once campus size and economic need are matched.
Its student body is predominantly White (84% of enrollment) (diversity index 28/100).
Counselor access is stretched at roughly 421 students per counselor, well above the ASCA-recommended 250:1 ceiling.
Chronic absenteeism is elevated: 47.5% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
The surrounding Bend-Lapine Administrative Sd 1 spends $13,289 per pupil, 27% below the Oregon average, a leaner-resourced district than most.
Bend-Lapine Administrative Sd 1 also operates Caldera High School (1,354 students) and Summit High School (1,282 students) alongside Three Rivers 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
How Three Rivers Elementary School compares
Three Rivers 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 | 19.1:1 | ▲ 9% | 17.6:1 | 15.7:1 |
| Free-lunch eligible | 65.3% | ▲ 24% | 52.8% | 51.7% |
| Enrollment | 421 | top 34% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
19.1:1
Leaner classes than 19% of US schools, heavier class loads than most.
421
Bigger than 51% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Economic need
65.3%
free-lunch eligible
- 24% above the Oregon average of 52.8%
Above the 40% Title I schoolwide threshold; federal funds support the whole school, not individual students.
Staffing depth
19.1:1
students per teacher
- 9% above state mean
Top 70% in Oregon - lower ratio than 30% of state schools
Between 16:1 and 20:1, squarely in the typical U.S. public-school staffing range.
Engagement
47.5%
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
$13,289
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
Counselors1.0 FTE
Per 421 students, the combined health-and-guidance staffing load for this school.
Discipline context
4
in-school suspensions + 18 out-of-school
Suspension rate: 1.0 per 100 students. Combined in-school and out-of-school rate: 5.2 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 84.0%
Hispanic or Latino 8.3%
Two or More 6.2%
American Indian / Alaska Native 1.0%
African American 0.2%
Native Hawaiian / Pacific Islander 0.2%
Largest group: White at 84.0% of enrollment.
Student-body diversity index 28.4/100
Simpson diversity index - at 28.4, Three Rivers Elementary School is less mixed than the Oregon school average of 47.1.
Programs
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for Bend-Lapine Administrative Sd 1, which includes Three Rivers Elementary School.
$13,289
Per student
-27%
vs Oregon
Avg $18,086
-20%
vs U.S.
Avg $16,593
Revenue mix
Local 50.0%
State 42.2%
Federal 7.8%
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 Three Rivers Elementary School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Caldera High School | Larger | Lower economic need | Higher S:T ratio |
| Summit High School | Larger | Lower economic need | Higher S:T ratio |
| Bend Senior High School | Larger | Lower economic need | Similar S:T ratio |
| Mountain View Senior High School | Larger | Lower economic need | Similar S:T ratio |
| Cascade Middle School | Larger | Lower economic need | Higher S:T ratio |
Comparisons are relative to Three Rivers Elementary School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 1,354
- Students per teacher
- 32.2:1
- Resource Index
- 25/100
- Enrollment
- 1,282
- Students per teacher
- 22.1:1
- Resource Index
- 29/100
- Enrollment
- 1,204
- Students per teacher
- 20.4:1
- Resource Index
- 32/100
- Enrollment
- 1,161
- Students per teacher
- 20:1
- Resource Index
- 35/100
- Enrollment
- 687
- Students per teacher
- 27.5:1
- Resource Index
- 33/100
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.
Similar enrollment (~421 students)
Next steps
Verify locally before acting on Three Rivers Elementary School's federal record.
- Compare Three Rivers Elementary School against another school. Compare schools
- Bend-Lapine Administrative Sd 1's spending and staffing shape this school. District profile
- Confirm current enrollment and boundaries with the school. Choosing guide
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 Three Rivers Elementary School
How many students attend Three Rivers Elementary School?
Three Rivers Elementary School has 421 students enrolled. It is an elementary school in Sunriver, OR.
What is the student-teacher ratio at Three Rivers Elementary School?
The student-teacher ratio at Three Rivers Elementary School is 19.1:1, which is 9% higher than the Oregon average of 17.6:1 and 22% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Three Rivers Elementary School?
65.3% of students at Three Rivers Elementary School are eligible for free lunch, compared to the Oregon average of 52.8%.
What is the racial and ethnic makeup of Three Rivers Elementary School?
The largest demographic group at Three Rivers Elementary School is White at 84.0% of enrollment, in Sunriver, OR.
What is the Resource Investment Index for Three Rivers Elementary School?
Three Rivers Elementary School has a Resource Investment Index of 27/100 (lower 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).
Is Three Rivers Elementary School a good school?
Three Rivers Elementary School earns 27/100 on the Resource Investment Index, with class sizes larger than 70% of Oregon schools. 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 Bend-Lapine Administrative Sd 1?
Besides Three Rivers Elementary School, Bend-Lapine Administrative Sd 1 also operates Caldera High School (1,354 students), Summit High School (1,282 students), and Bend Senior High School (1,204 students). See the Bend-Lapine Administrative Sd 1 district page for the complete list.
Related tools
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.