Enrollment
495
California · 2024-25 NCES data
Elementary school (grades K-5) · Oxnard, CA
Federal NCES profile for Rio Del Norte, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 24/100.
The verdict
Rio Del Norte earns 24/100 on the Resource Investment Index, with class sizes larger than 78% of California schools.
Rio Del Norte has class sizes larger than 78% of California schools. Computed live against every California school reporting to NCES.
By Resource Investment Index, Rio Del Norte ranks #23 of 32 elementary schools in Oxnard, CA.
NCES ID 063276010453 Verify on NCES CCD record →
Enrollment
495
California · 2024-25 NCES data
Teachers (FTE)
20.0
Federal CCD staff survey
Students per teacher
24.8:1
vs 21.5:1 California avg
+15% vs state
Free-lunch eligible
53.6%
vs 55.5% California avg
-3% vs state
How Rio Del Norte compares with California and U.S. medians
Larger classes than state median
24.8:1 - 3.3 above the California state median of 21.5:1, indicating larger average class loads than typical schools in the state.
Rio Del Norte is a higher-need, mid-sized elementary school in Oxnard, California, enrolling 495 students.
Class loads run somewhat heavier than typical: 24.8:1 puts it in the larger third of California schools by student-teacher ratio.
Its free-meal eligibility rate of 53.6% lands close to the California typical range, neither a high- nor low-need campus by this measure.
With 495 students, its enrollment sits close to the California median campus size.
Its Resource Investment Index lands in the lower third of 9,998 scored California schools.
Against 1,594 statewide peers matched on enrollment and economic need, it ranks mid-pack at #887.
Its student body is predominantly Hispanic or Latino (87% of enrollment) (diversity index 24/100).
Counselor access is stretched at roughly 495 students per counselor, well above the ASCA-recommended 250:1 ceiling.
Chronic absenteeism is elevated: 30.7% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
Among Oxnard's elementary schools, it stands alongside Juan Lagunas Soria Elementary (895 students): Rio Del Norte is smaller than that campus by headcount and runs heavier classes (24.8:1 vs 22.9:1).
Rio Elementary also operates Rio Del Sol (839 students) and Rio Real Elementary (794 students) alongside Rio Del Norte.
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
Rio Del Norte on the metrics families compare, against California and U.S. means.
| Metric | This school | vs California | California avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 24.8:1 | ▲ 15% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 53.6% | ▼ 3% | 55.5% | 51.7% |
| Enrollment | 495 | top 46% | - | - |
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: Hispanic or Latino at 87.1% of enrollment.
Simpson diversity index - at 23.7, Rio Del Norte is less mixed than the California school average of 46.0.
District-wide per-pupil expenditure for Rio Elementary, which includes Rio Del Norte.
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 |
|---|---|---|---|
| Rio Del Sol | Larger | Lower economic need | Similar S:T ratio |
| Rio Real Elementary | Larger | Similar economic need | Similar S:T ratio |
| Rio Vista Middle | Larger | Similar economic need | Lower S:T ratio |
| Rio Del Valle Middle | Similar size | Similar economic need | Lower S:T ratio |
| Rio Rosales | Similar size | Similar economic need | Similar S:T ratio |
Comparisons are relative to Rio Del Norte'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 California, not just this city - a different peer set than the local comparisons above.
Next steps
Verify locally before acting on Rio Del Norte'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.
Rio Del Norte has 495 students enrolled. It is an elementary school in Oxnard, CA.
The student-teacher ratio at Rio Del Norte is 24.8:1, which is 15% higher than the California average of 21.5:1 and 58% higher than the national average of 15.7:1.
53.6% of students at Rio Del Norte are eligible for free lunch, compared to the California average of 55.5%.
The largest demographic group at Rio Del Norte is Hispanic or Latino at 87.1% of enrollment, in Oxnard, CA.
Rio Del Norte has a Resource Investment Index of 24/100 (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).
By Resource Investment Index, Rio Del Norte ranks #23 of 32 elementary schools in Oxnard, CA. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all elementary schools in Oxnard on the city page.
Rio Del Norte earns 24/100 on the Resource Investment Index, with class sizes larger than 78% of California 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.
Besides Rio Del Norte, Rio Elementary also operates Rio Del Sol (839 students), Rio Real Elementary (794 students), and Rio Vista Middle (637 students). See the Rio Elementary 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, “Rio Del Norte, Oxnard CA.” 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/rio-del-norte-ca
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