- Enrollment
- 839
- Students per teacher
- 25.4:1
- Resource Index
- 30/100
Elementary school (grades K-5) · Oxnard, CA
Rio Plaza Elementary
Federal NCES profile for Rio Plaza Elementary, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 22/100.
2024-25 NCES dataElementary school (grades K-5)NCES 063276005091
👥 S:T ratio 4
🌟 Gifted program 70
🎓 Counselors 9
📋 Attendance 4
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Rio Plaza Elementary earns 22/100 on the Resource Investment Index, with class sizes larger than 70% of California schools. It is also less racially and ethnically mixed than most California schools.
- #27 of 32
- elementary schools in Oxnard · Resource Index
- 22
- Resource Index · Lower
- 23.9:1
- large classes for California
- 78.0%
- free-lunch eligible
Rio Plaza Elementary has class sizes larger than 70% of California schools. Computed live against every California school reporting to NCES.
By Resource Investment Index, Rio Plaza Elementary ranks #27 of 32 elementary schools in Oxnard, CA.
School address
District: Rio Elementary · California
NCES ID 063276005091 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
-18 students YoY
Rio Plaza Elementary held near 455 students from 2022-23 to 2023-24 (-18 headcount).
Teacher FTE lost 19.1 → 18.0 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Steady CCD campus
-18 students YoY 063276005091 · Oxnard, CA Elementary · SMALL · TRAD
455 enr · 23.9:1 · 78.0% lunch · RII 22
Nearest enrollment peer: Rio Del Sol (839 students)
Rio Plaza Elementary held near 455 students from 2022-23 to 2023-24 (-18 headcount). Teacher FTE lost 19.1 → 18.0 across the same CCD years. Read with this school → · District book → · California schools → · Find another →
Rio Plaza Elementary in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- Rio Del Sol
Rio Del Sol
839 students
- Rio Real Eleme
Rio Real Elementary
794 students
- Rio Vista Midd
Rio Vista Middle
637 students
- Rio Del Valle
Rio Del Valle Middle
569 students
- Rio Rosales
Rio Rosales
557 students
- This school
Rio Plaza Elementary
455 students
What this shows Rio Plaza Elementary reports 455 students on the CCD universe file.
How Rio Plaza Elementary compares
Rio Plaza Elementary held steady on CCD headcount: ratios and free-lunch share vs California and U.S. means.
| Metric | This school | vs California | California avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 23.9:1 | ▲ 11% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 78.0% | ▲ 41% | 55.5% | 51.7% |
| Enrollment | 455 | top 52% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
23.9:1
Leaner classes than 7% of US schools, heavier class loads than most.
455
Bigger than 56% of US schools by enrollment, mid-sized for the country.
Equity indicators methodology
Economic need
78.0%
free-lunch eligible
- 41% above the California average of 55.5%
Above the 40% Title I schoolwide threshold; federal funds support the whole school, not individual students.
Staffing depth
23.9:1
students per teacher
- 11% above state mean
Top 70% in California - lower ratio than 30% of state schools
Above 20:1, running heavier than the typical U.S. public school; staffing is comparatively stretched.
Engagement
38.2%
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
$18,284
per pupil, district-wide
- below California avg of $18,665
Close to the U.S. public-school average per-pupil spend.
Support staff
Counselors1.0 FTE
Per 455 students, the combined health-and-guidance staffing load for this school.
Discipline context
1
in-school suspensions + 3 out-of-school
Suspension rate: 0.2 per 100 students. Combined in-school and out-of-school rate: 0.9 per 100 students. Reported via the Civil Rights Data Collection.
Student demographics
Hispanic or Latino 96.9%
White 2.2%
Asian 0.7%
Native Hawaiian / Pacific Islander 0.2%
Largest group: Hispanic or Latino at 96.9% of enrollment.
Student-body diversity index 6.1/100
Simpson diversity index - at 6.1, Rio Plaza Elementary is less mixed than the California school average of 46.0.
Programs
Gifted & talented Yes
District finance for Rio Elementary reports $18,284 per pupil (NCES F-33) - open the district page for the full revenue mix.
How Rio Plaza Elementary Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Rio Del Sol | Larger | Lower economic need | Higher S:T ratio |
| Rio Real Elementary | Larger | Lower economic need | Similar S:T ratio |
| Rio Vista Middle | Larger | Lower economic need | Lower S:T ratio |
| Rio Del Valle Middle | Larger | Lower economic need | Lower S:T ratio |
| Rio Rosales | Similar size | Lower economic need | Similar S:T ratio |
Comparisons are relative to Rio Plaza Elementary's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 794
- Students per teacher
- 24.8:1
- Resource Index
- 30/100
- Enrollment
- 637
- Students per teacher
- 19.9:1
- Resource Index
- 29/100
- Enrollment
- 569
- Students per teacher
- 17.2:1
- Resource Index
- 35/100
- Enrollment
- 557
- Students per teacher
- 24.2:1
- Resource Index
- 11/100
Similar elementary schools in Oxnard
6 comparable elementary schools (grades K-5) serving the same city.
Juan Lagunas Soria Elementary
Standard public school
895 students 22.9:1 students per teacher
Driffill Elementary
Standard public school
891 students 17.5:1 students per teacher
Kamala Elementary
Standard public school
842 students 20.5:1 students per teacher
Rio Del Sol
Standard public school
839 students 25.4:1 students per teacher
Curren Elementary
Standard public school
817 students 18.2:1 students per teacher
Lemonwood Elementary
Standard public school
808 students 18.4:1 students per teacher
Nationwide elementary schools with similar size or staffing
Out-of-state peers matched by enrollment and by student-teacher ratio, not the same-city or same-district lists above.
Similar enrollment (~455 students)
Frequently asked questions about Rio Plaza Elementary
How many students attend Rio Plaza Elementary?
Rio Plaza Elementary has 455 students enrolled. It is an elementary school in Oxnard, CA. CCD year-over-year: 473 (2022-23) → 455 (2023-24), nearly flat (-18).
What is the student-teacher ratio at Rio Plaza Elementary?
The student-teacher ratio at Rio Plaza Elementary is 23.9:1, which is 11% higher than the California average of 21.5:1 and 52% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Rio Plaza Elementary?
78.0% of students at Rio Plaza Elementary are eligible for free lunch, compared to the California average of 55.5%.
What is the racial and ethnic makeup of Rio Plaza Elementary?
The largest demographic group at Rio Plaza Elementary is Hispanic or Latino at 96.9% of enrollment, in Oxnard, CA.
What is the Resource Investment Index for Rio Plaza Elementary?
Rio Plaza Elementary has a Resource Investment Index of 22/100 (lower reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, gifted-program reporting, counselor availability, chronic absenteeism. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Rio Plaza Elementary rank among elementary schools in Oxnard?
By Resource Investment Index, Rio Plaza Elementary ranks #27 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.
What other schools are in Rio Elementary?
Besides Rio Plaza Elementary, 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.