Enrollment
569
California · 2024-25 NCES data
Middle school (grades 6-8) · Oxnard, CA
Rio Del Valle Middle
Federal NCES profile for Rio Del Valle Middle, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 35/100.
2024-25 NCES dataMiddle school (grades 6-8)NCES 063276005089
👥 S:T ratio 31
🌟 Gifted program 70
🎓 Counselors 19
📋 Attendance 20
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Rio Del Valle Middle earns 35/100 on the Resource Investment Index, with class sizes smaller than 83% of California schools. It is also less racially and ethnically mixed than most California schools.
- #4 of 8
- middle schools in Oxnard · Resource Index
- 35
- Resource Index · Typical
- 17.2:1
- small classes for California
- 61.6%
- free-lunch eligible
Rio Del Valle Middle has class sizes smaller than 83% of California schools. Computed live against every California school reporting to NCES.
By Resource Investment Index, Rio Del Valle Middle ranks #4 of 8 middle schools in Oxnard, CA.
School address
District: Rio Elementary · California
NCES ID 063276005089 Verify on NCES CCD record →
Teachers (FTE)
33.0
Federal CCD staff survey
Students per teacher
17.2:1
vs 21.5:1 California avg
-20% vs state
Free-lunch eligible
61.6%
vs 55.5% California avg
+11% vs state
Student-teacher ratio in context
How Rio Del Valle Middle compares with California and U.S. medians
What stands out at Rio Del Valle Middle
Rio Del Valle Middle is a higher-need, mid-sized middle school in Oxnard, California, enrolling 569 students.
Class sizes run a bit leaner than typical: 17.2:1 puts it in the smaller third of California schools by student-teacher ratio.
Its free-meal eligibility rate of 61.6% lands close to the California typical range, neither a high- nor low-need campus by this measure.
With 569 students, its enrollment sits close to the California median campus size.
Its Resource Investment Index sits near the middle of the pack among 9,998 scored California schools.
Against 1,917 statewide peers matched on enrollment and economic need, it ranks in the upper tier at #305.
Its student body is predominantly Hispanic or Latino (91% of enrollment), among the less diverse in the state (diversity index 17/100).
Counselor access is stretched at roughly 406 students per counselor, well above the ASCA-recommended 250:1 ceiling.
Chronic absenteeism is elevated: 32.0% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
The federal civil-rights collection also records 11 expulsions at this campus for 2021-22.
Among Oxnard's middle schools, it stands alongside Charles Blackstock Junior High (1,239 students): Rio Del Valle Middle is smaller than that campus by headcount and runs leaner classes (17.2:1 vs 22.1:1).
Rio Elementary also operates Rio Del Sol (839 students) and Rio Real Elementary (794 students) alongside Rio Del Valle Middle.
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 Rio Del Valle Middle compares
Rio Del Valle Middle on the metrics families compare, against California and U.S. means.
| Metric | This school | vs California | California avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 17.2:1 | ▼ 20% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 61.6% | ▲ 11% | 55.5% | 51.7% |
| Enrollment | 569 | top 36% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
17.2:1
Leaner classes than 29% of US schools, heavier class loads than most.
569
Bigger than 70% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Economic need
61.6%
free-lunch eligible
- 11% 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
17.2:1
students per teacher
- 20% below state mean
Top 17% in California - lower ratio than 83% of state schools
Between 16:1 and 20:1, squarely in the typical U.S. public-school staffing range.
Engagement
32.0%
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
$15,938
per pupil, district-wide
- below California avg of $16,509
Close to the U.S. public-school average per-pupil spend.
Support staff
Counselors1.4 FTE
Per 406 students, the combined health-and-guidance staffing load for this school.
Discipline context
2
in-school suspensions + 42 out-of-school
Suspension rate: 0.4 per 100 students. Combined in-school and out-of-school rate: 7.7 per 100 students. Reported via the Civil Rights Data Collection. Includes 11 expulsions.
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
Hispanic or Latino 91.2%
Asian 4.4%
White 2.5%
Two or More 1.1%
African American 0.7%
American Indian / Alaska Native 0.2%
Largest group: Hispanic or Latino at 91.2% of enrollment.
Student-body diversity index 16.6/100
Simpson diversity index - at 16.6, Rio Del Valle Middle is less mixed than the California school average of 46.0.
Programs
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for Rio Elementary, which includes Rio Del Valle Middle.
$15,938
Per student
-3%
vs California
Avg $16,509
-4%
vs U.S.
Avg $16,593
Revenue mix
Local 32.2%
State 57.4%
Federal 10.3%
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 Rio Del Valle Middle 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 | Similar economic need | Higher S:T ratio |
| Rio Vista Middle | Similar size | Similar economic need | Higher S:T ratio |
| Rio Rosales | Similar size | Similar economic need | Higher S:T ratio |
| Rio Del Mar | Similar size | Lower economic need | Higher S:T ratio |
Comparisons are relative to Rio Del Valle Middle's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 839
- Students per teacher
- 25.4:1
- Resource Index
- 30/100
- 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
- 557
- Students per teacher
- 24.2:1
- Resource Index
- 11/100
- Enrollment
- 499
- Students per teacher
- 31.2:1
- Resource Index
- 30/100
Similar middle schools in Oxnard
6 comparable middle schools (grades 6-8) serving the same city.
Charles Blackstock Junior High
Standard public school
1,239 students 22.1:1 students per teacher
R.J. Frank Academy of Marine Science & Engineering
Standard public school
1,027 students 18.3:1 students per teacher
E. O. Green Junior High
Standard public school
949 students 17.9:1 students per teacher
Ocean View Junior High
Standard public school
700 students 18.9:1 students per teacher
Dr. Manuel M. Lopez Academy of Arts & Sciences
Standard public school
696 students 18.3:1 students per teacher
Rio Vista Middle
Standard public school
637 students 19.9:1 students per teacher
Similar middle schools statewide
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.
Similar enrollment (~569 students)
Similar student-teacher ratio (~17.2:1)
Next steps
Verify locally before acting on Rio Del Valle Middle's federal record.
- Compare Rio Del Valle Middle against another school. Compare schools
- Rio Elementary'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 Rio Del Valle Middle
How many students attend Rio Del Valle Middle?
Rio Del Valle Middle has 569 students enrolled. It is a middle school in Oxnard, CA.
What is the student-teacher ratio at Rio Del Valle Middle?
The student-teacher ratio at Rio Del Valle Middle is 17.2:1, which is 20% lower than the California average of 21.5:1 and 10% higher 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 Rio Del Valle Middle?
61.6% of students at Rio Del Valle Middle are eligible for free lunch, compared to the California average of 55.5%.
What is the racial and ethnic makeup of Rio Del Valle Middle?
The largest demographic group at Rio Del Valle Middle is Hispanic or Latino at 91.2% of enrollment, in Oxnard, CA.
What is the Resource Investment Index for Rio Del Valle Middle?
Rio Del Valle Middle has a Resource Investment Index of 35/100 (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).
How does Rio Del Valle Middle rank among middle schools in Oxnard?
By Resource Investment Index, Rio Del Valle Middle ranks #4 of 8 middle 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 middle schools in Oxnard on the city page.
Is Rio Del Valle Middle a good school?
Rio Del Valle Middle earns 35/100 on the Resource Investment Index, with class sizes smaller than 83% of California schools. It is also less racially and ethnically mixed than most 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.
What other schools are in Rio Elementary?
Besides Rio Del Valle Middle, 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.
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.