Average
#7062 of 9,533 schools in CA
Rio Del Mar
Elementary School · Rio Elementary
3150 Thames River, Oxnard, CA 93036
Enrollment
450
Student-Teacher
26.5:1
Score
5.3
Grades
Kindergarten – 5th
Enrollment
450
Student-Teacher
26.5:1
Score
5.3
Grades
Kindergarten – 5th
Updated
2022-23
Updated 2022-23
How this school compares
In Oxnard
#42 of 48
public schools
California elementary schools
#4,182 of 5,817
In district
#6 of 9
Rio Elementary
About Rio Del Mar
Rio Del Mar is an elementary school located in Oxnard, California, serving kindergarten through fifth grade students. With a total enrollment of 450 students and a student-to-teacher ratio of 26.5:1, the school has 17 full-time equivalent teachers to support its diverse community. Rio Del Mar’s academic performance is currently rated at 4.4 out of 10 by MySchoolScout, placing it in the 34th percentile among California schools.
In terms of test scores, 36% of students are proficient or above in English Language Arts and Reading, while 32% are proficient or above in Math. These numbers indicate areas where the school is focusing on student development and growth. Rio Del Mar is situated in a mid-size city setting within Ventura County, providing a range of community resources for its students and families.
What Parents Should Know
The student-teacher ratio at Rio Del Mar is 26.5:1, which is higher than the national average. This may mean larger class sizes, so parents should ask about classroom support, teaching assistants, and how the school differentiates instruction for students who need extra help.
Score Breakdown
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Rio Del Mar — Students at Rio Del Mar score 35% proficient, which is below what's typical for similar communities (expected: 39%).
Equity & Diversity
Shown separately, not included in overall scoreFree/Reduced Lunch
63.1%
Students qualifying for federal meal assistance
Test Scores CA CAASPP (2023-24)
Based on 12 test records from CA state assessments. About our data
Proficiency Trend
↓ DecliningAverage proficiency (% at or above grade level) across Math & ELA over time.
* COVID-affected year — test participation was uneven nationwide. This data is weighted at 50% in the Growth score calculation.
Source: EdFacts (NCES) and state assessment data. Growth score: 5.6/10.
How Rio Del Mar Compares
See how Rio Del Mar performs across key quality dimensions compared to state benchmarks.
Funding & Resources
Performance Trends
Math proficiency has declined from 42% (2019) to 33.64% (2024). Reading/ELA proficiency has declined from 41% (2019) to 35.68% (2024).
Location
3150 Thames River, Oxnard, CA 93036
Nearby Alternatives
Families considering Rio Del Mar may also want to explore other elementary schools in the area. Norman R. Brekke Elementary (rated 8.8/10, 2.0 miles away), which scores notably higher. Another option is Sierra Linda Elementary (rated 8.2/10, 1.8 miles away), which scores notably higher. Additionally, Rio Real Elementary (rated 6.9/10, 1.0 miles away), which scores notably higher. For more schools in Oxnard, see our Oxnard schools guide .
Nearby Schools
20 within 2.2 mi| School | Distance | Rating |
|---|---|---|
| Rio Vista Middle Oxnard | 0.2 mi | 5.5 |
| Rio Plaza Elementary Oxnard | 0.5 mi | 5.1 |
| Rio del Sol Oxnard | 0.8 mi | 5.2 |
| Providence Oxnard | 0.9 mi | 5.7 |
| Rio Real Elementary Oxnard | 1.0 mi | 6.9 |
| Rio del Valle Middle Oxnard | 1.0 mi | 6.8 |
| Rio Lindo Elementary Oxnard | 1.4 mi | 5.5 |
| Rio Mesa High Oxnard | 1.4 mi | 6.7 |
| LINDA VISTA ADVENTIST ELEMENTARY SCHOOL Oxnard | 1.5 mi | 6.0 |
| Linda Vista Adventist School Oxnard | 1.5 mi | — |
| Junipero Serra Elementary Ventura | 1.7 mi | 3.4 |
| Rio del Norte Oxnard | 1.6 mi | 6.9 |
| Pacifica High Oxnard | 1.8 mi | 4.3 |
| Sierra Linda Elementary Oxnard | 1.8 mi | 8.2 |
| Norman R. Brekke Elementary Oxnard | 2.0 mi | 8.8 |
| PEPPERMINT JUNCTION Oxnard | 2.0 mi | 4.5 |
| Peppermint Junction Oxnard | 2.0 mi | — |
| R.J. Frank Academy of Marine Science & Engineering Oxnard | 2.3 mi | 7.9 |
| Citrus Glen Elementary Ventura | 2.4 mi | 2.9 |
| Condor High Oxnard | 2.2 mi | 7.0 |
Neighborhood Census ACS (2019-2023)
Census data for ZIP 93036 (ACS 2019-2023 5-Year Estimates) · Data sources
Median Income
$100,482
Median Home Value
$648,800
Median Rent
$2,199/mo
Population
47,938
College Educated
23.7%
Homeownership
51.9%
Avg Commute
24.5 min
Poverty Rate
11.6%
Median Age
35.5
Community Profile
The community surrounding Rio Del Mar has a median household income of $100,482. It is a community where 24% of adults hold a bachelor's degree or higher. The median home value in the area is $648,800, with a median rent of $2,199/month. The area has a poverty rate of 11.6%. The average commute for residents is 25 minutes. Source: U.S. Census ACS 2022 5-Year Estimates.
Similar Schools
Schools in the same state with comparable level, size, and ratings
| School | Rating |
|---|---|
| Albany Park Elementary Delano, CA | 5.3 |
| Alice Birney Elementary Eureka, CA | 5.3 |
| Avondale Elementary La Mesa, CA | 5.3 |
| Belvedere Elementary Highland, CA | 5.3 |
| Benjamin Franklin Elementary La Quinta, CA | 5.3 |
| Bernard L. Hughes Elementary Modesto, CA | 5.3 |
Frequently Asked Questions
Common questions about Rio Del Mar
What grades does Rio Del Mar serve?
Rio Del Mar serves students in grades Kindergarten through 5th.
How many students attend Rio Del Mar?
Rio Del Mar has an enrollment of approximately 450 students.
What is the student-teacher ratio at Rio Del Mar?
The student-teacher ratio at Rio Del Mar is 26.5:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.
How does Rio Del Mar rank in CA?
Rio Del Mar is ranked #7062 out of 9,533 schools in CA.
What is Rio Del Mar's MySchoolScout rating?
Rio Del Mar has a composite rating of 5.3 out of 10 on MySchoolScout. This score combines academic performance, student growth, and school environment into a single score. Equity data is shown separately for context.
What are the test scores at Rio Del Mar?
Based on the most recent state assessment data, Rio Del Mar has 32.0% math proficiency and 36.2% reading/ELA proficiency.
Is Rio Del Mar a charter school?
No, Rio Del Mar is not a charter school. It is a traditional public school operated by the local school district.
Is Rio Del Mar a Title I school?
No, Rio Del Mar is not currently a Title I school.
What does the Free & Reduced Lunch percentage mean for Rio Del Mar?
63.1% of students at Rio Del Mar qualify for free or reduced-price lunch. This is a commonly used indicator of economic need and provides important context when interpreting test scores.
Explore More Schools
Neighborhood Context
- City Safety
- High (2,500/100K)
FBI UCR 2024. City-level (Oxnard). Data >1 year old.
Quick Facts NCES CCD (SY 2022-23)
- Grades
- Kindergarten – 5th
- Enrollment
- 450
- Student-Teacher Ratio
- 26.5:1
- Teachers (FTE)
- 17
- Free/Reduced Lunch
- 63.1%
- Type
- regular
- Setting
- Midsize City
- County
- Ventura County
- Phone
- (805) 485-0560
- Data Year
- 2023–2024
Resources & Links
District
Rio Elementary- District Enrollment
- 5,217
- Schools in District
- 9
- Per-Pupil Spending
- $18,362
- District Rank
- #6 of 9
Other Schools in This District
How We Rate Schools
Every school receives a composite score from 1 to 10 based on four pillars: Academic Performance (50%), Student Growth (20%), Equity (15%), and Learning Environment (15%). Scores are built from publicly available data including standardized test results, enrollment figures, and school climate indicators.
Read our full methodologyRelated reading
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