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Email BoardRio del Norte
2500 Lobelia Drive, Oxnard, CA 93036-1594
Summary
Rio del Norte is badly underperforming.
Reading and math results average to the 19th percentile among comparable California schools.
Only 31.4% of students met California's reading standard, but it is trending up.
Math is weaker: 19.2% of students met California's math standard, and it is quickly trending down.
Proficiency stats
| Current Reading Proficiency | 31.4% |
| Current Math Proficiency | 19.2% |
| Reading State Rank | 3,484/4,657 (25th percentile) |
| Math State Rank | 4,025/4,657 (14th percentile) |
School information
| Student / Teacher Ratio | 22:1 |
| Student enrollment (2024–25) | 495 |
| Low-Income Students | 402 (81.2%) |
| English Learners | 132 (26.7%) |
School Website
Great Schools
Niche
Ed-Data
CAASPP| Admissions | Open enrollment |
|---|---|
| Charter school | No |
| Magnet school | No |
Test score trends
Reading rose 1.9 points from last year and rose 5.5 points over the full period. Math fell 3.3 points from last year and fell 10.1 points over the full period.
•Math -10.1 percentage points (2024–2026)Reading Proficiency Scores
2026 state test results
Race and Ethnicity
Only one group has a reportable reading result.
Distribution of Scores by Grade
The share meeting the reading standard ranges from 27.2% to 35.1% across the grades shown. Overall, the school’s reading results rank No. 3,484 of 4,657 among California schools in the same grade-level category.
Low-Income vs Non-Low-Income
The 27.6-point reading income gap is wider than the 19.8-point gap at a typical California K–5 school. It widened over the period shown.
•English Learners vs English Native
16.7% of English learners meet the reading standard, compared with 32.0% of English-only students. The gap narrowed as English-learner results rose and English-only results rose.
•Math Proficiency Scores
2026 state test results
Race and Ethnicity
Only one group has a reportable math result.
Distribution of Scores by Grade
The share meeting the math standard ranges from 11.3% to 28.4% across the grades shown. Overall, the school’s math results rank No. 4,025 of 4,657 among California schools in the same grade-level category.
Low-Income vs Non-Low-Income
The 14.4-point math income gap is narrower than the 20.0-point gap at a typical California K–5 school. It widened over the period shown.
•English Learners vs English Native
5.0% of English learners meet the math standard, compared with 22.2% of English-only students. The gap narrowed as English-learner results fell and English-only results fell.
•Progress as students move up
2023–2026
How we compare income gaps
“Typical” means the median gap across 1,832 schools for reading and 1,839 for math. The comparison uses 2026 California K–5 schools with at least 20 tested students in each income group and a reported low-income student population. Each school counts once. Its gap is non-low-income proficiency minus low-income proficiency, including negative gaps. California state test data
Understanding this school
How does Rio del Norte compare within the district?
Rio del Norte is No. 2 in reading and No. 3 in math proficiency among the 5 K–5 schools in Rio Elementary with 2026 results.
Explore the district’s schoolsHow does Rio del Norte rank in California?
Rio del Norte ranks No. 3,484 of 4,657 in reading and No. 4,025 of 4,657 in math for 2026. These proficiency rankings compare California schools in the same grade-level category.
How do low-income students at Rio del Norte compare within the district?
Low-income students here rank No. 2 in reading and No. 3 in math among 5 K–5 district schools with reportable 2026 results for this group. 28.4% meet the reading standard and 17.6% meet the math standard.
See results by student groupHow does Rio del Norte compare with other schools in Oxnard?
Rio del Norte is No. 10 in reading and No. 15 in math proficiency among the 22 K–5 schools in Oxnard with 2026 results.
Explore schools in OxnardHow does Rio del Norte compare with other schools in Ventura County?
Rio del Norte is No. 66 in reading and No. 80 in math proficiency among the 91 K–5 schools in Ventura County with 2026 results.
Explore schools in Ventura CountyWhich schools should I compare?
Schools serving K–5 in the same district.
| School | Math | Reading |
|---|---|---|
| Rio del NorteThis school | 19.2% | 31.4% |
| Rio Del Mar | 33.1% | 35.2% |
| Rio Lindo Elementary | 25.2% | 29.1% |
