Serving 499 students in grades Kindergarten-5, Rio Del Mar ranks in the top 50% of all schools in California for overall test scores (math proficiency is top 50%, and reading proficiency is top 50%).
The percentage of students achieving proficiency in math is 35-39% (which is higher than the California state average of 34%). The percentage of students achieving proficiency in reading/language arts is 40-44% (which is lower than the California state average of 47%).
The student-teacher ratio of 26:1 is higher than the California state level of 21:1.
Minority enrollment is 94% of the student body (majority Hispanic), which is higher than the California state average of 80% (majority Hispanic).
Quick Facts (2026)
- Grades: Kindergarten-5
- Enrollment: 499 students
- Student-Teacher Ratio: 26:1
- Minority Enrollment: 94%
- Overall Testing Rank: Top 50% in CA
- Math Proficiency: 35-39% (Top 50%)
- Reading Proficiency: 40-44% (Top 50%)
- Science Proficiency: 30-34% (Top 50%)
- Source: National Center for Education Statistics (NCES), CA Dept. of Education
Top Rankings
Rio Del Mar ranks among the top 20% of public schools in California for:
Category
Attribute
Most improved public schools
School Overview
Rio Del Mar's student population of 499 students has grown by 25% over five school years.
The teacher population of 19 teachers has grown by 18% over five school years.
Grades Offered
Grades Kindergarten-5
Total Students
499 students
Total Classroom Teachers
19 teachers
Colors
Blue and Gold
School Calendar
School Rankings
Rio Del Mar ranks within the top 50% of all 9,523 schools in California (based off of combined math and reading proficiency testing data).
The diversity score of Rio Del Mar is 0.29, which is less than the diversity score at state average of 0.63. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#3932 out of 9523 schools
(Top 50%)
(Top 50%)
Math Test Scores (% Proficient)
35-39%
34%
Reading/Language Arts Test Scores (% Proficient)
40-44%
47%
Science Test Scores (% Proficient)
30-34%
29%
Student-Teacher Ratio
26:1
21:1
Asian
4%
12%
Hispanic
84%
56%
Black
2%
5%
White
6%
20%
Hawaiian
1%
n/a
Two or more races
3%
6%
All Ethnic Groups
Eligible for Free Lunch
67%
54%
Eligible for Reduced Lunch
9%
8%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), CA Dept. of Education
Frequently Asked Questions
What is Rio Del Mar's ranking?
Rio Del Mar is ranked #3932 out of 9,523 schools, which ranks it among the top 50% of public schools in California.
What schools are Rio Del Mar often compared to?
Rio Del Maris often viewed alongside schools like Rio Real Elementary School, Hollywood Beach Elementary School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
35-39% of students have achieved math proficiency (compared to the 34% CA state average), while 40-44% of students have achieved reading proficiency (compared to the 47% CA state average).
How many students attend Rio Del Mar?
499 students attend Rio Del Mar.
What is the racial composition of the student body?
84% of Rio Del Mar students are Hispanic, 6% of students are White, 4% of students are Asian, 3% of students are Two or more races, 2% of students are Black, and 1% of students are Hawaiian.
What is the student-teacher ratio of Rio Del Mar?
Rio Del Mar has a student ration of 26:1, which is higher than the California state average of 21:1.
What grades does Rio Del Mar offer ?
Rio Del Mar offers enrollment in grades Kindergarten-5
What school district is Rio Del Mar part of?
Rio Del Mar is part of Rio Elementary School District.
In what neighborhood is Rio Del Mar located?
Rio Del Mar is located in the Riverpark neighborhood of Oxnard, CA. There are 2 other public schools located in Riverpark.
School Reviews
5 10/10/2025
Love the teachers and principle. Great school
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