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SCHOOL COMMUNITY·RIO ELEMENTARY·NCES 063276011833

Rio Del Mar

3150 Thames River, Oxnard, CA 93036 · (805) 485-0560 · Ventura County
GRADES KG–05ELEMENTARY12-CITYTITLE IREGULAR SCHOOL499 STUDENTS
Enrollment
499
Elementary
DISTRICT 578 · STATE 465
Student : Teacher
26.0:1
19 FTE teachers
DISTRICT 24.5:1 · STATE 22.3:1
Free / Reduced Lunch
76%
378 students
DISTRICT 75% · STATE 65%
Community
2
0 members
Enrollment and student:teacher ratio compared against other elementary schools. Free/Reduced Lunch and demographics compared against all schools.
Enrollment by grade
Kindergarten
117
Grade 1
63
Grade 2
78
Grade 3
89
Grade 4
89
Grade 5
63
Student demographics
White
6%
DISTRICT 5% · STATE 20%
Hispanic
84%
DISTRICT 86% · STATE 56%
Black
2%
DISTRICT 2% · STATE 5%
Asian
4%
DISTRICT 5% · STATE 12%
Two+
3%
DISTRICT 2% · STATE 6%
Native American
n/r
Pacific Islander
n/r
n/r: not reliably reported by NCES for this school. Hispanic, Pacific Islander, and Native American enrollment are systematically under-reported in the source data.
Gender split
Male
53%
Female
47%

Discussions

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Test scores

CAASPP 2023-24 . % met or exceeded standard
English Language Arts
35.7%
CA avg 47.1% . +1.7pp since 2014
Math
33.6%
CA avg 35.6% . +8.6pp since 2014
Source: CAASPP. All students, all grades. See all years and grades →

BeatsExpectations

Demographically-adjusted score · methodology
Tier
AS EXPECTED
Performing as predicted given the school's student profile
Actual proficiency
34.4%
composite math + reading, all grades
Predicted
34.4%
based on CA schools with similar FRL share
Beats by
+0.1pp
above demographic expectation
BeatsExpectations runs a per-state regression of proficiency on free/reduced-lunch share, then scores each school by residual. How this is calculated →

7-year change

SY 2017-18 vs SY 2024-25
Enrollment
499
-56 (-10%) vs 2017
Student : Teacher
26.0:1
was 25.2:1
% White
6%
was 9%
% Hispanic
84%
was 76%
% Black
2%
was 2%
% Asian
4%
was 10%
Source: NCES Common Core of Data

About Rio Del Mar

Rio Del Mar is an elementary campus of middle-of-the-pack scale in Oxnard, California, part of Rio Elementary, teacheing 499 students in grades K through 5.

Across the 9 schools in Rio Elementary (5,250 students total), Rio Del Mar accounts for its share of the district's footprint.

On demographics, Rio Del Mar logs that 84% of students identify as Hispanic, making the school strongly Hispanic-majority. The remainder is composed of 6% White, 4% Asian, 3% multiracial, 2% Black. By comparison, Ventura County as a whole is about 44% Hispanic, so the school skews meaningfully more Hispanic than its surroundings.

In terms of school funding signals, Rio Del Mar logs 19 full-time-equivalent teachers, putting the student-to-teacher ratio at about 26.0:1. The state averages around 22.3:1, so this campus is higher than the state norm typical. An estimated 76% of students are eligible for free or reduced-price lunch, which schools and policymakers use as a rough income-mix signal. That share is higher than Ventura County's rate of about 59%.

After controlling for student poverty, Rio Del Mar tracks the demographic baseline. The model predicts 34.4% given the school's FRL share; actual proficiency is 34.4%.

Around the school, Ventura County reports that median household earnings sit near $109,797, about 36% of the adult population holds a bachelor's degree or above, and roughly 7% of residents live below the federal poverty line. In all, Ventura County runs 238 public schools (combined enrollment of about 147,841 students), of which Rio Del Mar is one.

The closest other public school is Rio Vista Middle, roughly 0.2 miles away. Within five miles, there are 8 other public schools. Ranking that nearby cluster on reported proficiency puts Rio Del Mar at 2nd of 8; the average score across the group is 27.4%.

Rio Del Mar operates from a downtown location.

Five-year trend. Rio Del Mar's enrollment has fell 10% since 2018, when it stood at 555 (now 499). Hispanic enrollment moved from 76% to 84% across the same window.

On allk12, the feed for Rio Del Mar typically covers school events, parent volunteer needs, and clubs. Members of the school community can share what they know.

Ventura County at a glance

View full county profile
Population
837,469
Census ACS
Median income
$109,797
Household, ACS
Bachelor's+
36%
Adults 25+
Poverty rate
7%
Below federal line
Schools in county
238
147,841 students

Quick facts

School name
Rio Del Mar
District
Rio Elementary
Address
3150 Thames River, Oxnard, CA 93036
Phone
(805) 485-0560
County
Ventura County
Level
Elementary
Grade range
KG–05
Total enrollment
499
Teachers (FTE)
19
Student–teacher ratio
26.0:1
Free/Reduced lunch
378 (76%)
Locale
12-City: Mid-size
NCES ID
063276011833
Charter school
No
Virtual school
No

Related schools

Other schools in Rio Elementary
Other schools in Oxnard
Nearby schools

Frequently asked questions

About Rio Del Mar
How large is Rio Del Mar?
Rio Del Mar enrolls approximately 499 students in grades KG-05.
Is Rio Del Mar an elementary, middle, or high school?
Rio Del Mar is an elementary school covering grades KG-05.
How many students per teacher at Rio Del Mar?
Approximately 26.0:1 students per teacher at Rio Del Mar.
What is the racial breakdown of students at Rio Del Mar?
At Rio Del Mar, the student body is approximately 6% White, 84% Hispanic, 2% Black, 4% Asian, 3% Two or more.
What district is Rio Del Mar in?
Rio Del Mar is part of Rio Elementary.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
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