PROFICIENCY 37% 3% lower than state average
School Rankings Proficiency Averages
36%Oxnard Union High
23%El Rio

Rio Mesa High is a school servicing grades 9 to 12 and is located in the district of "Oxnard Union High" in El Rio, CA. There are a total of 2,197 students and 87 teachers at Rio Mesa High, for a student to teacher ratio of 26 to 1. There are a total of 922 free lunch students and 272 reduced lunch students.

Rio Mesa High has an average proficiency test score (in mathematics and languages) of 37.0%, which is 3% lower than the California average.


Student/Teacher ratio26:1
Free lunch922
Reduced lunch272


Advanced Placement
AP enrollment358
Taking some courses174
Taking some courses (not tests)209
Passing some courses75
Passing no courses81

Advanced placement (AP) is a program that offers high school students the ability to take college level courses and exams. These programs were created to be at the same level of most first year university courses. If the students were successful in the AP programs, they could potentially receive advanced placement, credit or exemptions when they go on to university. At Rio Mesa High, there are a total of 358 students enrolled in advanced placement courses, with 174 taking some courses.

Proficiency in mathematics comparison

Proficiency in languages comparison

Proficiency in mathematics by grade

High School25%

Proficiency in languages by grade

High School49%

The proficiency in math and languages tables represent the percentage of students that scored at or above the proficiency level on their standardized state assessment tests. Although these tests are standardized within each state, the tests may vary from state to state. Comparing the results of one state to another may not always be an accurate or fair comparison.

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Rio Mesa High race/ethnicity breakdown

Caucasian 18.0% 15.5% 24.1% 51.1%
African American 3.9% 2.0% 6.2% 15.9%
Asian 2.2% 2.3% 11.1% 4.7%
Hispanic or Latino 71.1% 73.9% 54.1% 23.6%
American Indian and Alaskan 0.5% 0.2% 0.7% 1.2%
Hawaiian 3.1% 4.5% 0.8% 0.4%
Multiracial 1.2% 1.6% 3.1% 3.1%

Other schools nearby

Rio Plaza Elementary16%1.3El Rio, CA
Rio Del Mar30%1.5Oxnard, CA
Rio Del Valle Middle School22%1.6Oxnard, CA
Rio Vista Middle School22%1.7Oxnard, CA
Junipero Serra Elementary53%1.9San Buenaventura (Ventura), CA
Rio Real Elementary18%2.0El Rio, CA
Academy Of Technology & Leadership At Saticoy40%2.3San Buenaventura (Ventura), CA
Citrus Glen Elementary55%2.3San Buenaventura (Ventura), CA
Rio Lindo Elementary27%2.5Oxnard, CA
Pacifica High21%3.0Oxnard, CA
Norman R. Brekke Elementary26%3.0Oxnard, CA
Rio Del Norte20%3.0Oxnard, CA

El Rio demographics profile

StatisticEl RioCaliforniaNational
Population density (sq mi)3,66223291
Median age31.436.037.7
Male/Female ratio1.0:11.0:11.0:1
Married (15yrs & older)46%52%55%
Speak English26%56%79%
Speak Spanish70%29%13%

Education level achieved in El Rio

IndexEl RioCaliforniaNational
Completed 8th grade61.0%81.1%84.3%
Completed high school59.3%79.8%83.0%
Completed some college34.5%61.5%59.4%
Completed associate degree14.6%39.8%38.5%
Completed bachelors8.4%32.0%30.3%
Completed masters1.0%11.9%11.5%
Completed professional degree0.3%3.9%3.3%
Completed doctorate0.0%1.6%1.3%
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Source: The Rio Mesa High data displayed above is derived from the 2016 National Center for Education Statistics and from the U.S. Department of Education.
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