SchoolRow
#868

Rio Mesa High

Oxnard, CA · Oxnard Union High · Grades 9-12

868th of 1,528 California high schools statewide · better than 43% Declining

2,078
Students
2023–24 enrollment
23.9:1
Student / teacher ratio
73%
Free / reduced-price lunch
low-income indicator
19.9%
Chronically absent
CA average 20%

Rio Mesa High ranking

SchoolRow ranks Rio Mesa High 868th of 1,528 California high schools for 2024–25, based on CAASPP 2024–25 English and Math results — better than 43% of high schools statewide. Its statewide percentile went from 52th in 2015 to 43th in 2025 — declining.

Statewide percentile by year
25%50%75%43%201520202025no testing 2020–21

Rio Mesa High test scores

Percent meeting or exceeding the state standard, CAASPP 2024–25 · 490 students tested

English Language Arts
This school
46%
CA average
49%
Math
This school
20%
CA average
37%
Science
This school
32%
CA average
33%
English Language Arts over time this school CA average
25%50%75%46%49%201520202025no testing 2020–21
Math over time this school CA average
25%50%75%20%37%201520202025no testing 2020–21

Rio Mesa High students

Racial and ethnic breakdown of 2,078 students (202324, NCES) — and how it has shifted since 2013

Hispanic86%
Hover the pie for details
Hispanic 87%71%18%20132023
GroupTrend20132023Change
Hispanic71.4%86.1% 14.7 pts
Asian4.9%4.8% 0.1 pts
White18.0%4.5% 13.5 pts
Two or more races1.1%2.3% 1.2 pts
Black3.8%1.8% 2.0 pts
American Indian0.5%0.0% 0.5 pts

Homes near Rio Mesa High

Typical home value $779K in zip 93030 as of 2026-05 · trend since 2000

$205K$411K$616K$821K$777K200020052010201520202025

Data Provided by Zillow Group

See recently sold homes in 93030 on Zillow →

High schools near Rio Mesa High

Closest same-level schools, with 2024–25 state rank

View on the map →

Frequently asked questions

What school district is Rio Mesa High in?

Rio Mesa High is part of the Oxnard Union High district in Oxnard, California.

Is Rio Mesa High a good school?

SchoolRow ranks Rio Mesa High 868th of 1,528 California high schools (better than 43% statewide) based on 2024–25 test results (CAASPP 2024–25).

What is the racial makeup of Rio Mesa High?

Hispanic 86%, Asian 5%, White 5%, Two or more races 2% (2,078 students, 2023–24).

How much do homes near Rio Mesa High cost?

The typical home value in zip code 93030 is $779K as of 2026-05 (Zillow ZHVI).

Sources: state education department data (CAASPP 2024–25, low-income, chronic absenteeism), National Center for Education Statistics via the Urban Institute (enrollment, demographics, staffing), Zillow Group (home values). Rankings are computed by SchoolRow from state English and Math results within grade level; they measure test performance, not everything that makes a school good.