Rio Mesa High

545 Central Ave., Oxnard, CA 93030

CSchola Grade
Grades
9–12
High
Students
1,951
Enrolled 2024–25
Students per teacher
23 : 1
Full-time teachers
District
Oxnard Union High
Ventura County

Schola Grade C · Average

Letter grade (A–F) · compared with 1,321 California high schools · How we grade
Test scores30% proficient in math & reading
32ndpercentile
Equity26% of low-income students proficient
31stpercentile
Attendance25% chronically absent
50thpercentile
Graduation rate90% graduate in 4 years
29thpercentile
College readinessAt least 21% take AP, IB or dual-enrollment courses
39thpercentile
Class size23 students per teacher
27thpercentile

Percentiles compare this school with other California high schools; the line marks the middle. Data: test scores 2021–22, graduation and absenteeism 2022–23 (U.S. Department of Education, EDFacts); coursework 2023–24 (Civil Rights Data Collection); staffing 2024–25 (NCES).

About Rio Mesa High

Rio Mesa High is a public high school in Oxnard, California, serving grades 9–12. It is part of Oxnard Union High. The school is located in a large suburb in Ventura County.

In the 2024–25 school year, 1,951 students were enrolled, with about 23 students for every full-time teacher. That ratio is larger than the typical California high school (18.5 students per teacher). Its Schola Grade is C (average), compared with 1,321 California high schools.

Grades & enrollment

Students per grade, 2024–25Grades 9–12

Location & nearby schools

545 Central Ave.
Oxnard, CA 93030
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School details

Type
Public School · What this means
Level
High
Grades offered
9–12
Enrollment (2024–25)
1,951 students
Students per teacher
23 to 1
AP courses offered
3
Charter school
No
Magnet school
No
Locale
Suburb — Large
School district
Oxnard Union High
County
Ventura County
NCES school ID
062927004521

Schools near Rio Mesa High

All 62 schools in Oxnard →
Condor High
Alternative · Grades 9–12 · 411 students
2.5 mi
Pacifica High
Public · Grades 9–12 · 2,675 students
D2.9 mi
Del Sol High
Public · Grades 9–12 · 808 students
3.2 mi
Frontier High
Alternative · Grades 9–12 · 260 students
5.1 mi

School data comes from the U.S. Department of Education: the National Center for Education Statistics (NCES) Common Core of Data and EDGE school locations (2024–25) and Private School Survey (2023–24), the Civil Rights Data Collection (2023–24), and EDFacts (test results 2021–22; graduation and chronic absenteeism 2022–23), plus other public sources. Please contact the school to confirm enrollment, programs, and other details. How we source data.