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Rio Mesa High
B

Rio Mesa High

PublicHighGrades 9–12

545 Central Ave., Oxnard, CA 93030 · (805) 278-5500 · Part of Oxnard Union High School District

El Rio’s School Grade C+ better than 35% of California school districts

Directions
Photo: Fettlemap · CC BY-SA 3.0 · Wikimedia Commons
Students
1,951
Students per teacher
23:1
Free or reduced lunch
73%
Setting
Suburb
Grades
9–12
The gist

What stands out about Rio Mesa High

  • Its own letter, B: better results than 57% of California’s public schools
  • Larger classes: 23 students per teacher
  • Enrollment down 18.1% since 2020–21

On the path

Where El Rio kids come from and go next. The whole path →

K–82 schoolsDepends on your address
9–12Rio Mesa HighYou are here

Test scores

2020–21
Math proficiency29%
State average 33.6%
Reading / language arts48%
State average 48.6%

Its own letter, B, places these results among California’s 3,615 public schools with results. Source: EDFacts via Urban Institute Education Data Portal (SY2020-21).

Location

Directions ↗

545 Central Ave., Oxnard

Students

Enrollment by grade
Grade 9491
Grade 10459
Grade 11525
Grade 12476
Enrollment over time
2,381’20
2,333’21
2,220’22
2,078’23
1,951’24

Down 18.1% since 2020–21.

Who goes here
Hispanic 88%Asian 5%White 4%Two or more races 2%Black 1%Native Hawaiian/Pacific Islander <1%

As reported to NCES, share of students with a reported race or ethnicity.

Parents talk

Questions and answers about Rio Mesa High from El Rio families.

Other schools in Oxnard Union High School District

The district →
Pacifica High
High · Grades 9–12 · Oxnard
B−
2,675 students24:1
Oxnard High
High · Grades 9–12 · Oxnard
B
2,452 students23:1
Channel Islands High
High · Grades 9–12 · Oxnard
B
2,380 students25:1
Adolfo Camarillo High
High · Grades 9–12 · Camarillo
A−
1,969 students25:1
Hueneme High
High · Grades 9–12 · Oxnard
B−
1,913 students22:1
Rancho Campana High
High · Grades 9–12 · Camarillo
A
826 students23:1

School facts: U.S. Department of Education (NCES), 2024–2025 school year. Test scores: EDFacts via Urban Institute Education Data Portal (SY2020-21). A school’s letter is our own summary of its reading and math results against California’s other public schools; El Rio’s School Grade is built from its districts’ results. Map: © OpenStreetMap contributors.