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Rio Mesa High School

545 Central Avenue, Oxnard, CA 93030View on map

  • Public
  • Oxnard
  • 476 seniors
  • 1,836 students

Rio Mesa High School is a public high school in Oxnard (Oxnard Union High) with 476 seniors. In fall 2025, 73% of its 59 University of California applicants were admitted, compared with a county median of 75%. Its students applied most often to UC Irvine (UCI), UC Los Angeles (UCLA), and UC Santa Barbara (UCSB). 37% of the class of 2023 completed the A–G courses UC requires.

Year

UC admit rate

73%

43 of 59 applicants, fall 2025

County median 75%

Seniors admitted to a UC

9%

43 of 476 seniors

County median 18%

Seniors who applied to UC

12%

59 of 476 seniors

County median 23%

UC Los Angeles (UCLA) admit rate

11%

4 of 36 applicants, fall 2025

CA applicants 9.6%

UC Berkeley (Cal) admit rate

29%

4 of 14 applicants, fall 2025

CA applicants 13%

Campus by campus, fall 2025

The share of this school's applicants each campus admitted, beside the campus's rate for everyone else. Hardest campus first.

University of California

Rio Mesa High School applicants did better than all California applicants at 4 of 9 campuses, about the same at 3 and worse at 2.

  • Los AngelesAbout the same

    11%

    4 of 36 admitted

    This school11%All CA10%

    Admitted students' average GPA — (all applicants 3.78)

  • Berkeley15 pts higher

    29%

    4 of 14 admitted

    This school29%All CA13%

    Admitted students' average GPA — (all applicants 3.80)

  • IrvineAbout the same

    19%

    7 of 37 admitted

    This school19%All CA22%

    Admitted students' average GPA 4.19 (all applicants 3.81)

  • San Diego11 pts higher

    35%

    11 of 31 admitted

    This school35%All CA25%

    Admitted students' average GPA 4.23 (all applicants 3.83)

  • Santa Barbara8 pts higher

    40%

    14 of 35 admitted

    This school40%All CA32%

    Admitted students' average GPA 4.14 (all applicants 3.70)

  • DavisAbout the same

    35%

    8 of 23 admitted

    This school35%All CA37%

    Admitted students' average GPA 4.06 (all applicants 3.57)

  • Santa Cruz13 pts lower

    58%

    7 of 12 admitted

    This school58%All CA71%

    Admitted students' average GPA 3.75 (all applicants 3.45)

  • Riverside10 pts lower

    77%

    20 of 26 admitted

    This school77%All CA87%

    Admitted students' average GPA 3.75 (all applicants 3.53)

  • Merced4 pts higher

    100%

    20 of 20 admitted

    This school100%All CA96%

    Admitted students' average GPA 3.53 (all applicants 3.53)

Fall 2025. A student admitted to several campuses counts once at each one. All CA is the campus’s admit rate that fall for applicants from every California high school. Within 3 points counts as about the same. GPA is the UC-calculated GPA (weighted, capped).

California State University

Rio Mesa High School applicants did better than the campus overall at 1 of 4 campuses, about the same at 1 and worse at 2.

  • Pomona31 pts lower

    43%

    6 of 14 admitted

    This school43%Overall74%

  • Fullerton4 pts higher

    91%

    20 of 22 admitted

    This school91%Overall87%

  • Channel Islands5 pts lower

    88%

    29 of 33 admitted

    This school88%Overall93%

  • NorthridgeAbout the same

    90%

    28 of 31 admitted

    This school90%Overall93%

Fall 2025. A student admitted to several campuses counts once at each one. Overall is the campus’s admit rate for all its applicants, from federal IPEDS data (fall 2023, the latest published). Within 3 points counts as about the same.

Where graduates go

Class of 2023 (451 graduates), the latest published by fall 2025, within 12 months of graduating.

Any college

79%

357 of 451 graduates

UC or CSU

12%

54 graduates

Community college

64%

287 graduates

DestinationGraduatesShare
UC235%
CSU317%
CA private college41%
Out of state123%
Community college28764%
Not enrolled9421%
Enrolled in college35779%
Total451100%

How each student group compares

Compare college-going across student groups

  • Gender: Male, Female
  • Race & ethnicity: Hispanic or Latino, White, Filipino, Two or more races
  • Student need: Low-income, English learners, Students with disabilities, Homeless
See the full report

Advanced Placement

3

AP courses offered

2023–24 school year · US Dept. of Education Civil Rights Data Collection

6

AP class sections

Counts every section taught, so it is larger than the number of different AP courses.

10% of students are in AP courses

2024–25 school year · California School Accountability Report Card

12%

of graduating seniors passed at least two AP exams or courses

59 of 497 graduates

A score of 3 or higher on exams or a C- or better in courses. Not comparable with the exam-only share.

2025–26 school year · California Department of Education (College/Career Indicator)

3%

of graduating seniors scored 3 or higher on at least two AP exams

17 of 534 graduates

2023–24 school year · California Department of Education (College/Career Indicator)

Subject areas

  • Mathematics: 2 classes
  • Social science: 4 classes

Academic context

State test (CAASPP), juniors tested in 2026, and the share of low-income students. A–G is the class of 2023. The tick is the county median.

  • Juniors meeting the English standard 46%County median 61%
  • Juniors meeting the math standard 22%County median 30%
  • Juniors exceeding the English standard 18%County median 23%
  • Juniors exceeding the math standard 10%County median 12%
  • Low-income students 79%County median 40%
  • Graduates completing courses 37%County median 44%

Across California

Year
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Other schools in Oxnard Union High and nearby