Enrollment
2,380
California · 2024-25 NCES data
High school (grades 9-12) · Oxnard, CA
Channel Islands High
Federal NCES profile for Channel Islands High, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 31/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 062927004517
👥 S:T ratio 10
📚 AP courses 65
🌟 Gifted program 30
🎓 Counselors 21
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Channel Islands High earns 31/100 on the Resource Investment Index, with class sizes near the California median. It is also one of the largest schools in California.
- #9 of 9
- high schools in Oxnard · Resource Index
- 31
- Resource Index · Lower
- 22.5:1
- students per teacher
- 71.4%
- free-lunch eligible
Channel Islands High has class sizes near the California median. Computed live against every California school reporting to NCES.
By Resource Investment Index, Channel Islands High ranks #9 of 9 high schools in Oxnard, CA.
School address
District: Oxnard Union High · California
NCES ID 062927004517 Verify on NCES CCD record →
Teachers (FTE)
106.0
Federal CCD staff survey
Students per teacher
22.5:1
vs 21.5:1 California avg
+5% vs state
Free-lunch eligible
71.4%
vs 55.5% California avg
+29% vs state
Student-teacher ratio in context
How Channel Islands High compares with California and U.S. medians
What stands out at Channel Islands High
Channel Islands High is a higher-need, large high school in Oxnard, California, enrolling 2,380 students.
At 22.5:1, its student-teacher ratio sits close to the California median, within a few percentage points of the 21.5:1 state norm, neither notably crowded nor notably small.
Economic need runs somewhat above the state's typical profile, with 71.4% of students eligible for free meals.
By headcount it is one of the larger campuses in California, bigger than 98% of state schools at 2,380 students.
Its Resource Investment Index lands in the lower third of 9,998 scored California schools.
Among 234 similarly sized, similarly resourced-need California schools statewide, it ranks #205, in the lower tier once campus size and economic need are matched.
Its student body is predominantly Hispanic or Latino (91% of enrollment), among the less diverse in the state (diversity index 17/100).
On the academic-pipeline side it reports 13 Advanced Placement courses.
Counselor availability sits well past the ASCA benchmark, roughly 397 students sharing each counselor, though short of the most stretched campuses.
The federal civil-rights collection also records 12 expulsions at this campus for 2021-22.
Among Oxnard's high schools, it stands alongside Pacifica High (2,675 students): Channel Islands High is smaller than that campus by headcount and runs heavier classes (22.5:1 vs 20.9:1).
Oxnard Union High also operates Pacifica High (2,675 students) and Oxnard High (2,452 students) alongside Channel Islands High.
Sourced from NCES CCD, CRDC, and F-33 (federal records, not a quality verdict). How we source and compute this.
Source: National Center for Education Statistics Common Core of Data + CRDC + F-33 · 2024-25
How Channel Islands High compares
Channel Islands High on the metrics families compare, against California and U.S. means.
| Metric | This school | vs California | California avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 22.5:1 | ▲ 5% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 71.4% | ▲ 29% | 55.5% | 51.7% |
| Enrollment | 2,380 | top 2% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
22.5:1
Leaner classes than 9% of US schools, heavier class loads than most.
2,380
Bigger than 99% of US schools by enrollment, a large campus nationally.
Equity indicators (what these measure)
Economic need
71.4%
free-lunch eligible
- 29% above the California average of 55.5%
Above the 40% Title I schoolwide threshold; federal funds support the whole school, not individual students.
Staffing depth
22.5:1
students per teacher
- 5% above state mean
Top 58% in California - lower ratio than 42% of state schools
Above 20:1, running heavier than the typical U.S. public school; staffing is comparatively stretched.
Funding equity
$15,715
per pupil, district-wide
- below California avg of $16,509
Somewhat below the U.S. average per-pupil spend; funding constraints may affect programs, facilities, and staffing.
Support staff
Counselors6.0 FTE
Per 397 students, the combined health-and-guidance staffing load for this school.
Discipline context
0
in-school suspensions + 130 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 5.5 per 100 students. Reported via the Civil Rights Data Collection. Includes 12 expulsions.
Overview
- Common Core of Data (June 2026): enrollment, staffing, and the student-teacher ratio above.
- Civil Rights Data Collection: discipline counts and program access (AP, gifted, special education).
- F-33 School District Finance Survey: the district-wide per-pupil spending figures below.
Three separate federal collections, each on its own reporting cadence - which is why this school's numbers line up on a consistent basis against every other school and state on this site, rather than mixing figures pulled from different survey years.
Student demographics
Hispanic or Latino 91.1%
Asian 6.1%
White 1.6%
Two or More 0.6%
African American 0.3%
American Indian / Alaska Native 0.1%
Native Hawaiian / Pacific Islander 0.1%
Largest group: Hispanic or Latino at 91.1% of enrollment.
Student-body diversity index 16.6/100
Simpson diversity index - at 16.6, Channel Islands High is less mixed than the California school average of 46.0.
Programs
AP courses offered 13
Funding & spending
District-wide per-pupil expenditure for Oxnard Union High, which includes Channel Islands High.
$15,715
Per student
-5%
vs California
Avg $16,509
-5%
vs U.S.
Avg $16,593
Revenue mix
Local 36.0%
State 52.6%
Federal 11.5%
Source: NCES F-33 School District Finance Survey District-level finance · FY 2021-22 Per-pupil expenditure reflects the district-wide average. Individual school budgets are not reported at the federal level.
How Channel Islands High Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Pacifica High | Similar size | Similar economic need | Lower S:T ratio |
| Oxnard High | Similar size | Lower economic need | Similar S:T ratio |
| Adolfo Camarillo High | Similar size | Lower economic need | Higher S:T ratio |
| Rio Mesa High | Similar size | Lower economic need | Lower S:T ratio |
| Hueneme High | Similar size | Similar economic need | Lower S:T ratio |
Comparisons are relative to Channel Islands High's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 2,675
- Students per teacher
- 20.9:1
- Resource Index
- 27/100
- Enrollment
- 2,452
- Students per teacher
- 22.1:1
- Resource Index
- 24/100
- Enrollment
- 1,969
- Students per teacher
- 25.9:1
- Resource Index
- 29/100
- Enrollment
- 1,951
- Students per teacher
- 20.8:1
- Resource Index
- 26/100
- Enrollment
- 1,913
- Students per teacher
- 19.7:1
- Resource Index
- 26/100
Similar high schools in Oxnard
6 comparable high schools (grades 9-12) serving the same city.
Pacifica High
Standard public school
2,675 students 20.9:1 students per teacher
Oxnard High
Standard public school
2,452 students 22.1:1 students per teacher
Rio Mesa High
Standard public school
1,951 students 20.8:1 students per teacher
Hueneme High
Standard public school
1,913 students 19.7:1 students per teacher
Vista Real Charter High
Standard public school
1,271 students 16.7:1 students per teacher
Condor High
Alternative education program
411 students 19.6:1 students per teacher
Similar high schools statewide
Matched by enrollment size and by staffing ratio across all of California, not just this city - a different peer set than the local comparisons above.
Similar enrollment (~2,380 students)
Next steps
Verify locally before acting on Channel Islands High's federal record.
- Compare Channel Islands High against another school. Compare schools
- Oxnard Union High's spending and staffing shape this school. District profile
- Confirm current enrollment and boundaries with the school. Choosing guide
Federal record (CCD 2024-25, CRDC 2021-22) - PlainSchools assigns no subjective rating; the composite quality score is a transparent, reproducible index computed from this cited federal data.
Frequently asked questions about Channel Islands High
How many students attend Channel Islands High?
Channel Islands High has 2,380 students enrolled. It is a high school in Oxnard, CA.
What is the student-teacher ratio at Channel Islands High?
The student-teacher ratio at Channel Islands High is 22.5:1, which is 5% higher than the California average of 21.5:1 and 43% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Channel Islands High?
71.4% of students at Channel Islands High are eligible for free lunch, compared to the California average of 55.5%.
What is the racial and ethnic makeup of Channel Islands High?
The largest demographic group at Channel Islands High is Hispanic or Latino at 91.1% of enrollment, in Oxnard, CA.
What is the Resource Investment Index for Channel Islands High?
Channel Islands High has a Resource Investment Index of 31/100 (lower reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, AP course offerings, counselor availability. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Channel Islands High rank among high schools in Oxnard?
By Resource Investment Index, Channel Islands High ranks #9 of 9 high schools in Oxnard, CA. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all high schools in Oxnard on the city page.
Is Channel Islands High a good school?
Channel Islands High earns 31/100 on the Resource Investment Index, with class sizes near the California median. It is also one of the largest schools in California. This is a resource snapshot, not an academic rating; see the Resource Investment Index question above for what the number does and doesn't measure.
What other schools are in Oxnard Union High?
Besides Channel Islands High, Oxnard Union High also operates Pacifica High (2,675 students), Oxnard High (2,452 students), and Adolfo Camarillo High (1,969 students). See the Oxnard Union High district page for the complete list.
Related tools
Every figure on PlainSchools is rendered directly from the source NCES, CRDC and F-33 federal records, no number is typed in by an editor. Each school's figures reflect its most recent NCES/CRDC submission on file. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of June 2026.