Other / mixed grade configuration · Santa Ana, CA
Ocsa
Federal NCES profile for Ocsa, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 37/100.
The verdict
Ocsa earns 37/100 on the Resource Investment Index, with class sizes smaller than 80% of California schools. It is also one of the largest schools in California.
- #5 of 8
- schools in Santa Ana · Resource Index
- 37
- Resource Index · Typical
- 17.8:1
- small classes for California
- 12.4%
- free-lunch eligible
Ocsa has class sizes smaller than 80% of California schools. Computed live against every California school reporting to NCES.
By Resource Investment Index, Ocsa ranks #5 of 8 schools in Santa Ana, CA.
School address
NCES ID 060228408546 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
+36 students YoY
Ocsa held near 2,288 students from 2022-23 to 2023-24 (+36 headcount).
Teacher FTE added 132.6 → 133.4 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Steady CCD campus
+36 students YoY 060228408546 · Santa Ana, CA Other · LARGE · CHARTER
2,346 enr · 17.8:1 · 12.4% lunch · RII 37
Nearest enrollment peer: Oregon Charter Academy (2,345 students)
Ocsa held near 2,288 students from 2022-23 to 2023-24 (+36 headcount). Teacher FTE added 132.6 → 133.4 across the same CCD years. Read with this school → · District book → · California schools → · Find another →
How Ocsa compares
Ocsa held steady on CCD headcount: ratios and free-lunch share vs California and U.S. means.
| Metric | This school | vs California | California avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 17.8:1 | ▼ 17% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 12.4% | ▼ 78% | 55.5% | 51.7% |
| Enrollment | 2,346 | top 2% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
Equity indicators methodology
Student demographics
Largest group: Asian at 44.0% of enrollment.
Simpson diversity index - at 69.7, Ocsa is more mixed than the California school average of 46.0.
Programs
District finance for Ocsa District reports $20,223 per pupil (NCES F-33) - open the district page for the full revenue mix.
Similar other schools in Santa Ana
6 comparable other schools (grades Mixed) serving the same city.
Nationwide other schools with similar size or staffing
Out-of-state peers matched by enrollment and by student-teacher ratio, not the same-city or same-district lists above.
Similar enrollment (~2,346 students)
Similar student-teacher ratio (~17.8:1)
Frequently asked questions about Ocsa
How many students attend Ocsa?
Ocsa has 2,346 students enrolled. It is a public school in Santa Ana, CA. CCD year-over-year: 2,252 (2022-23) → 2,288 (2023-24), nearly flat (+36).
What is the student-teacher ratio at Ocsa?
The student-teacher ratio at Ocsa is 17.8:1, which is 17% lower than the California average of 21.5:1 and 13% higher than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
What percentage of students receive free lunch at Ocsa?
12.4% of students at Ocsa are eligible for free lunch, compared to the California average of 55.5%.
What is the racial and ethnic makeup of Ocsa?
The largest demographic group at Ocsa is Asian at 44.0% of enrollment, in Santa Ana, CA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 69.7/100.
What is the Resource Investment Index for Ocsa?
Ocsa has a Resource Investment Index of 37/100 (typical reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, gifted-program reporting, counselor availability, chronic absenteeism. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Ocsa rank among schools in Santa Ana?
By Resource Investment Index, Ocsa ranks #5 of 8 schools in Santa Ana, CA. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all schools in Santa Ana on the city page.
What other schools are in Ocsa District?
None; Ocsa District is a single-school charter district, and Ocsa is its only campus.