- Enrollment
- 2,126
- Students per teacher
- 25.6:1
- Resource Index
- 42/100
High school (grades 9-12) · Irvine, CA
Arnold O. Beckman High
Federal NCES profile for Arnold O. Beckman High, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 36/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 064015010994
👥 S:T ratio 0
🌟 Gifted program 70
🎓 Counselors 7
📋 Attendance 66
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Arnold O. Beckman High earns 36/100 on the Resource Investment Index, with class sizes larger than 87% of California schools. It is also one of the largest schools in California.
- #3 of 8
- high schools in Irvine · Resource Index
- 36
- Resource Index · Typical
- 26.4:1
- large classes for California
- 22.3%
- free-lunch eligible
Arnold O. Beckman High has class sizes larger than 87% of California schools. Computed live against every California school reporting to NCES.
By Resource Investment Index, Arnold O. Beckman High ranks #3 of 8 high schools in Irvine, CA.
School address
District: Tustin Unified · California
NCES ID 064015010994 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
-85 students YoY
Arnold O. Beckman High held near 2,713 students from 2022-23 to 2023-24 (-85 headcount).
Teacher FTE lost 105.4 → 103.4 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Steady CCD campus
-85 students YoY 064015010994 · Irvine, CA High · LARGE · TRAD
2,776 enr · 26.4:1 · 22.3% lunch · RII 36
Nearest enrollment peer: Foothill High (2,126 students)
Arnold O. Beckman High held near 2,713 students from 2022-23 to 2023-24 (-85 headcount). Teacher FTE lost 105.4 → 103.4 across the same CCD years. Read with this school → · District book → · California schools → · Find another →
Arnold O. Beckman High in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- This school
Arnold O. Beckman High
2,776 students
- Foothill High
Foothill High
2,126 students
- Tustin High
Tustin High
1,627 students
- Orchard Hills
Orchard Hills
1,373 students
- Sycamore Magne 1,085
Sycamore Magnet Academy
1,085 students
- Pioneer Middle 971
Pioneer Middle
971 students
What this shows Arnold O. Beckman High reports 2,776 students on the CCD universe file.
How Arnold O. Beckman High compares
Arnold O. Beckman High 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 | 26.4:1 | ▲ 23% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 22.3% | ▼ 60% | 55.5% | 51.7% |
| Enrollment | 2,776 | top 1% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
26.4:1
Leaner classes than 4% of US schools, heavier class loads than most.
2,776
Bigger than 99% of US schools by enrollment, a large campus nationally.
Equity indicators methodology
Economic need
22.3%
free-lunch eligible
- 60% below the California average of 55.5%
Below the 40% Title I threshold, among the lower-need profiles in the state; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
26.4:1
students per teacher
- 23% above state mean
Top 87% in California - lower ratio than 13% of state schools
Well above 20:1, one of the more stretched staffing loads nationally relative to enrollment.
Engagement
13.5%
chronically absent (missed 10%+ of school days)
In the 10-15% range, above the pre-pandemic national baseline but within the broader post-pandemic picture.
Funding equity
$15,381
per pupil, district-wide
- below California avg of $18,665
Somewhat below the U.S. average per-pupil spend; funding constraints may affect programs, facilities, and staffing.
Support staff
Counselors6.0 FTE
Per 463 students, the combined health-and-guidance staffing load for this school.
Discipline context
1
in-school suspensions + 12 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 0.5 per 100 students. Reported via the Civil Rights Data Collection. Includes 5 expulsions.
Student demographics
Asian 44.7%
Hispanic or Latino 27.9%
White 18.3%
Two or More 6.0%
African American 2.7%
Native Hawaiian / Pacific Islander 0.3%
American Indian / Alaska Native 0.1%
Largest group: Asian at 44.7% of enrollment.
Student-body diversity index 68.5/100
Simpson diversity index - at 68.5, Arnold O. Beckman High is more mixed than the California school average of 46.0.
Programs
AP courses offered 22
Gifted & talented Yes
District finance for Tustin Unified reports $15,381 per pupil (NCES F-33) - open the district page for the full revenue mix.
How Arnold O. Beckman High Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Foothill High | Similar size | Similar economic need | Similar S:T ratio |
| Tustin High | Smaller | Higher economic need | Lower S:T ratio |
| Orchard Hills | Smaller | Similar economic need | Higher S:T ratio |
| Sycamore Magnet Academy | Smaller | Higher economic need | Lower S:T ratio |
| Pioneer Middle | Smaller | Similar economic need | Higher S:T ratio |
Comparisons are relative to Arnold O. Beckman High's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 1,627
- Students per teacher
- 20.3:1
- Resource Index
- 43/100
- Enrollment
- 1,373
- Students per teacher
- 29.2:1
- Resource Index
- 38/100
- Enrollment
- 1,085
- Students per teacher
- 22.6:1
- Resource Index
- 22/100
- Enrollment
- 971
- Students per teacher
- 30.3:1
- Resource Index
- 36/100
Similar high schools in Irvine
6 comparable high schools (grades 9-12) serving the same city.
Portola High
Standard public school
2,693 students 32.4:1 students per teacher
University High
Standard public school
2,307 students 28.5:1 students per teacher
Northwood High
Standard public school
2,244 students 27.7:1 students per teacher
Woodbridge High
Standard public school
2,232 students 24:1 students per teacher
Irvine High
Standard public school
1,964 students 25.8:1 students per teacher
Irvine Adult Transition Programs
Special-education school
117 students 14.6:1 students per teacher
Nationwide high 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 (~2,776 students)
Frequently asked questions about Arnold O. Beckman High
How many students attend Arnold O. Beckman High?
Arnold O. Beckman High has 2,776 students enrolled. It is a high school in Irvine, CA. CCD year-over-year: 2,798 (2022-23) → 2,713 (2023-24), nearly flat (-85).
What is the student-teacher ratio at Arnold O. Beckman High?
The student-teacher ratio at Arnold O. Beckman High is 26.4:1, which is 23% higher than the California average of 21.5:1 and 68% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Arnold O. Beckman High?
22.3% of students at Arnold O. Beckman High are eligible for free lunch, compared to the California average of 55.5%.
What is the racial and ethnic makeup of Arnold O. Beckman High?
The largest demographic group at Arnold O. Beckman High is Asian at 44.7% of enrollment, in Irvine, CA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 68.5/100.
What is the Resource Investment Index for Arnold O. Beckman High?
Arnold O. Beckman High has a Resource Investment Index of 36/100 (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 Arnold O. Beckman High rank among high schools in Irvine?
By Resource Investment Index, Arnold O. Beckman High ranks #3 of 8 high schools in Irvine, 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 Irvine on the city page.
What other schools are in Tustin Unified?
Besides Arnold O. Beckman High, Tustin Unified also operates Foothill High (2,126 students), Tustin High (1,627 students), and Orchard Hills (1,373 students). See the Tustin Unified district page for the complete list.