Enrollment
2,776
California · 2024-25 NCES data
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 49/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 064015010994
👥 S:T ratio 0
📚 AP courses 100
🌟 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 49/100 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
- 49
- Resource Index · Higher
- 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 →
Teachers (FTE)
105.0
Federal CCD staff survey
Students per teacher
26.4:1
vs 21.5:1 California avg
+23% vs state
Free-lunch eligible
22.3%
vs 55.5% California avg
-60% vs state
Student-teacher ratio in context
How Arnold O. Beckman High compares with California and U.S. medians
What stands out at Arnold O. Beckman High
Arnold O. Beckman High is a large high school in Irvine, California, enrolling 2,776 students.
Class loads run heavy: 26.4:1 is larger than about 87% of California schools and 23% above the 21.5:1 state mean, so each teacher carries more students than is typical.
Comparatively few students face economic hardship here, 22.3% free-meal eligibility runs 60% below the California average.
By headcount it is one of the larger campuses in California, bigger than 99% of state schools at 2,776 students.
Its Resource Investment Index lands in the upper third of 9,998 scored California schools.
Against 197 statewide peers matched on enrollment and economic need, it ranks in the upper tier at #69.
Its student body is led by Asian (45%) and Hispanic or Latino (28%), more mixed than most schools in the state (diversity index 69/100).
On the academic-pipeline side it reports 22 Advanced Placement courses.
Counselor access is stretched at roughly 463 students per counselor, well above the ASCA-recommended 250:1 ceiling.
13.5% of students were chronically absent in the 2021-22 collection, in line with the post-pandemic national range.
The federal civil-rights collection also records 5 expulsions at this campus for 2021-22.
Among Irvine's high schools, it stands alongside Portola High (2,693 students): Arnold O. Beckman High is larger than that campus by headcount and runs leaner classes (26.4:1 vs 32.4:1).
Tustin Unified also operates Foothill High (2,126 students) and Tustin High (1,627 students) alongside Arnold O. Beckman 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 Arnold O. Beckman High compares
Arnold O. Beckman 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 | 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 (what these measure)
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
$13,372
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 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.
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
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
Funding & spending
District-wide per-pupil expenditure for Tustin Unified, which includes Arnold O. Beckman High.
$13,372
Per student
-19%
vs California
Avg $16,509
-19%
vs U.S.
Avg $16,593
Revenue mix
Local 53.9%
State 38.0%
Federal 8.1%
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 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
- 2,126
- Students per teacher
- 25.6:1
- Resource Index
- 42/100
- 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
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 (~2,776 students)
Similar student-teacher ratio (~26.4:1)
Next steps
Verify locally before acting on Arnold O. Beckman High's federal record.
- Compare Arnold O. Beckman High against another school. Compare schools
- Tustin Unified'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 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.
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 49/100 (higher reported resources relative to schools nationally) based on 5 factors: student-teacher ratio, AP course offerings, counselor availability, attendance rates. 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.
Is Arnold O. Beckman High a good school?
Arnold O. Beckman High earns 49/100 on the Resource Investment Index, with class sizes larger than 87% of California schools. It is also one of the largest schools in California. 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 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.
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.