Enrollment
1,691
California · 2024-25 NCES data
High school (grades 9-12) · Rosemead, CA
Federal NCES profile for Rosemead High, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 44/100.
The verdict
Rosemead High earns 44/100 on the Resource Investment Index, with class sizes near the California median. It is also one of the largest schools in California.
Rosemead High has class sizes near the California median. Computed live against every California school reporting to NCES.
By Resource Investment Index, Rosemead High ranks #5 of 14 public schools in Rosemead, CA.
NCES ID 061212001366 Verify on NCES CCD record →
Enrollment
1,691
California · 2024-25 NCES data
Teachers (FTE)
79.0
Federal CCD staff survey
Students per teacher
21.4:1
vs 21.5:1 California avg
-0% vs state
Free-lunch eligible
48.9%
vs 55.5% California avg
-12% vs state
How Rosemead High compares with California and U.S. medians
At or below state median
21.4:1 - 0.1 below the California state median of 21.5:1, indicating smaller average class loads than typical schools in the state.
Rosemead High is a large high school in Rosemead, California, enrolling 1,691 students.
At 21.4:1, 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 below the state's typical profile, with 48.9% of students eligible for free meals.
By headcount it is one of the larger campuses in California, bigger than 95% of state schools at 1,691 students.
Its Resource Investment Index sits near the middle of the pack among 9,998 scored California schools.
Against 333 statewide peers matched on enrollment and economic need, it ranks in the upper tier at #102.
Its student body is led by Hispanic or Latino (51%) and Asian (47%) (diversity index 52/100).
On the academic-pipeline side it reports 16 Advanced Placement courses.
Counselor availability sits well past the ASCA benchmark, roughly 338 students sharing each counselor, though short of the most stretched campuses.
15.3% of students were chronically absent in the 2021-22 collection, in line with the post-pandemic national range.
El Monte Union High also operates Arroyo High (1,638 students) and El Monte High (1,383 students) alongside Rosemead 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
Rosemead 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 | 21.4:1 | ▼ 0% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 48.9% | ▼ 12% | 55.5% | 51.7% |
| Enrollment | 1,691 | top 5% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
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.
Largest group: Hispanic or Latino at 50.7% of enrollment.
Simpson diversity index - at 52.2, Rosemead High is more mixed than the California school average of 46.0.
District-wide per-pupil expenditure for El Monte Union High, which includes Rosemead High.
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.
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Arroyo High | Similar size | Similar economic need | Similar S:T ratio |
| El Monte High | Similar size | Higher economic need | Lower S:T ratio |
| South El Monte High | Smaller | Similar economic need | Lower S:T ratio |
| Mountain View High | Smaller | Higher economic need | Lower S:T ratio |
| Fernando R. Ledesma Continuation High | Smaller | Higher economic need | Lower S:T ratio |
Comparisons are relative to Rosemead High's own figures; each column derives from NCES Common Core of Data.
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.
Next steps
Verify locally before acting on Rosemead High's federal record.
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.
Rosemead High has 1,691 students enrolled. It is a high school in Rosemead, CA.
The student-teacher ratio at Rosemead High is 21.4:1, which is 0% lower than the California average of 21.5:1 and 36% higher than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
48.9% of students at Rosemead High are eligible for free lunch, compared to the California average of 55.5%.
The largest demographic group at Rosemead High is Hispanic or Latino at 50.7% of enrollment, in Rosemead, CA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 52.2/100.
Rosemead High has a Resource Investment Index of 44/100 (typical 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).
By Resource Investment Index, Rosemead High ranks #5 of 14 public schools in Rosemead, CA. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all public schools in Rosemead on the city page.
Rosemead High earns 44/100 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.
Besides Rosemead High, El Monte Union High also operates Arroyo High (1,638 students), El Monte High (1,383 students), and South El Monte High (1,125 students). See the El Monte Union High district page for the complete list.
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.
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PlainSchools, “Rosemead High, Rosemead CA.” Compiled from NCES Common Core of Data, Civil Rights Data Collection, and the NCES F-33 finance survey; data as of June 2026. https://plainschools.com/schools/rosemead-high-ca
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