Enrollment
1,013
California · 2024-25 NCES data
Middle school (grades 6-8) · San Gabriel, CA
Federal NCES profile for Jefferson Middle, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 48/100.
The verdict
Jefferson Middle earns 48/100 on the Resource Investment Index, with class sizes near the California median.
Jefferson Middle has class sizes near the California median. Computed live against every California school reporting to NCES.
By Resource Investment Index, Jefferson Middle ranks #1 of 12 public schools in San Gabriel, CA.
NCES ID 063442500557 Verify on NCES CCD record →
Enrollment
1,013
California · 2024-25 NCES data
Teachers (FTE)
49.0
Federal CCD staff survey
Students per teacher
20.7:1
vs 21.5:1 California avg
-4% vs state
Free-lunch eligible
54.0%
vs 55.5% California avg
-3% vs state
How Jefferson Middle compares with California and U.S. medians
At or below state median
20.7:1 - 0.8 below the California state median of 21.5:1, indicating smaller average class loads than typical schools in the state.
Jefferson Middle is a higher-need, large middle school in San Gabriel, California, enrolling 1,013 students.
At 20.7:1, 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.
Its free-meal eligibility rate of 54.0% lands close to the California typical range, neither a high- nor low-need campus by this measure.
Enrollment of 1,013 puts it in the larger third of California schools by headcount.
Its Resource Investment Index outscores 91% of the 9,998 California schools with a score on record, a top-tier result on this measure.
Among 800 similarly sized, similarly resourced-need California schools statewide, it ranks #7, a top-tier result once campus size and economic need are matched.
Its student body is led by Asian (52%) and Hispanic or Latino (40%) (diversity index 57/100).
Counselor coverage runs a bit thin, about 253 students per counselor, somewhat past the ASCA-recommended 250:1 benchmark.
Attendance runs somewhat below the norm, with 18.3% of students chronically absent per the 2021-22 civil-rights collection.
San Gabriel Unified also operates Gabrielino High (1,438 students) and Mckinley Elementary (618 students) alongside Jefferson Middle.
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
Jefferson Middle on the metrics families compare, against California and U.S. means.
| Metric | This school | vs California | California avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 20.7:1 | ▼ 4% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 54.0% | ▼ 3% | 55.5% | 51.7% |
| Enrollment | 1,013 | top 11% | - | - |
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: Asian at 52.0% of enrollment.
Simpson diversity index - at 57.1, Jefferson Middle is more mixed than the California school average of 46.0.
District-wide per-pupil expenditure for San Gabriel Unified, which includes Jefferson Middle.
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 |
|---|---|---|---|
| Gabrielino High | Larger | Similar economic need | Similar S:T ratio |
| Mckinley Elementary | Smaller | Similar economic need | Higher S:T ratio |
| Washington Elementary | Smaller | Similar economic need | Higher S:T ratio |
| Wilson Elementary | Smaller | Lower economic need | Higher S:T ratio |
| Roosevelt Elementary | Smaller | Higher economic need | Higher S:T ratio |
Comparisons are relative to Jefferson Middle'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 Jefferson Middle'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.
Jefferson Middle has 1,013 students enrolled. It is a middle school in San Gabriel, CA.
The student-teacher ratio at Jefferson Middle is 20.7:1, which is 4% lower than the California average of 21.5:1 and 32% higher than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
54.0% of students at Jefferson Middle are eligible for free lunch, compared to the California average of 55.5%.
The largest demographic group at Jefferson Middle is Asian at 52.0% of enrollment, in San Gabriel, CA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 57.1/100.
Jefferson Middle has a Resource Investment Index of 48/100 (typical reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
By Resource Investment Index, Jefferson Middle ranks #1 of 12 public schools in San Gabriel, 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 San Gabriel on the city page.
Jefferson Middle earns 48/100 on the Resource Investment Index, with class sizes near the California median. 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 Jefferson Middle, San Gabriel Unified also operates Gabrielino High (1,438 students), Mckinley Elementary (618 students), and Washington Elementary (401 students). See the San Gabriel Unified 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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Last updated:
PlainSchools, “Jefferson Middle, San Gabriel 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/jefferson-middle-ca-2
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