Enrollment
384
California · 2024-25 NCES data
Elementary school (grades K-5) · South San Francisco, CA
Federal NCES profile for Spruce Elementary, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 15/100.
The verdict
Spruce Elementary earns 15/100 on the Resource Investment Index, with class sizes near the California median.
Spruce Elementary has class sizes near the California median. Computed live against every California school reporting to NCES.
By Resource Investment Index, Spruce Elementary ranks #6 of 6 elementary schools in South San Francisco, CA.
NCES ID 063753006354 Verify on NCES CCD record →
Enrollment
384
California · 2024-25 NCES data
Teachers (FTE)
18.0
Federal CCD staff survey
Students per teacher
21.3:1
vs 21.5:1 California avg
-1% vs state
Free-lunch eligible
58.8%
vs 55.5% California avg
+6% vs state
How Spruce Elementary compares with California and U.S. medians
At or below state median
21.3:1 - 0.2 below the California state median of 21.5:1, indicating smaller average class loads than typical schools in the state.
Spruce Elementary is a higher-need, mid-sized elementary school in South San Francisco, California, enrolling 384 students.
At 21.3:1, 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 58.8% lands close to the California typical range, neither a high- nor low-need campus by this measure.
With 384 students, its enrollment sits close to the California median campus size.
Its Resource Investment Index trails 91% of the 9,998 California schools with a score on record, one of the lower results on this measure.
Among 1,485 similarly sized, similarly resourced-need California schools statewide, it ranks #1,243, in the lower tier once campus size and economic need are matched.
Its student body is led by Hispanic or Latino (79%) and Asian (11%) (diversity index 36/100).
Chronic absenteeism is elevated: 47.4% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
Among South San Francisco's elementary schools, it stands alongside Buri Buri Elementary (584 students): Spruce Elementary is smaller than that campus by headcount and runs leaner classes (21.3:1 vs 23.4:1).
South San Francisco Unified also operates South San Francisco High (1,239 students) and El Camino High (1,053 students) alongside Spruce Elementary.
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
Spruce Elementary on the metrics families compare, against California and U.S. means.
| Metric | This school | vs California | California avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 21.3:1 | ▼ 1% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 58.8% | ▲ 6% | 55.5% | 51.7% |
| Enrollment | 384 | top 63% | - | - |
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 78.9% of enrollment.
Simpson diversity index - at 36.3, Spruce Elementary is less mixed than the California school average of 46.0.
District-wide per-pupil expenditure for South San Francisco Unified, which includes Spruce Elementary.
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 |
|---|---|---|---|
| South San Francisco High | Larger | Lower economic need | Lower S:T ratio |
| El Camino High | Larger | Lower economic need | Lower S:T ratio |
| Alta Loma Middle | Larger | Lower economic need | Lower S:T ratio |
| Buri Buri Elementary | Larger | Lower economic need | Higher S:T ratio |
| Parkway Heights Middle | Larger | Similar economic need | Lower S:T ratio |
Comparisons are relative to Spruce Elementary's own figures; each column derives from NCES Common Core of Data.
5 comparable elementary schools (grades K-5) serving the same city.
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 Spruce Elementary'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.
Spruce Elementary has 384 students enrolled. It is an elementary school in South San Francisco, CA.
The student-teacher ratio at Spruce Elementary is 21.3:1, which is 1% 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.
58.8% of students at Spruce Elementary are eligible for free lunch, compared to the California average of 55.5%.
The largest demographic group at Spruce Elementary is Hispanic or Latino at 78.9% of enrollment, in South San Francisco, CA.
Spruce Elementary has a Resource Investment Index of 15/100 (lower reported resources relative to schools nationally) based on 3 factors: student-teacher ratio, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
By Resource Investment Index, Spruce Elementary ranks #6 of 6 elementary schools in South San Francisco, CA. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all elementary schools in South San Francisco on the city page.
Spruce Elementary earns 15/100 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 Spruce Elementary, South San Francisco Unified also operates South San Francisco High (1,239 students), El Camino High (1,053 students), and Alta Loma Middle (652 students). See the South San Francisco 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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PlainSchools, “Spruce Elementary, South San Francisco 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/spruce-elementary-ca
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