Enrollment
552
California · 2024-25 NCES data
Elementary school (grades K-5) · San Francisco, CA
Federal NCES profile for Key (Francis Scott) Elementary, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 25/100.
The verdict
Key (Francis Scott) Elementary earns 25/100 on the Resource Investment Index, with class sizes larger than 91% of California schools. It is also more racially and ethnically mixed than most California schools.
Key (Francis Scott) Elementary has class sizes larger than 91% of California schools. Computed live against every California school reporting to NCES.
By Resource Investment Index, Key (Francis Scott) Elementary ranks #40 of 83 elementary schools in San Francisco, CA.
NCES ID 063441005609 Verify on NCES CCD record →
Enrollment
552
California · 2024-25 NCES data
Teachers (FTE)
20.0
Federal CCD staff survey
Students per teacher
27.6:1
vs 21.5:1 California avg
+28% vs state
Free-lunch eligible
23.8%
vs 55.5% California avg
-57% vs state
How Key (Francis Scott) Elementary compares with California and U.S. medians
Larger classes than state median
27.6:1 - 6.1 above the California state median of 21.5:1, indicating larger average class loads than typical schools in the state.
Key (Francis Scott) Elementary is a mid-sized elementary school in San Francisco, California, enrolling 552 students.
Class loads run heavy: 27.6:1 is larger than about 91% of California schools and 28% above the 21.5:1 state mean, so each teacher carries more students than is typical.
Comparatively few students face economic hardship here, 23.8% free-meal eligibility runs 57% below the California average.
With 552 students, its enrollment sits close to the California median campus size.
Its Resource Investment Index lands in the lower third of 9,998 scored California schools.
Among 1,354 similarly sized, similarly resourced-need California schools statewide, it ranks #1,069, in the lower tier once campus size and economic need are matched.
Its student body is led by Asian (41%) and White (32%), more mixed than most schools in the state (diversity index 69/100).
Counselor access is stretched at roughly 1903 students per counselor, well above the ASCA-recommended 250:1 ceiling.
11.4% of students were chronically absent in the 2021-22 collection, in line with the post-pandemic national range.
The surrounding San Francisco Unified spends $23,654 per pupil, 43% above the California average, a better-resourced district than most.
Among San Francisco's elementary schools, it stands alongside Lilienthal (Claire) Elementary (673 students): Key (Francis Scott) Elementary is smaller than that campus by headcount and runs heavier classes (27.6:1 vs 23.2:1).
San Francisco Unified also operates Lowell High (2,571 students) and Lincoln (Abraham) High (2,074 students) alongside Key (Francis Scott) 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
Key (Francis Scott) 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 | 27.6:1 | ▲ 28% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 23.8% | ▼ 57% | 55.5% | 51.7% |
| Enrollment | 552 | top 38% | - | - |
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 41.3% of enrollment.
Simpson diversity index - at 69.1, Key (Francis Scott) Elementary is more mixed than the California school average of 46.0.
District-wide per-pupil expenditure for San Francisco Unified, which includes Key (Francis Scott) 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 |
|---|---|---|---|
| Lowell High | Larger | Similar economic need | Lower S:T ratio |
| Lincoln (Abraham) High | Larger | Higher economic need | Lower S:T ratio |
| Washington (George) High | Larger | Higher economic need | Lower S:T ratio |
| Galileo High | Larger | Higher economic need | Lower S:T ratio |
| Balboa High | Larger | Higher economic need | Lower S:T ratio |
Comparisons are relative to Key (Francis Scott) Elementary's own figures; each column derives from NCES Common Core of Data.
6 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 Key (Francis Scott) 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.
Key (Francis Scott) Elementary has 552 students enrolled. It is an elementary school in San Francisco, CA.
The student-teacher ratio at Key (Francis Scott) Elementary is 27.6:1, which is 28% higher than the California average of 21.5:1 and 76% higher than the national average of 15.7:1.
23.8% of students at Key (Francis Scott) Elementary are eligible for free lunch, compared to the California average of 55.5%.
The largest demographic group at Key (Francis Scott) Elementary is Asian at 41.3% of enrollment, in San Francisco, CA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 69.1/100.
Key (Francis Scott) Elementary has a Resource Investment Index of 25/100 (lower 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, Key (Francis Scott) Elementary ranks #40 of 83 elementary schools in 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 San Francisco on the city page.
Key (Francis Scott) Elementary earns 25/100 on the Resource Investment Index, with class sizes larger than 91% of California schools. It is also more racially and ethnically mixed than most California schools. 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 Key (Francis Scott) Elementary, San Francisco Unified also operates Lowell High (2,571 students), Lincoln (Abraham) High (2,074 students), and Washington (George) High (2,068 students). See the 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, “Key (Francis Scott) Elementary, 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/key-francis-scott-elementary-ca
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