Enrollment
533
California · 2024-25 NCES data
Elementary school (grades K-5) · San Francisco, CA
Federal NCES profile for Clarendon Alternative Elementary, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 30/100.
The verdict
Clarendon Alternative Elementary earns 30/100 on the Resource Investment Index, with class sizes larger than 93% of California schools. It is also more racially and ethnically mixed than most California schools.
Clarendon Alternative Elementary has class sizes larger than 93% of California schools. Computed live against every California school reporting to NCES.
By Resource Investment Index, Clarendon Alternative Elementary ranks #24 of 83 elementary schools in San Francisco, CA.
NCES ID 063441005666 Verify on NCES CCD record →
Enrollment
533
California · 2024-25 NCES data
Teachers (FTE)
19.0
Federal CCD staff survey
Students per teacher
28.1:1
vs 21.5:1 California avg
+31% vs state
Free-lunch eligible
16.1%
vs 55.5% California avg
-71% vs state
How Clarendon Alternative Elementary compares with California and U.S. medians
Larger classes than state median
28.1:1 - 6.6 above the California state median of 21.5:1, indicating larger average class loads than typical schools in the state.
Clarendon Alternative Elementary is a lower-poverty, mid-sized elementary school in San Francisco, California, enrolling 533 students.
Class loads run heavy: 28.1:1 is larger than about 93% of California schools and 31% above the 21.5:1 state mean, so each teacher carries more students than is typical.
Comparatively few students face economic hardship here, 16.1% free-meal eligibility runs 71% below the California average.
With 533 students, its enrollment sits close to the California median campus size.
Its Resource Investment Index sits near the middle of the pack among 9,998 scored California schools.
Against 1,193 statewide peers matched on enrollment and economic need, it ranks mid-pack at #842.
Its student body is led by Asian (32%) and Two or More (28%), more mixed than most schools in the state (diversity index 74/100).
15.8% 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): Clarendon Alternative Elementary is smaller than that campus by headcount and runs heavier classes (28.1:1 vs 23.2:1).
San Francisco Unified also operates Lowell High (2,571 students) and Lincoln (Abraham) High (2,074 students) alongside Clarendon Alternative 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
Clarendon Alternative 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 | 28.1:1 | ▲ 31% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 16.1% | ▼ 71% | 55.5% | 51.7% |
| Enrollment | 533 | top 41% | - | - |
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 32.1% of enrollment.
Simpson diversity index - at 74.2, Clarendon Alternative Elementary is more mixed than the California school average of 46.0.
District-wide per-pupil expenditure for San Francisco Unified, which includes Clarendon Alternative 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 | Higher 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 Clarendon Alternative 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 Clarendon Alternative 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.
Clarendon Alternative Elementary has 533 students enrolled. It is an elementary school in San Francisco, CA.
The student-teacher ratio at Clarendon Alternative Elementary is 28.1:1, which is 31% higher than the California average of 21.5:1 and 79% higher than the national average of 15.7:1.
16.1% of students at Clarendon Alternative Elementary are eligible for free lunch, compared to the California average of 55.5%.
The largest demographic group at Clarendon Alternative Elementary is Asian at 32.1% of enrollment, in San Francisco, CA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 74.2/100.
Clarendon Alternative Elementary has a Resource Investment Index of 30/100 (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, Clarendon Alternative Elementary ranks #24 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.
Clarendon Alternative Elementary earns 30/100 on the Resource Investment Index, with class sizes larger than 93% 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 Clarendon Alternative 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, “Clarendon Alternative 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/clarendon-alternative-elementary-ca
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