Enrollment
333
California · 2024-25 NCES data
Elementary school (grades K-5) · San Francisco, CA
Federal NCES profile for King (Thomas Starr) Elementary, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 28/100.
The verdict
King (Thomas Starr) Elementary earns 28/100 on the Resource Investment Index, with class sizes near the California median. It is also more racially and ethnically mixed than most California schools.
King (Thomas Starr) Elementary has class sizes near the California median. Computed live against every California school reporting to NCES.
By Resource Investment Index, King (Thomas Starr) Elementary ranks #30 of 83 elementary schools in San Francisco, CA.
NCES ID 063441005671 Verify on NCES CCD record →
Enrollment
333
California · 2024-25 NCES data
Teachers (FTE)
17.0
Federal CCD staff survey
Students per teacher
19.6:1
vs 21.5:1 California avg
-9% vs state
Free-lunch eligible
37.0%
vs 55.5% California avg
-33% vs state
How King (Thomas Starr) Elementary compares with California and U.S. medians
At or below state median
19.6:1 - 1.9 below the California state median of 21.5:1, indicating smaller average class loads than typical schools in the state.
King (Thomas Starr) Elementary is a mid-sized elementary school in San Francisco, California, enrolling 333 students.
Class sizes run a bit leaner than typical: 19.6:1 puts it in the smaller third of California schools by student-teacher ratio.
Economic need runs somewhat below the state's typical profile, with 37.0% of students eligible for free meals.
Enrollment of 333 puts it in the smaller third of California schools by headcount.
Its Resource Investment Index sits near the middle of the pack among 9,998 scored California schools.
Against 888 statewide peers matched on enrollment and economic need, it ranks mid-pack at #526.
Its student body is led by Asian (33%) and Two or More (28%), more mixed than most schools in the state (diversity index 77/100).
Chronic absenteeism is elevated: 27.6% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
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): King (Thomas Starr) Elementary is smaller than that campus by headcount and runs leaner classes (19.6:1 vs 23.2:1).
San Francisco Unified also operates Lowell High (2,571 students) and Lincoln (Abraham) High (2,074 students) alongside King (Thomas Starr) 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
King (Thomas Starr) 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 | 19.6:1 | ▼ 9% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 37.0% | ▼ 33% | 55.5% | 51.7% |
| Enrollment | 333 | top 70% | - | - |
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 33.3% of enrollment.
Simpson diversity index - at 76.5, King (Thomas Starr) Elementary is more mixed than the California school average of 46.0.
District-wide per-pupil expenditure for San Francisco Unified, which includes King (Thomas Starr) 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 | Higher S:T ratio |
| Lincoln (Abraham) High | Larger | Similar economic need | Higher S:T ratio |
| Washington (George) High | Larger | Similar economic need | Higher S:T ratio |
| Galileo High | Larger | Higher economic need | Similar S:T ratio |
| Balboa High | Larger | Higher economic need | Higher S:T ratio |
Comparisons are relative to King (Thomas Starr) 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 King (Thomas Starr) 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.
King (Thomas Starr) Elementary has 333 students enrolled. It is an elementary school in San Francisco, CA.
The student-teacher ratio at King (Thomas Starr) Elementary is 19.6:1, which is 9% lower than the California average of 21.5:1 and 25% higher than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
37.0% of students at King (Thomas Starr) Elementary are eligible for free lunch, compared to the California average of 55.5%.
The largest demographic group at King (Thomas Starr) Elementary is Asian at 33.3% of enrollment, in San Francisco, CA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 76.5/100.
King (Thomas Starr) Elementary has a Resource Investment Index of 28/100 (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, King (Thomas Starr) Elementary ranks #30 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.
King (Thomas Starr) Elementary earns 28/100 on the Resource Investment Index, with class sizes near the California median. 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 King (Thomas Starr) 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, “King (Thomas Starr) 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/king-thomas-starr-elementary-ca
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